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1
00:00:20,670 --> 00:00:24,570
ุฃู†ุง ุฑุงุญ ู†ูƒู…ู„ ู…ุงุจุชุฏุฃู†ุงู‡ ููŠ ุงู„ู…ุฑุฉ ุงู„ู…ุงุถูŠุฉ ูˆ ุงู„ู…ุฑุฉ

2
00:00:24,570 --> 00:00:28,590
ุงู„ู…ุงุถูŠุฉ ุฃุฎุฑ ุญุงุฌุฉ ูƒู†ุง ู†ุชุญุฏุซ ููŠู‡ุง ูˆู‡ูŠ sandwich

3
00:00:28,590 --> 00:00:33,430
theorem ุฃุนุทุงู†ุง ู‡ุฐู‡ ุงู„ู†ุธุฑูŠุฉ ูˆ ุฃุนุทุงู†ุง ุนู„ูŠู‡ุง ู…ุซุงู„ูŠู†

4
00:00:33,830 --> 00:00:38,210
ูˆุงู„ุงู† ู‡ุฐู‡ ุงู„ู€ remark ู…ุชุนู„ู‚ุฉ ุชู…ุงู…ุง ุจู…ุง ูŠุณู…ู‰ ุจู€

5
00:00:38,210 --> 00:00:42,670
Sandoz theorem ุงู„ remark ุจุชู‚ูˆู„ ู…ุง ูŠุฃุชูŠ for any

6
00:00:42,670 --> 00:00:47,410
function f of x ุฅุฐุง ูƒุงู† limit ู„ู„ absolute value ู„ู„

7
00:00:47,410 --> 00:00:51,270
f of x ู„ู…ุง ุงู„ x ุฏู‡ ุชุฑูˆุญ ุฅู„ู‰ c ุจุฏู‡ ูŠุณุงูˆูŠ 0 then

8
00:00:51,270 --> 00:00:55,330
limit ู„ู„ function ุจุฏูˆู† absolute value ูƒู…ุงู† ุจุฏู‡ุง

9
00:00:55,330 --> 00:01:02,360
ุชุณุงูˆูŠู‡ุง ุฏู‡ ุณุงูˆูŠ 0 ุทูŠุจ ู†ุฑูˆุญ ู†ุซุจุช ุตุญุฉ ู‡ุฐู‡ ุงู„ู†ุธุฑูŠุฉุจุนุฏ

10
00:01:02,360 --> 00:01:07,620
ุฐู„ูƒ ุงู‚ูˆู„ ู„ูƒ ู…ูŠุชูŠ ู„ูˆ ุฃุฎุฏุช ุงู„ุฏุงู„ุฉ f of x ูˆุฏุงู„ุฉ

11
00:01:07,620 --> 00:01:13,620
absolute value ู„ู„ f of x ุจุฏูŠ ุงู‚ุงุฑู† ู…ุง ุจูŠู† ุงู„ุชู†ุชูŠู†

12
00:01:13,620 --> 00:01:19,980
ุงู†ุง ุจู‚ูˆู„ ู‡ุฐู‡ ุงู‚ู„ ู…ู† ุงูˆ ุชุณุงูˆูŠ ู‡ุฐู‡ ุงู†ุง ุงุฏุนู‰ ูŠุง ู†ุงุณ

13
00:01:19,980 --> 00:01:23,720
ู‡ู„ ุงู„ุงุฏุนุงุก ู‡ุฐุง ุตุญูŠุญ ูˆู„ุง ุบูŠุฑ ุตุญูŠุญ ุชุนู†ูŠ ุงุชูู‡ู… ุนู„ู‰

14
00:01:23,720 --> 00:01:29,180
ุงู„ู…ูˆุถูˆุนุงู„ุฃู‡ู… ู…ู…ูƒู† ุชูƒูˆู† ุงู„ F of X ุชุงุฎุฏ ู‚ูŠู… ู…ูˆุฌุจุฉ

15
00:01:29,180 --> 00:01:33,580
ุฏุงุฆู…ุง ูˆ ุฃุจุฏุง ูŠุจู‚ู‰ ุฅุฐุง ูƒุงู†ุช F of X ุจุงู„ู…ูˆุฌุจุฉ ุงู„

16
00:01:33,580 --> 00:01:39,340
absolute value ู„ู‡ุง ูŠุจู‚ู‰ ุดูˆ ุจูŠุญุตู„ ุชุณุงูˆูŠ ุชู…ุงู… ู„ูƒู† ู„ูˆ

17
00:01:39,340 --> 00:01:43,040
ูƒุงู†ุช F of X ุจุงู„ุณุงู„ูŠ ุจุงู„ absolute value ู„ู‡ุง ุจูŠุตูŠุฑ

18
00:01:43,040 --> 00:01:47,820
ู…ูˆุฌุจ ูŠุจู‚ู‰ ุจูŠุตูŠุฑ ู‡ุฐู‡ ุฃู‚ู„ ู…ู† ู‡ุฐู‡ ูˆู„ุง ู„ุง ุฅุฐุง ู‡ุฐู‡

19
00:01:47,820 --> 00:01:52,200
ุฏุงุฆู…ุง ูˆ ุฃุจุฏุง ุฃู‚ู„ ู…ู† 100 ู…ู† ุงู„ absolute value ู„ X

20
00:01:52,200 --> 00:01:59,470
ุฏุงุฆู…ุง ูˆ ุฃุจุฏุงุงู„ุณุคุงู„ ู‡ูˆ ุงูˆ ุชุณุงูˆูŠู‡ุง ู‡ู„ ู‡ูŠ ุงูƒุจุฑ ู…ู† ุงูˆ

21
00:01:59,470 --> 00:02:05,490
ุชุณุงูˆูŠ ุณุงู„ู… absolute value ู„ู„ F of X ุงู… ู„ุง ุชุนุงู„ู‰

22
00:02:05,490 --> 00:02:10,790
ู†ุดูˆู ุจุฏู†ุง ู†ุงุฎุฏู‡ุง ู„ูˆ ูƒุงู†ุช ู…ูˆุฌุจุฉ ู„ูˆ ูƒุงู†ุช ุณุงู„ู…ุฉ ู„ูˆ

23
00:02:10,790 --> 00:02:15,510
ูƒุงู†ุช F of X ุจุงู„ู…ูˆุฌุจ ูŠุจู‚ู‰ absolute value ู„ู‡ุง

24
00:02:15,510 --> 00:02:21,270
ุจุงู„ู…ูˆุฌุจ ูŠุจู‚ู‰ ุงู„ุณุงู„ู… ู„ู‡ุง ุงู‚ู„ ูŠุจู‚ู‰ ู‡ุฐู‡ ุงู‚ู„ ุจุงู„ูุนู„

25
00:02:21,270 --> 00:02:26,730
ู‡ุฐู‡ ู„ูˆ ูƒุงู†ุช ู…ูˆุฌุจุฉู„ูˆ ูƒุงู†ุช f of x ุจุงู„ุณุงู„ุจ absolute

26
00:02:26,730 --> 00:02:30,930
value ุงู„ู„ูŠ ู‡ูŠ ุจูŠุตูŠุฑ ู…ูˆุฌุฉ ู…ุณุจูˆู‚ุฉ ุจุฅุดุงุฑุฉ ุณุงู„ุจ ุจูŠุตูŠุฑ

27
00:02:30,930 --> 00:02:35,430
ุณุงู„ุจ ูˆ ู‡ุฐู‡ ุงู„ุณุงู„ุจ ูŠุจู‚ู‰ ุงุชู†ูŠู† are equal ูŠุจู‚ู‰ ุงู„

28
00:02:35,430 --> 00:02:38,830
inequality ู‡ุฐู‡ ุตุญูŠุญุฉ ุฏุงุฆู…ุง ูˆ ุฃุจุฏุง

29
00:02:43,360 --> 00:02:50,140
ุฃู‚ู„ ู…ู† ุฃูˆ ูŠุณุงูˆูŠ absolute value ู„ู„ F of X for all X

30
00:02:50,140 --> 00:02:55,220
ุจู†ุงุณุชูŠ ุงุชู†ุงุก ู…ูˆุถูˆุนู†ุง ู…ูˆุถูˆุน ู…ู† ุฅูŠุฌุงุฏ ุงู„ limit

31
00:02:59,180 --> 00:03:04,560
ูŠุจู‚ู‰ ุจู†ุงุก ุนู„ูŠู‡ limit ู„ู…ุง ุงู„ X ุจุฏู‡ุง ุชุฑูˆุญ ู„ C ู„-

32
00:03:04,560 --> 00:03:09,760
absolute value ู„ F of X ุฃู‚ู„ ู…ู† ุฃูˆ ูŠุณูˆู‰ limit ู„ู…ุง

33
00:03:09,760 --> 00:03:15,380
ุงู„ X ุจุฏู‡ุง ุชุฑูˆุญ ู„ C ู„ F of X ุฃู‚ู„ ู…ู† ุฃูˆ ูŠุณูˆู‰ limit

34
00:03:15,380 --> 00:03:20,380
ู„ู…ุง ุงู„ X tends to C ู„ู„ absolute value ู„ F of X

35
00:03:22,130 --> 00:03:27,930
ุชู…ุงู…ุŸ ุทูŠุจุŒ ุงู„ุงู† ููŠ ุนู†ุฏูŠ ู…ุนุทูŠุงุช ุญุชู‰ ุงู„ุงู† ู„ู… ุงุณุชุฎุฏู…

36
00:03:27,930 --> 00:03:32,370
ู‡ุฐู‡ ุงู„ู…ุนุทูŠุงุชุŒ ุทู„ุนู„ูŠ ููŠ ุงู„ู…ุนุทูŠุงุช ุชุงู†ูŠุŒ ุงูŠุด ุจุชู‚ูˆู„

37
00:03:32,370 --> 00:03:36,450
ู„ูŠู‡ุŸ ุจุชู‚ูˆู„ ู„ูŠ ุงู„ limit ู„ู„ absolute value ู„ู„ุฏุงู„ุฉ

38
00:03:36,450 --> 00:03:40,010
ุจุฏู‡ ูŠุณุงูˆูŠ Zero ุฅุฐุง ุงู„ limit ู„ู‡ุฐู‡ ุงู„ุฏุงู„ุฉ ุจุฏู‡ ูŠุณุงูˆูŠ

39
00:03:40,010 --> 00:03:44,730
Zero ู…ุถุฑูˆุจ ูู‚ุฏุงุดุŸ ุณุงู„ุจ Zero ูˆุงู„ู„ู‡ ู…ูˆุฌู‡ ุจ Zero ู…ู‡ูˆ

40
00:03:44,730 --> 00:03:50,030
ุจู‚ุงุดุŸ ุจ Zeroุฃู‚ู„ ู…ู† ุฃูˆ ูŠุณุงูˆูŠ ุงู„ limit ู„ู…ุง ุงู„ X ุจุฏูŠ

41
00:03:50,030 --> 00:03:57,210
ุฑูˆุญ ู„ C ู„ู„ F of X ุฃู‚ู„ ู…ู† ุฃูˆ ูŠุณุงูˆูŠ ู‡ุฐู‡ ู…ุนุทุงุจ ู…ู† B0

42
00:03:57,210 --> 00:04:02,050
ุตุงุฑ limit ุงู„ุทุฑู ุงู„ุดู…ุงู„ ูŠุณุงูˆูŠ limit ุงู„ุทุฑู ุงู„ูŠู…ู†ู‰

43
00:04:02,050 --> 00:04:05,090
ูŠุจู‚ู‰ ุงู„ limit ู„ู„ุฏู„ุฉ ุงู„ู„ู‰ ูู‰ ุงู„ู†ุตู ุจุฏูŠ ูŠุณุงูˆูŠ ู†ูุณ

44
00:04:05,090 --> 00:04:11,010
ุงู„ู‚ูŠู…ุฉ by sandwich theorem ุจุฑูˆุญ ุจู‚ูˆู„ู‡ by sandwich

45
00:04:11,010 --> 00:04:15,670
theorem we have

46
00:04:18,360 --> 00:04:24,220
Limit ู„ู„ู€ F of X ู„ู…ุง ุงู„ู€ X ุจุฏู‡ ูŠุฑูˆุญ ุฅู„ู‰ C ูŠุณุงูˆูŠ

47
00:04:24,220 --> 00:04:31,780
Zero ูˆู‡ูˆ ุงู„ู…ุทู„ูˆุจ ุจุฏู†ุง ู†ุนุทูŠ ู…ุซุงู„ ุนู„ู‰ ุฐู„ูƒ Example

48
00:04:31,780 --> 00:04:40,980
Find Limit ู„ู…ุง ุงู„ู€ X ุจุฏู‡ุง ุชุฑูˆุญ ู„ู€ Zero ู„ู„ู€ X ููŠ

49
00:04:40,980 --> 00:04:49,590
ุงู„ู€Sin 1 ุนู„ู‰ Xุทุจุนุง ุงุญู†ุง ุณุงุจู‚ุง ุงุฎุฏู†ุง limit ู„ู„ X

50
00:04:49,590 --> 00:04:55,030
ุชุฑุจูŠุฉ ุงู„ sign ูˆุงุญุฏ ุนู„ู‰ X ู…ุธุจูˆุท ู…ุฑุฉ ุงู„ู„ูŠ ูุงุชุช ุนู„ู‰

51
00:04:55,030 --> 00:04:59,130
sandwich theorem ุงุฎุฏู†ุง limit X ุชุฑุจูŠุฉ ุซู…ูŠู† ููŠ sign

52
00:04:59,130 --> 00:05:03,830
ูˆุงุญุฏ ุนู„ู‰ X ู‡ุฐู‡ X ูˆู„ูŠุณุช X ุชุฑุจูŠุฉ ุทุจุนุง ูˆ ู‡ู†ุงูƒ ูุฑู‚

53
00:05:03,830 --> 00:05:08,350
ุดุงุณู…ุฉ ุจูŠู† ุงู„ุงุชู†ูŠู† ู„ู…ุง ูƒุงู†ุช X ุชุฑุจูŠุฉ ูุงู„ X ุงู† ูƒุงู†ุช

54
00:05:08,350 --> 00:05:11,410
ุณุงู„ุจุฉ ูˆ ุงู„ู„ู‡ ู…ูˆุฌุจ ูˆ ุฑุถู‘ุนู‡ุง ุจุตูŠุฑ ู…ูˆุฌุจ ูˆุจุงู„ุชุงู„ูŠ ุชุจู‚ู‰

55
00:05:11,410 --> 00:05:15,900
ุงู„ inequality ูƒู…ุง ู‡ูŠู„ูƒู† ู„ู…ุง ุชุจู‚ู‰ X ุงุญุชู…ุงู„ X ุชูƒูˆู†

56
00:05:15,900 --> 00:05:21,220
ู…ูˆุฌุจ ุงุญุชู…ุงู„ ุชูƒูˆู† ุณุงู„ุจ ู„ูŠุด ู„ุฅู† X ุจุฏู‡ุง ุชุฑูˆุญ ู„ู„ zero

57
00:05:21,220 --> 00:05:24,820
ูŠุจู‚ู‰ ุฅุฐุง ุฑุงุญุช ู„ zero ู…ู† ุฌู‡ุฉ ุงู„ูŠู…ูŠู† ุชุจู‚ู‰ ุงู„ X

58
00:05:24,820 --> 00:05:28,560
ุจุงู„ู…ูˆุฌุจ ูˆุฅุฐุง ุฑุงุญุช ู„ zero ู…ู† ุฌู‡ุฉ ุงู„ุดู…ุงู„ ุชุจู‚ู‰ ุงู„ X

59
00:05:28,560 --> 00:05:32,460
ุงู„ุฒุงุฆุจ ุงู„ุณุงู„ุจ ูŠุจู‚ู‰ ุงู„ุงุญุชู…ุงู„ ุงู†ู‡ ูˆุฑุฏุงุช ู„ูƒู† ู„ู…ุง ูƒุงู†ุช

60
00:05:32,460 --> 00:05:42,010
X ุชุฑุจูŠุฉ ุตุงุฑ ุงู„ุงุญุชู…ุงู„ ูˆุงุญุฏ ูู‚ุทุณู†ุญู„ ู‡ุฐู‡ ุงู„ู…ุณุฃู„ุฉ

61
00:05:44,990 --> 00:05:49,030
ุฃู†ุง ุงู„ู…ุซุงู„ ู‡ุฐุง ุจุฏูŠ ุงูŠู‡ ุนู„ู‰ ู…ูŠู†ุŸ ุนู„ู‰ ุงู„ remark ูŠุนู†ูŠ

62
00:05:49,030 --> 00:05:54,170
ุจุฏูŠ ูŠูƒูˆู† ููŠู‡ ุนู†ุฏ ู…ูŠู† absolute value ู„ู…ูŠู† ู„ู ุฏูˆู„ุงุฑ

63
00:05:54,170 --> 00:05:58,770
ุจุงุฌูŠ ุจุณ ู„ู„ุณุคุงู„ ุงู„ุชุงู„ูŠ ุงู†ุง ู„ูˆ ุจุฏูŠ ุงุจุฏุง ุฒูŠ ุงู„ู…ุฑุฉ

64
00:05:58,770 --> 00:06:03,370
ุงู„ู„ูŠ ูุงุชุชูŠ ุจู‚ู‰ ุจุฏูŠ ุงู‚ูˆู„ sign ูˆุงุญุฏ ุนู„ู‰ X ุฃูƒุจุฑ ู…ู† ุฃูˆ

65
00:06:03,370 --> 00:06:08,130
ูŠุณูˆู‰ ุณุงู„ุจ ูˆุงุญุฏ ูˆู…ูˆุฌุจ ูˆุงุญุฏ ู„ูƒู† ู„ูˆ ู‚ู„ุช absolute

66
00:06:08,130 --> 00:06:13,090
value ู„ sign ูˆุงุญุฏ ุนู„ู‰ X ุจุตูŠุฑ ู…ู† ู‡ูˆ ุงู„ู„ูŠ ูˆูŠู†ุŸู…ู†

67
00:06:13,090 --> 00:06:19,690
zero ู„ุบุงูŠุฉ ูˆุงุญุฏ ู„ุฃู† ู‡ุฐุง absolute value ู„ุง ูŠู…ูƒู† ุฃู†

68
00:06:19,690 --> 00:06:24,590
ูŠุทู„ุน ู„ูŠ ู‚ูŠู…ุฉ ุณุงู„ุจุฉ ูŠุจู‚ู‰ ู…ู† zero ู„ุบุงูŠุฉ ูˆุงุญุฏ ู…ู…ุชุงุฒุฉ

69
00:06:24,590 --> 00:06:29,860
ุงู„ุญูŠู† ู„ูˆ ูƒู†ุช ุฃุถุฑุจ ููŠ X ู‡ุฐู‡ุจุตูŠุฑ ู„ูˆ ูƒุงู†ุช ู…ูˆุฌุจุฉ ุงู„

70
00:06:29,860 --> 00:06:33,800
inequality ุจุชุจู‚ู‰ ูƒู…ุง ู‡ูŠ ู„ูˆ ูƒุงู†ุช ุณุงู„ุจุฉ ุชู†ู‚ู„ุจ ุงู„

71
00:06:33,800 --> 00:06:37,880
inequality ูˆุจุงู„ุชุงู„ูŠ ูˆุฑุฏู†ุง ู…ุธุจูˆุท ู…ุดุงู† ู†ุชุฎู„ุต ู…ู† ู‡ุฐู‡

72
00:06:37,880 --> 00:06:41,660
ุงู„ู…ุดูƒู„ุฉ ุฏูŠ ุจุฑุงุญ ุจุฏุฑู… ููŠ ู…ูŠู† ููŠ absolute value ุงูƒุณ

73
00:06:41,660 --> 00:06:45,340
absolute value ุงูƒุณ ุฏุงุฆู…ุง ูˆ ุฃุจุฏุง ุชุฒูŠุฏ ุชููˆู‰ ุจุงู„ุชุงู„ูŠ

74
00:06:45,340 --> 00:06:50,490
ู…ุงุนู†ุฏูŠ ู…ุดูƒู„ุฉุชุจู‚ู‰ ุงู„ู€ Inquality ูƒู…ุง ู‡ูŠุŒ ุทุจุนุงุŒ ูŠุจู‚ู‰

75
00:06:50,490 --> 00:06:54,830
ู„ูˆ ุฑูˆุญุช ุถุฑุจุช ููŠ absolute value ู„ X ุจุณ ูŠุจู‚ู‰ ุงู„ mean

76
00:06:54,830 --> 00:07:00,490
is zero ุฃู‚ู„ ู…ู† ุฃูˆ ูŠุณูˆู‰ absolute value ู„ X ููŠ ุงู„

77
00:07:00,490 --> 00:07:05,690
sign ูˆุงุญุฏ ุนู„ู‰ X ูƒ absolute value ุฃู‚ู„ ู…ู† ุฃูˆ ูŠุณูˆู‰

78
00:07:05,690 --> 00:07:11,630
absolute value ู„ Xุฃูˆ ุจู…ุนู†ู‰ ุขุฎุฑ ู‡ุฐู‡ ุจู‚ุฏุฑ ุฃู‚ูˆู„

79
00:07:11,630 --> 00:07:16,990
ูƒุงู„ุชุงู„ูŠ ู‡ุฐู‡ ุนู†ุฏูƒ zero ุฃู‚ู„ ู…ู† ุฃูˆ ูŠุณูˆู‰ absolute

80
00:07:16,990 --> 00:07:22,990
value ู„ X ููŠ sin 1 ุนู„ู‰ X ุฃู‚ู„ ู…ู† ุฃูˆ ูŠุณูˆู‰ absolute

81
00:07:22,990 --> 00:07:29,270
value ู„ Xุฃุจุณู„ูˆุช ููŠ ุฃุจุณู„ูˆุช ููŠ ุฃุจุณู„ูˆุช ูˆุงุญุฏุฉ ู„ู…ุงุฐุงุŸ

82
00:07:29,270 --> 00:07:32,270
ู„ุฃู†ู‡ ู…ู† ุฎูˆุงุต ุงู„ absolute value ุฃุฎุฏู†ุง absolute

83
00:07:32,270 --> 00:07:36,170
value ู„ a ุจูŠ ุซู… absolute value ู„ a ููŠ absolute

84
00:07:36,170 --> 00:07:42,810
value ู„ b ู‡ุฐู‡ ุฅุญุฏู‰ ุฎูˆุงุต ุงู„ absolute value ุชู…ุงู…ุŸ

85
00:07:42,810 --> 00:07:47,430
ุทูŠุจุŒ ุงุณุชู†ู‰ ุดูˆูŠุฉุŒ ุจู†ุฑูˆุญ ู†ุงุฎุฏ limit ู„ู‡ุฐู‡ ุงู„

86
00:07:47,430 --> 00:07:52,190
inequality ูŠุจู‚ู‰ ุจู†ุงุก ุนู„ูŠู‡ุŒ ุจูŠุตูŠุฑ ุนู†ุฏู†ุง ุงู„ limit

87
00:07:53,190 --> 00:07:59,970
ู„ุฒูŠุฑูˆ ู„ู…ุง ุงู„ X ุจุฏู‡ุง ุชุฑูˆุญ ู„ูˆูŠู† ู„ุฒูŠุฑูˆ ุฃู‚ู„ ู…ู† ุฃูˆ ูŠุณูˆูŠ

88
00:07:59,970 --> 00:08:04,790
ุงู„ limit ู„ู…ุง ุงู„ X ุจุฏู‡ุง ุชุฑูˆุญ ู„ุฒูŠุฑูˆ ู„ู…ูŠู† ู„ู„ absolute

89
00:08:04,790 --> 00:08:10,370
value ู„ X ููŠ sine ูˆุงุญุฏ ุนู„ู‰ X ุฃู‚ู„ ู…ู† ุฃูˆ ูŠุณูˆูŠ ุงู„

90
00:08:10,370 --> 00:08:14,750
limit ู„ู…ุง ุงู„ X ุจุฏู‡ุง ุชุฑูˆุญ ู„ุฒูŠุฑูˆ ู„ absolute value ู„

91
00:08:14,750 --> 00:08:20,330
Xุงู„ุงู† ู†ู‡ุงูŠุฉ ุงู„ู…ู‚ุฏุงุฑ ุงู„ุซุงุจุช ุจุงู„ู…ู‚ุฏุงุฑ ุงู„ุซุงุจุช itself

92
00:08:20,330 --> 00:08:26,570
ุฃู‚ู„ ู…ู† ุฃูˆ ูŠุณุงูˆูŠ ุงู„ limit ู„ู…ุง ุงู„ X ุจุฏู‡ ูŠุฑูˆุญ ู„ 0 ู„ู„

93
00:08:26,570 --> 00:08:32,890
absolute value ู„ู„ X ููŠ sin 1 ุนู„ู‰ X ุฃู‚ู„ ู…ู† ุฃูˆ ูŠุณุงูˆูŠ

94
00:08:32,890 --> 00:08:38,290
ุฌุฏุงุด ุงู„ limit ู„ู‡ุฐู‡ ุงู„ุฏุงู„ุฉุŸ Zero ุงู„ู„ูŠ ู…ุงูŠุนุฑูุด ูŠุชุฐูƒุฑ

95
00:08:38,290 --> 00:08:42,610
ู„ุฑุณู…ุฉ ุงู„ absolute valueุชุญุฑูƒุช ู„ู‡ุง ู…ู† ุฌู‡ุฉ ุงู„ูŠู…ูŠู†

96
00:08:42,610 --> 00:08:45,810
ุจู„ุงุฌูŠู‡ุง ู†ุฒู„ ู„ุฒูŠุฑูˆ ุชุญุฑูƒุช ู„ู‡ุง ู…ู† ุฌู‡ุฉ ุงู„ุดู…ุงู„ ุจู„ุงุฌูŠู‡ุง

97
00:08:45,810 --> 00:08:50,910
ู†ุฒู„ ู„ูˆูŠู† ู„ุฒูŠุฑูˆ ุงุฐุง ู‡ุฐู‡ ุงู„ limit ุจุชุณุงูˆูŠ ู…ูŠู† ุจุงู„ุฒูŠุฑูˆ

98
00:08:50,910 --> 00:08:55,010
ุงุฐุง ุจุงู„ุณุงู†ุฏูˆุด ุซูŠุฑู… ุชุจุน ุงู„ู…ุฑุฉ ุงู„ู…ุงุถูŠุฉ limit ู„ู‡ุฐู‡

99
00:08:55,010 --> 00:09:01,750
ุงู„ุฏุงู„ุฉ ุจู‚ุฏุงุด ุจุฒูŠุฑูˆ ูŠุจู‚ู‰ ุจุฑูˆุญ ุจู‚ูˆู„ู‡ buy sandwich

100
00:09:01,750 --> 00:09:03,490
theorem

101
00:09:05,990 --> 00:09:10,790
ุงู„ู€ Limit ู„ู…ุง ุงู„ู€ X ุจุฏู‡ุง ุชุฑูˆุญ ู„ู„ู€ Zero ู„ู€ Absolute

102
00:09:10,790 --> 00:09:16,670
Value ู„ู€ X ููŠ ุงู„ุตูŠู† ูˆุงุญุฏ ุนู„ู‰ X ูŠุณุงูˆูŠ Zero ุญุชู‰ ุงู„ุขู†

103
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ุญุชู‰ ุงู„ุขู† ู…ุงูˆุตู„ู†ุงุด ู„ู„ู…ุทู„ูˆุจ ุงู„ู…ุทู„ูˆุจ ุจุฏูŠู‡ ุจุฏูˆู†

104
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Absolute Value ุจุงุฌูŠ ุจุฑุฌุน ู„ู„ remark ุงู„ remark ุจุชู‚ูˆู„

105
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ุฅุฐุง ุงู„ Limit ู„ู„ Absolute Value ุจุฏู‡ ูŠุณุงูˆูŠ Zero ุฅุฐุง

106
00:09:28,970 --> 00:09:32,730
ุงู„ Limit ู„ู„ function itself ุจุฏู‡ ูŠุนุทูŠู†ุง Zero ุจุฑูˆุญ

107
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ุจู‚ูˆู„ู‡ By The

108
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above remark ุงู„

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limit ู„ู…ุง ุงู„ x ุจุฏู‡ ุชุฑูˆุญ ู„ู„ zero ุงู„ู„ูŠ ุงู„ x ููŠ ุงู„

110
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sign ูˆุงุญุฏ ุนู„ู‰ x ุจุฏู‡ ูŠุณุงูˆูŠ ู…ุงูŠู† ุจุฏู‡ ูŠุณุงูˆูŠ zero

111
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ุญู„ู‚ู„ู‡ ูŠุชุณุงูˆู„ ู‡ู†ุงุทูŠุจุŒ ุฏูŠุฑ ุจุงู„ูƒุŒ ู‡ุฐุง ุงู„ุณุคุงู„ ู‡ู‡ู„ู‡ู„ูƒ

112
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ุจุทุฑูŠู‚ุฉ ุฃุฎุฑู‰ ุจุฑุถู‡ ุงู„ูŠูˆู…ุŒ ุชู…ุงู…ุŸ ุจุณ ููŠ ุงู„ section

113
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ุงู„ู‚ุงุฏู… ุจุนุฏ ู‚ู„ูŠู„ ูŠุจู‚ู‰ ู‡ุฐุง section ุงุชู†ูŠู† ุงุชู†ูŠู† ุงู„ูŠูƒ

114
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exercises ุงุชู†ูŠู† ุงุชู†ูŠู† ุงู„ู…ุณุงุฆู„ ุงู„ุชุงู„ูŠุฉุŒ ู…ู† ูˆุงุญุฏ

115
00:10:17,120 --> 00:10:23,930
ู„ุฎู…ุณุฉ ูˆุณุชูŠู†ุงู„ู€ Odd numbers ูˆูƒุฐู„ูƒ ู…ู† ุฎู…ุณุฉ ูˆ ุณุจุนูŠู†

116
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ู„ุชู…ุงู†ูŠู† ูˆู…ู† ุฎู…ุณุฉ ูˆ ุณุจุนูŠู† ู„ุบุงูŠุฉ ุชู…ุงู†ูŠู† ุญุงู„ูŠ

117
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ุจุฏูŠ ุฃุณุฃู„ุŸ

118
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ู‚ู„ู†ุง ุจุฃู† ุนุฏูˆูƒ ู„ูƒ ูƒู…ุงู† ู…ุฑุฉ ุงู„ X ู‡ุฐุง ุงู„ู„ูŠ ุจุชุถุฑุจ ููŠู‡ุง

119
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ุนุงุฑูู‡ุง ู…ูˆุฌุจ ูˆู„ุง ุณุงู„ุจุฉุŸ ู„ูˆ ู…ูˆุฌุจุฉ ู…ุงุนู†ุฏูŠุด ู…ุดูƒู„ุฉุŒ ุจุณ

120
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ู„ู…ุง ุชูƒูˆู† ุณุงู„ุจุฉ ู„ุฃู† X ุจุชุฑูˆุญ ู„ุฒูŠุฑูˆุŒ ู…ุง ู‡ูŠ ุจุชุฑูˆุญ

121
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ู„ุฒูŠุฑูˆุŒ ุงุญุชู…ุงู„ุง ุชูƒูˆู† ู…ูˆุฌุจุฉุŒ ุงุญุชู…ุงู„ุง ุชูƒูˆู† ุณุงู„ุจุฉุŒ ู„ูˆ

122
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ุงู†ุถุฑุจุช ุงู„ููŠ X ุงู„ุณุงู„ูŠ ุจูŠุจู‚ู‰ ุชู†ู‚ู„ุจ ุงู„ inequality ู‡ุฐู‡

123
00:11:05,080 --> 00:11:09,320
ูˆ ุจุฏู„ ู…ุง ูƒุงู† ุชู‚ู„ ู…ู†ู‡ ุงูŠุด ุจูŠุตูŠุฑ ุงูƒุจุฑ ู…ู†ู‡ ูˆุจุงู„ุชุงู„ูŠ

124
00:11:09,320 --> 00:11:11,720
ุงู†ู‚ู„ุจุช ุงู„ inequality ู„ู†ุง ุงู„ inequality ุงู„ุฌุฏูŠุฏุฉ

125
00:11:11,720 --> 00:11:15,020
ู…ุดุงู† ู…ุงุฌู„ุจุด ุงู„ inequality ุจุฑูˆุญ ุจุถุฑุจ ุงู…ุงู… ููŠ

126
00:11:15,020 --> 00:11:19,220
absolute ุงุชู†ูŠู† ุงู†ุง ุนู†ุฏูŠ absolute ู„ูˆ ุถุฑุจุช ุงู„ X

127
00:11:19,220 --> 00:11:21,680
ุงู„ุชุงู†ูŠุฉ ู…ู‚ุฏุฑุด ุงุฏุฎู„ู‡ุง ุฏุงุฎู„ absolute

128
00:11:25,700 --> 00:11:30,900
ู…ุงูุนู„ุด ุงุดูŠ ู…ุงูุนู„ุด ูƒู„ ุญุงุฌุฉ ุจูŠูƒูˆู† ุจู†ู‚ูˆู„ูƒ ู„ูˆ ูƒุงู†ุช

129
00:11:30,900 --> 00:11:34,340
ุณุงู„ุจ ุงูŠ ูุฑุถ ู…ุงูƒุชุจุชุด ู„ุฃ ุจุณู„ูˆุฉ value ุงูˆ ู‚ู„ุช sin ูˆุงุญุฏ

130
00:11:34,340 --> 00:11:38,040
ุงู„ X ุจู‚ุฏุฑ ุงู‚ูˆู„ ุจูŠู† zero ูˆ ูˆุงุญุฏ ุณุงู„ุจ ูˆุงุญุฏ ุงู„ ูˆุงุญุฏ

131
00:11:38,040 --> 00:11:42,200
ุนู„ู‰ ุทูˆู„ ุงู„ุฎุท ุจุฏูƒ ุชุฏุฑุจ ููŠ X ุจุนุฑูุด ุจุฏู‡ ูŠุตูŠุฑ ุนู†ุฏูƒ two

132
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inequalities ู…ุด ูˆุงุญุฏุฉ ูˆุจุงู„ุชุงู„ูŠุชูˆุฑุทู†ุง ู…ุธุจูˆุท ู„ูƒู† ุจุงู„

133
00:11:48,460 --> 00:11:52,540
absolute ุงู† ุญู„ุช ุงู„ู…ุดูƒู„ุฉ ุงุชู†ูŠู† ุงู†ุง ุจุฏูŠ ุงุฌูŠุจ ู…ุจุงุดุฑ

134
00:11:52,540 --> 00:11:57,240
ู…ุซุงู„ ุนุงู„ู…ูŠุง ุนู„ู‰ ุงู„ remark ุนู„ู‰ ูƒูŠููŠุฉ ุงุณุชุฎุฏุงู… ุงู„

135
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remark ุชู…ุงู… ุทูŠุจ ู†ู†ุชู‚ู„ ุงู„ุงู† ุงู„ู‰ section ุงุชู†ูŠู† ุชู„ุงุชุฉ

136
00:12:04,100 --> 00:12:08,140
ุงู„ู„ู‰ ู‡ูˆ ุงู„ section ุงู„ู„ู‰ ูŠู„ูŠู‡ ู…ุจุงุดุฑุฉ

137
00:12:26,890 --> 00:12:39,790
Area section ุงุชู†ูŠู† ุชู„ุงุชุฉ Precise

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Definition

139
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definition of a limit in

140
00:12:51,700 --> 00:13:03,800
this section ู‡ุฐุง

141
00:13:03,800 --> 00:13:12,420
ุงู„section we does not tell her we does not

142
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how to find a limit of a function but

143
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we verify ุจุฏุง

144
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ู†ุชุญู‚ู‚ ู†ุชุฃูƒุฏ thatthe suspected that the suspected

145
00:13:49,730 --> 00:14:06,250
limit is correct ูƒูˆู† ุตุญูŠุญุฉ definition

146
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let

147
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ุงู„ Fbe a function defined on

148
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an open interval containing

149
00:14:31,630 --> 00:14:35,510
x0

150
00:14:35,510 --> 00:14:38,490
except possibility

151
00:14:45,230 --> 00:14:53,370
except possibility at x node itself at x node

152
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itself ูŠุจู‚ู‰

153
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limit ู„ู„ f of x ู„ู…ุง ุงู„ x ุจุฏู‰ ุชุฑูˆุญ ู„ู„ x node ุจุฏู‰

154
00:15:07,730 --> 00:15:13,890
ูŠุณุงูˆูŠ ุงู„ ุงู„ means that ุชุนู†ูŠ ุงู†

155
00:15:59,360 --> 00:16:03,660
ูŠุจู‚ู‰ ุงู„ุนู†ูˆุงู† ุงู„ู„ูŠ ุงุญู†ุง ุฑุงูุนูŠู†ู‡ ุชุฑุฌู…ุฉ ุงู„ุนุฑุจูŠุฉ ู„ู‡

156
00:16:03,660 --> 00:16:10,080
ุงู„ุตูŠุงุบุฉ ุงู„ุฑูŠุงุถูŠุฉ ุงู„ุฏู‚ูŠู‚ุฉ ู„ู„ู†ู‡ุงูŠุฉ ุทุจุนุง ุงุญู†ุง ุงู„ู…ุฑุฉ

157
00:16:10,080 --> 00:16:13,940
ุงู„ู„ูŠ ูุงุชุช ุจุฌูŠู†ุง ู†ู‚ูˆู„ limit ู„ู„ function ูŠุนู†ูŠ ูƒู„ ู…ุง

158
00:16:13,940 --> 00:16:18,700
ุงู‚ุชุฑุจุช X ู…ู† X node ูƒู„ ู…ุง ุงู‚ุชุฑุจุช F of X ู…ู† L ูˆุนุจุฑู†ุง

159
00:16:18,700 --> 00:16:22,740
ุนู† ู‡ุฐุง ุฑูŠุงุถูŠุง ู†ู‚ูˆู„ limit F of X ู„ู…ุง ุงู„ X ุจุชุฑูˆุญ ู„ X

160
00:16:22,740 --> 00:16:27,550
node ุจุฏูŠ ุณุงูˆูŠ ู…ูŠู†ุŸ ุจุฏูŠ ุณุงูˆูŠ Lู‡ู†ุง ุจุฏู†ุง ู†ุนุทูŠ ุชุนุฑูŠู

161
00:16:27,550 --> 00:16:32,710
ุฌุฏูŠุฏ ุฃูˆ ุตูŠุงุบุฉ ุฌุฏูŠุฏุฉ ู„ู‡ุฐู‡ ุงู„ limit ูŠุจู‚ู‰ precise

162
00:16:32,710 --> 00:16:39,250
ู…ุนู†ุงุชู‡ ุงู„ุฏู‚ูŠู‚ ุงู„ุชุนุฑูŠู ุงู„ุฏู‚ูŠู‚ ู„ู…ูŠู† ู„ู„ู†ู‡ุงูŠุฉ ุจุฃูˆู„

163
00:16:39,250 --> 00:16:43,580
ุณุทุฑูŠู† ุจู‚ูˆู„ ู„ูŠุดุจู‚ูˆู„ ุงุญู†ุง ููŠ ู‡ุฐุง ุงู„ section ุจุฏู†ุงุด

164
00:16:43,580 --> 00:16:47,240
ู†ุญุณุจ ู†ู‡ุงูŠุงุช ุฒู‰ ู…ุง ูƒู†ุง ุจู†ุญุณุจ ู†ู‡ุงูŠุงุช ููŠ ุงู„ section

165
00:16:47,240 --> 00:16:52,940
ุงู„ู…ุงุถู‰ุŒ ู‡ุง ุฅูŠุด ุจุฏู†ุง ู†ุนู…ู„ุŸ ุจุฏู†ุง ู†ุชุฃูƒุฏ ุฃูˆ ู†ุชุญู‚ู‚ ู…ู†

166
00:16:52,940 --> 00:16:57,600
ุฅู† ุงู„ู†ู‡ุงูŠุฉ ุงู„ู…ู‚ุชุฑุญุฉ ู‡ูŠ ู†ู‡ุงูŠุฉ ุตุญูŠุญุฉูŠุนู†ูŠ ู…ุนู†ุงุชู‡

167
00:16:57,600 --> 00:17:02,520
ู‡ูŠุนุทูŠู†ูŠ ุฏุงู„ุฉ ูˆูŠุนุทูŠู†ูŠ limit ู„ู‡ุฐู‡ ุงู„ุฏุงู„ุฉ ูˆุงุญู†ุง ุจุฏู†ุง

168
00:17:02,520 --> 00:17:06,760
ู†ุชุฃูƒุฏ ุงู† ุงู„ู‚ูŠู…ุฉ ุงู„ู„ูŠ ุงุนุทุงู‡ุง ู„ู‡ุฐู‡ ู…ุงู„ู‡ุง ู‚ูŠู…ุฉ ุตุญูŠุฉ

169
00:17:06,760 --> 00:17:10,800
ูŠุจู‚ู‰ ุงู„ู„ูŠ ุจุชุทู„ุน ูˆุฑุงูŠุง ูŠุจุทู„ุน ู‡ู†ุง ูˆูŠุตุญุตุญ ู…ุนุงู‡ ูƒูˆูŠุณ

170
00:17:10,800 --> 00:17:17,940
ู„ุฅู† ู‡ุฐุง ุงู„ section ุงู„ุณู‡ู„ ุงู„ู…ู…ุชู†ุนูŠุนู†ูŠ ููŠ ุญุฏ ุฐุงุชู‡

171
00:17:17,940 --> 00:17:22,200
ุณู‡ู„ ู„ูƒู† ูƒู„ูƒูˆุง ู‡ุชุฏุงุฌูˆุง ู…ู†ู‡ ู…ู† ุฃูˆู„ูƒูˆุง ุงู„ู‰ ุขุฎุฑูƒูˆุง

172
00:17:22,200 --> 00:17:27,060
ุชู…ุงู… ุฑุบู… ุฃู†ู‡ ุณู‡ู„ ู„ูƒู† ู…ู…ูƒู† ูŠุจู‚ู‰ ูุงุชุญ ู…ุนุงูŠุง ุงู†ุง ู‡ู…ุดูŠ

173
00:17:27,060 --> 00:17:32,000
ู…ุนุงูƒ step by step ุชู…ุงู… ูุจูŠู‚ูˆู„ ู„ูŠุด in this section

174
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ููŠ ู‡ุฐุง ุงู„ section we does not tell how to find a

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limit of a function ุงุญู†ุง ู…ุด ู‡ู†ู‚ูˆู„ูƒ ูƒูŠู ุชูˆุฌุฏ

176
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ุงู„ู†ู‡ุงูŠุฉ ู„ function ู‡ุดูˆูู†ุง ู†ุนู…ู„But we verify ุจุฅู†

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ู†ุชุฃูƒุฏ ุฃูˆ ู†ุชุญู‚ู‚ ู…ู† ุฅู† Suspected limit ุงู„ู†ู‡ุงูŠุฉ

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ุงู„ู…ู‚ุชุฑุญุฉ Suspected ูŠุนู†ูŠ ู…ู‚ุชุฑุญ is correct ุชูƒูˆู†

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ู†ู‡ุงูŠุฉ ุตุญูŠุฉ ูŠุจู‚ู‰ ู‡ุฐุง ูƒู„ ุดุบู„ู†ุง ููŠ ู‡ุฐุง section

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ุจูŠุนุทูŠู†ุง limit ูˆุงู†ูŠ ุจุชุชุญู‚ู‚ ุงูˆ ุงุชุฃูƒุฏ ุงู† ู‡ุฐู‡ ุงู„ limit

181
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ู‡ูŠ ุตุญูŠุญุฉ ู„ู„ุฏุงู„ุฉ ุงู„ู…ุทุงุฑ ุทุจ ุงู† ู†ุดูˆู ุงูŠุด ุงู„

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definition ุงู„ู„ูŠ ุจุฏูŠ ุงุนุทุงู‡ ู‡ู†ุงุฌุงู„ูŠ ุงู„ู€ definition

183
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ู„ุชู„ู ุจู€ function defined ุนู„ู‰ an open interval

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containing x node except possibly ู…ุงุฏุฉ ู…ู…ูƒู†

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ุนู†ุฏ x node itselfุฃุญู†ุง ู„ู…ุง ู†ุงุฎุฏู†ุง ุงู„ section ุงู„ู…ุงุถูŠ

186
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ุงุชู†ูŠู† ุงุชู†ูŠู† beginning ูˆุงู„ู…ู…ูƒู† ุงู† ุชูƒูˆู† ู†ู‡ุงูŠุฉ ุงู„ุฏุงู„ุฉ

187
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ู…ูˆุฌูˆุฏุฉ ูˆ ุงู„ุฏุงู„ุฉ ุบูŠุฑ ู…ุนุฑูุฉ ุนู†ุฏ ู‡ุฐู‡ ุงู„ู†ู‚ุทุฉ ู…ุธุจูˆุท

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ูŠุนู†ูŠ ุงู„ุฏุงู„ุฉ ู…ุนุฑูุฉ ูˆู„ุง ุบูŠุฑ ู…ุนุฑูุฉ ู…ุงุชูุฑุฌุด ุนู†ุฏูŠ

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ุจุงู„ู†ุณุจุฉ ู„ุฅูŠุฌุงุฏูู‚ุงู„ ู‡ู†ุง ุงู„ู‡ูŠููˆููŠูƒุด ู…ุนุฑูุฉ ุนู„ู‰ ูƒู„ ุงู„

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open interval ุงู„ู…ุฌุชู…ู„ุฉ ุนู„ู‰ ุงู„ู†ู‚ุทุฉ x0 ู…ุนุงุฏุฉ ุนู†ุฏ x0

191
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itself ุจุฏุง ุชุจู‚ู‰ ู…ุนุฑูุฉ ูˆู…ู…ูƒู† ุชูƒูˆู† ุบูŠุฑ ู…ุนุฑูุฉ except

192
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ู…ุนุงุฏุฉ possibly ู…ู…ูƒู† ูŠุนู†ูŠ ู…ู…ูƒู† ุนู†ุฏ ุงู„ x0 ุชูƒูˆู†

193
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ุงู„ุฏุงู„ุฉ ู…ุนุฑูุฉ ูˆู…ู…ูƒู† ู…ุง ุชูƒูˆู†ุด ู…ุนุฑูุฉ ู…ุด ู‡ุชูุฑุฌ ู…ุนุงูŠุง

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ุจุงู„ู†ุณุจุฉ ู„ู…ูŠู† ู„ุฅูŠุฌุงุฏ ุงู„ limitุจูŠู‚ูˆู„ ู„ูŠ limit f of x

195
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ู„ู…ุง ุงู„ู€ x ุจุชุฑูˆุญ ุงู„ู€ x ูˆ ุงู†ุช ุชุณุงูˆูŠ ุงู„ู€ means that

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ู…ุงุฐุง ุชุนู†ูŠ ูŠุจู‚ู‰ ู‡ุฐุง ุงู„ุชุนุฑูŠู ุงู„ุฌุฏูŠุฏ ุจุชู‚ูˆู„ ู„ูŠ for

197
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every for every epsilon greater than zero there

198
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exists delta greater than zero such that ุจุญูŠุซ ุงู†

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ุฃู‚ู„ ู…ู† X ู†ุงู‚ุต X node ุฃู‚ู„ ู…ู† Delta then absolute

200
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value ู„ู„ F of X ู†ุงู‚ุต ุงู„ L ุฃู‚ู„ ู…ู† ุงู„ Epsilon ู…ุฑุฉ

201
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ุชุงู†ูŠุฉLimit f of x ู„ู…ุง ุงู„ู€ x ุชุฑูˆุญ ุฅู„ู‰ ุงู„ู€ x ู†ู‡ุถูŠ

202
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ุงู„ุณุงูˆูŠุฉ ุงู„ู€ L means that ุชุนู†ูŠ ู…ุง ูŠุฃุชูŠ for every

203
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epsilon greater than zero ูŠุนู†ูŠ ุฅุฐุง ุฃุนุทูŠู†ุง epsilon

204
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greater than ูŠุนู†ูŠ real ุนุฏุฏ real ูƒุซุฑูŠ ู…ูˆุฌุจ ู…ุงุนู†ุฏูŠ

205
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ู…ุดูƒู„ุฉ ุชู…ุงู… ูŠุจู‚ู‰ ุฃู†ุง ูƒู„ ุงู„ู„ูŠ ุจุฏูŠู‡ ูŠูƒูˆู† ุนุฏุฏ ู…ูˆุฌุจ

206
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ุชู…ุงู… ู…ุนู„ู‡ ุฃูƒุจุฑ ู…ู† ุงู„ zero ู‡ุงูŠ ุงู„ู…ูˆุฌุจุฅุฐุง ุฃุฎุฏู†ุง ุนุฏุฏ

207
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ุฃ ู…ูˆุฌุจ ุฃูƒุจุฑ ู…ู† ุงู„ู€ zero there exists ูŠูˆุฌุฏ ุงู„ู€ E

208
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ุจุงู„ุฅู†ุฌู„ูŠุฒูŠ ุจุณ ู…ุบู„ูˆุจุฉ ูŠุนู†ูŠ ุฃู† ู‡ู†ุงูƒ ู…ูˆุฌุจ ูุฑูŠุงุถูŠุชู†ุง

209
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ู‡ู†ุงูƒ ู…ูˆุฌุจ ุฏู„ุชุฉ ุฃูƒุจุฑ ู…ู† ุงู„ู€ zero ุจู„ุงู‚ูŠ ู‚ูŠู…ุฉ ู„ุฏู„ุชุฉ

210
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ู…ุงู„ู‡ุง ุชุจู‚ู‰ ู…ูˆุฌุจุฉ ุฏุงุฆู… ู‡ู†ุง ุจุญูŠุซ ุฃู†ุงู„ู€ zero ุฃู‚ู„ ู…ู†

211
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ุงู„ X ู†ู‚ุต ุงู„ X node ุฃู‚ู„ ู…ู† ุฏู„ุชุง ูŠุจู‚ู‰ ุฎุงุชุฉ ุงู„

212
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absolute value ู„ู„ X ู†ู‚ุต X node ุจุฏู„ุฌูŠู‡ุง ุฏุงุฆู…ุง ูˆ

213
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ุฃุจุฏุง ู…ูˆุฌุจุฉ ู„ุฅู† absolute ูˆ ููŠ ู†ูุณ ุงู„ูˆู‚ุช ุฃู‚ู„ ู…ู†

214
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delta ุฅู† ุญุฏุซ ุฐู„ูƒูŠุจู‚ู‰ ูŠุฌุจ ุฃู† ูŠูƒูˆู† ุงู„ูุฑู‚ ู…ุง ู…ู† ุงู„ F

215
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of X ูˆL ุงู„ absolute value ุฃู‚ู„ ู…ู† ุฅุจุณู„ูˆู† ูŠุจู‚ู‰ ู‡ุฐุง

216
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ุงู„ุชุนุฑูŠู ู‡ูˆ ุงู„ุชุนุฑูŠู ุนู†ุฏู†ุง ู„ุฌุฏูŠุฏ ู‡ู†ุง ูุงู‡ู…ูŠู†ุŸ ุทุจุนุง ู„ุฃ

217
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ูƒู„ู‡ ุทู„ุงุณู… ุชู…ุงู…ุŸ ุงู„ุขู† ุจุฏู†ุง ู†ููƒ ู‡ุฐู‡ ุงู„ุทู„ุงุณู… ูˆ ู†ุจูŠู‘ู„ูƒ

218
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ุฃู† ู‡ุฐู‡ ุงู„ุทู„ุงุณู… ู‡ูŠ ุงู„ุชุนุฑูŠู ุงู„ู„ูŠ ุงู†ุช ุฃุฎุฏุชู‡ ู‡ุฐุง ู‚ุจู„

219
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ุฐู„ูƒ ุจุงู„ doubleุชู…ุงู… ุจุณ ู‚ุจู„ ู…ุง ูู‡ู…ูƒ ู‡ุฐุง ุงู„ูƒู„ุงู… ุงูŠู‡

220
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ุฎุงุทุฑ ุงููƒ ุงู„inquality ู‡ุฐูŠ ูˆููƒ ุงู„inquality ู‡ุฐูŠ ุงุดูˆู

221
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ุจุฏู‡ ุชูˆุตู„ู†ูŠ ู„ูˆูŠู† ูู„ูˆ ุฌูŠุช ููƒุช ุงู„inquality ู‡ุฐูŠ ู‡ุฐูŠ

222
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ู…ุนู†ุงู‡ุง ุงู†ู‡ x ู†ุงู‚ุต ุงู„ x node ุงู‚ู„ ู…ู† delta ูˆ ุงูƒุจุฑ ู…ู†

223
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ุณุงู„ุจ delta ู…ุด ู‡ูŠ ุฎุงุตุฉ ุงู„ absolute value ุฎุงุตุฉ ุงู† ุงู„

224
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delta ู…ุนุฌุจุฉุถูŠู ู„ู€ X node ู„ู„ุทุฑููŠู† ุฃูˆ ู„ู„ุซู„ุงุซุฉ ุฃุทุฑุงู

225
00:22:10,100 --> 00:22:16,600
ุจูŠุตูŠุฑ X node ู†ุงู‚ุต Delta ุฃู‚ู„ ู…ู† X ุฃู‚ู„ ู…ู† X node

226
00:22:16,600 --> 00:22:22,840
ุฒุงุฆุฏ Delta ูŠุนู†ูŠ ุงู„ู€ X ู‡ุฐูŠ ูƒ variable ุจุฏูŠ ูŠุชุญุฑูƒ

227
00:22:22,840 --> 00:22:30,360
ุฎู„ุงู„ ู‡ุฐู‡ ุงู„ูุชุฑุฉ ุฅู† ุญุฏุซ ุฐู„ูƒ ูŠุจู‚ู‰ ู‡ุฐุง ุจุฏู‡ ูŠุนุทูŠูƒ ุงู†

228
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ุงู„ F of X ู†ุงู‚ุต ุงู„ Lุฃู‚ู„ ู…ู† ุฅุจุณู„ูˆู† ูˆุฃูƒุจุฑ ู…ู† ู…ูŠู†ุŸ ู…ู†

229
00:22:37,380 --> 00:22:43,760
ุณุงู„ุจ ุฅุจุณู„ูˆู† ุทุจ ุฅูŠู‡ ู†ู‡ุงูŠุฉ ุฏุงู„ุฉ ูŠุนู†ูŠ ุฑู‚ู… realุŸ ุจุถูŠู

230
00:22:43,760 --> 00:22:49,880
ู„ู„ุซู„ุงุซุฉ L ุฅุฐุง ู„ูˆ ุถูุช ู„ู„ุซู„ุงุซุฉ ุฃุทุฑุงู L ุจุตูŠุฑ ุงู„ L

231
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ู†ุงู‚ุต ุฅุจุณู„ูˆู† ุฃู‚ู„ ู…ู† F of Xุฃู‚ู„ ู…ู† ุงู„ L ุฒุงุฆุฏ Epsilon

232
00:22:57,810 --> 00:23:03,710
ุทูŠุจ ู…ุดุงู† ู†ูู‡ู… ู‡ุฐุง ุงู„ุชุนุฑูŠู ูู‡ู…ุง ุฏู‚ูŠู‚ุง ุชุนุงู„ู‰ ู†ุฑุณู…

233
00:23:03,710 --> 00:23:11,290
ุฑุณู…ุฉ ูˆ ู†ุดูˆู ูƒูŠู ุจู†ุญุงูˆู„ ู†ูู‡ู… ู…ู†ู‡ุง ู‡ุฐุง ุงู„ุชุนุฑูŠู ุงูุชุฑุถ

234
00:23:11,290 --> 00:23:19,750
ู‡ุฐุง ู…ุญูˆุฑ X ูˆู‡ุฐุง ู…ุญูˆุฑ Y ูˆู‡ุฐู‡ ู†ู‚ุทุฉ ุงู„ุฃุตู„ุฑูˆุญู†ุง ุฑุณู…ู†ุง

235
00:23:19,750 --> 00:23:24,750
ู…ู†ุญู†ู‰ ุฏุงู„ุฉ ููƒุงู† ู…ู†ุญู†ู‰ ุงู„ุฏุงู„ุฉ ุนู„ู‰ ุณุจูŠู„ ุงู„ู…ุซุงู„ ุจู‡ุฐุง

236
00:23:24,750 --> 00:23:32,700
ุงู„ุดูƒู„ ุงูุชุฑุถ ู‡ุฐุง ุงู„ู…ู†ุญู†ู‰ ู‡ูˆ Y ุชุณุงูˆูŠ F of Xุฃุฎุฐุช

237
00:23:32,700 --> 00:23:38,120
ุงู„ู†ู‚ุทุฉ ุงู„ู‰ ุงู„ู€ main ู†ู‚ุทุฉ ูˆุงู„ุชูƒู† ู‡ุฐู‡ ุงู„ู†ู‚ุทุฉ ู‡ูŠ ู…ุซู„ุง

238
00:23:38,120 --> 00:23:44,960
ุนู†ุฏู†ุง ู‡ู†ุง ุงู„ X node ุชู…ุงู… ุนู†ุฏ ุงู„ X node ู…ู…ูƒู† ุงู„ุฏุงู„ุฉ

239
00:23:44,960 --> 00:23:51,940
ุชุจู‚ู‰ ู…ุนุฑูุฉ ูˆู…ู…ูƒู† ุงู„ุฏุงู„ุฉ ู…ุง ุชูƒูˆู†ุด ู…ุนุฑูุฉ ู„ูƒู† ู†ู‡ุงูŠุฉ

240
00:23:51,940 --> 00:23:58,120
ุงู„ุฏุงู„ุฉ ู‡ู†ุง ู…ุงู„ู‡ุง exist ูˆุงู„ุชูƒู† ุงู„ ุชู…ุงู…

241
00:24:00,300 --> 00:24:05,220
ู†ุฌูŠ ู„ู„ุชุนุฑูŠู ุงูŠุด ุจูŠู‚ูˆู„ูŠ ุจูŠู‚ูˆู„ ุงู„ุชุนุฑูŠู given epsilon

242
00:24:05,220 --> 00:24:08,400
greater than zero ุงูˆ ุงุฐุง ุงุนุทูŠุช epsilon greater

243
00:24:08,400 --> 00:24:13,580
than zero ูŠุจู‚ู‰ ุงู†ุง ุจุฏูŠ ุงุฑูˆุญ ุงุฎุฏ ู…ุณุงูุฉ ุนู„ู‰ ู…ุญูˆุฑ Y

244
00:24:13,580 --> 00:24:19,660
ู…ูˆุฌุจุฉ ูˆุงุณู…ูŠู‡ุง ุงูŠุด epsilon ูŠุจู‚ู‰ ุงู†ุง ู„ูˆ ุฌูŠุช ู‡ู†ุง ู‡ู†ุง

245
00:24:19,660 --> 00:24:28,470
ู‡ู†ุง ูˆู‚ู„ุชู‡ุฐู‡ ุงู„ู…ุณุงูุฉ ูƒู„ู‡ุง ู…ู† ู‡ู†ุง ู„ู‡ู†ุง ุงุจุณู„ูˆู† ุชู…ุงู…ุŸ

246
00:24:28,470 --> 00:24:33,330
ู‡ูˆ ุงูŠู‡ ู…ู† ุญู†ุง ุงู„ุฏุงู„ุฉ ู…ุงุดูŠ ู‡ูŠูƒ ูƒูˆูŠุณุŸ ูŠุจู‚ู‰ ุจุชุจู‚ู‰

247
00:24:33,330 --> 00:24:40,190
ุงู„ู†ู‚ุทุฉ ุงู„ู„ูŠ ููˆู‚ ู‡ุฐู‡ ุฌุฏุงุด ุงู„ุฅุญุฏุงุซ ุชุจุนู‡ุง L ุฒุงุฆุฏ

248
00:24:40,190 --> 00:24:45,990
ุงุจุณู„ูˆู† ูŠุจู‚ู‰ ู‡ุฐุง L ุฒุงุฆุฏ ุงุจุณู„ูˆู† ุทูŠุจ ู„ูˆ ุฃุฎุฏุช ุงู„ู†ู‚ุทุฉ

249
00:24:45,990 --> 00:24:53,350
ู‡ุฐู‡ ุชุญุช ู‡ู†ุงูŠุจู‚ู‰ ู‡ุฐู‡ ูƒู…ุงู† ู‚ุฏุงุด ุฅุจุณู„ูˆู† ูŠุจู‚ู‰ ู‡ุฐุง ุจุตูŠุฑ

250
00:24:53,350 --> 00:24:59,070
ุงู„ L ู†ุงู‚ุต ุฅุจุณู„ูˆู† ุงู„ู„ูŠ ุงุญู†ุง ุฌุงู„ูŠู† ุนู„ูŠู‡ุง ูŠุนู†ูŠ F of X

251
00:24:59,070 --> 00:25:04,070
ู„ุงุฎุฏ ู„ุงุฒู… ุชุงุฎุฏ ู‚ูŠู…ุฉ ู…ุญุตูˆุฑุฉ ู…ุง ุจูŠู† ู…ุง ุจูŠู† ุงู„ู‚ูŠู…ุชูŠู†

252
00:25:04,070 --> 00:25:09,930
ุทูŠุจ ุจุฏุงุฌูŠ ุฃู…ุดูŠ ุฃูู‚ ู‡ู†ุง ู‡ูŠูƒ ู„ุบุงูŠุฉ ู…ุง ุฌุงุจู†ุง ุงู„ู†ู‚ุทุฉ

253
00:25:09,930 --> 00:25:15,430
ู‡ุฐู‡ ุชู…ุงู…ุŸ ูˆ ุฃุฌูŠ ู†ุงุฒู„ ุฑุฃุณูŠุงู„ุดูƒู„ ุงู„ู„ูŠ ุนู†ุฏู†ุง ู‡ุฐุง ูˆ ู…ู†

254
00:25:15,430 --> 00:25:20,150
ู‡ู†ุง ุจุฏุงุฌูŠ ู…ุงุดูŠ ุฃูู‚ ู‡ูŠูƒ ู„ุนูŠุท ู…ุง ุฌุงุจู„ ุงู„ู†ู‚ุทุฉ ู‡ุฐู‡ ูˆ

255
00:25:20,150 --> 00:25:25,330
ุฃู†ุฒู„ ู‡ูŠูƒ ุฑุฃุณูŠ ุจุงู„ุดูƒู„ ุงู„ู„ูŠ ุนู†ุฏู†ุง ู‡ุฐุง ุชู…ุงู… ุทูŠุจ

256
00:25:25,330 --> 00:25:31,530
ุงู„ู…ุณุงูุฉ ู‡ุฐู‡ ู„ูˆ ูƒุงู†ุช ุฌุฏ ุงู„ู…ุณุงูุฉ ู‡ุฐู‡ ุจุงู„ุถุฑุฑ ูŠุจู‚ู‰ ู‡ุฐู‡

257
00:25:31,530 --> 00:25:37,010
delta ูˆู‡ุฐู‡ main delta ุฅุฐุง ุฅุญุฏุงุซ ุงู„ู†ู‚ุทุฉ ู‡ุฐุง ุฌุฏุงุด

258
00:25:37,010 --> 00:25:44,930
ุจุฏูŠ ูŠูƒูˆู†ู‡ุฐู‡ ูƒู„ู‡ุง x node ูˆู‡ุฐู‡ ุฏู„ุชุง ูŠุจู‚ู‰ x node ู†ุงู‚ุต

259
00:25:44,930 --> 00:25:51,630
ุฏู„ุชุง ู‡ุฐู‡ ู‚ุฏุงุด ุจุชูƒูˆู† x node ุฒุงุฆุฏ ุฏู„ุชุง ุงู„ู„ูŠ ุจู†ู‚ูˆู„ x

260
00:25:51,630 --> 00:25:56,390
ุจุชุชุญุฑูƒ ุฏุงุฎู„ ู…ู†ุŸ ุฏุงุฎู„ ุงู„ูุชุฑุฉ ุงู„ู„ูŠ ุนู†ุฏู†ุง ู‡ุฐู‡ุฅุฐุงู‹ X

261
00:25:56,390 --> 00:26:02,250
ุณุชุชุญุฑูƒ ุฏุงุฎู„ ุงู„ูุชุฑุฉ ู…ู† ุนู†ุฏ ุงู„ู†ู‚ุทุฉ ู‡ุฐู‡ ู„ุนู†ุฏ ูˆูŠู† ู„ุนู†ุฏ

262
00:26:02,250 --> 00:26:06,890
ุงู„ู†ู‚ุทุฉ ุงู„ู„ูŠ ุนู†ุฏู†ุง ู‡ุฐู‡ ุฅุฐุงู‹ ุฎู„ู‘ูŠู†ุง ู†ุงุฎุฏ X ูˆูŠู†ู…ุง

263
00:26:06,890 --> 00:26:12,230
ุชูŠุฌูŠ ุชูŠุฌูŠ ูˆ ุงู„ุชู‚ู† ุนู„ู‰ ุณุจูŠู„ ุงู„ู…ุซุงู„ X ุนู†ุฏ ุงู„ู†ู‚ุทุฉ ู‡ุฐู‡

264
00:26:12,230 --> 00:26:19,710
ุจุฃุฎุชูŠู…ู† X node ู†ู‚ุต ุฏู„ุชุง ุฅู„ู‰ X node ุฒุงุฆุฏ ุฏู„ุชุง ูˆ

265
00:26:19,710 --> 00:26:26,550
ุฌุงุกุช ุทุงู„ุน ุจุงู„ุณู„ุงู…ุฉ ู„ุบุงูŠุฉ ู…ุง ู‚ุจู„ุช ุงู„ู…ู†ุญู†ุฉ ูŠุจู‚ู‰ ู‡ุฐู‡

266
00:26:26,550 --> 00:26:32,330
ุงู„ู†ู‚ุทุฉ ุงูŠุด ุจุตูŠุฑ ุงุญุฏุงุซูŠุฉ X ูˆ F of X ูˆูŠู† ุงู„ F of X

267
00:26:32,330 --> 00:26:44,270
ูŠุจู‚ู‰ ู„ูˆ ุฌูŠุช ู…ุงุดูŠ ุฃูู‚ ู‡ู†ุง ูู‡ูŠ F of Xู‡ุฐู‡ ู‡ูŠ ู†ุธุฑูŠุฉ

268
00:26:44,270 --> 00:26:49,850
ุงู„ู‚ูŠู…ุฉ ุงู„ู…ุชูˆุณุทุฉ ูˆู‡ูŠ

269
00:26:49,850 --> 00:26:51,010
ู†ุธุฑูŠุฉ ุงู„ู‚ูŠู…ุฉ ุงู„ุจูŠู†ูŠุฉ

270
00:26:59,040 --> 00:27:05,400
ุฃุญู†ุง ุงู„ุขู† ู‚ู„ู†ุง ู‡ุฐู‡ L ุนู†ุฏ ุงู„ู†ู‚ุทุฉ ู‡ุฐู‡ ู„ูŠ ุฌุจุงู„ ุงู„ X

271
00:27:05,400 --> 00:27:11,160
node ู‚ุฏ ุชูƒูˆู† ู…ุนุฑูุฉ ูˆ ู‚ุฏ ุชูƒูˆู† ุบูŠุฑ ู…ุนุฑูุฉ ู‚ู„ู†ุง ู‡ุฐู‡

272
00:27:11,160 --> 00:27:16,130
ุงู„ุฃุณูˆุฃ ุฅู†ู‡ุง ู…ุงู‡ูŠุงุด ู…ุนุฑูุฉูุฑูˆุญุช ู‚ู„ูŠู„ ุซู‚ูˆุจ ู…ูˆุฌูˆุฏ ุนู„ู‰

273
00:27:16,130 --> 00:27:20,810
ู…ู†ุญู†ู‰ Della Y ุชุณุงูˆูŠ F of X ูˆู‡ูŠ ุงู„ L ุงู„ู„ูŠ ุฌุจุงู„ู‡ ุฃุฌุฏ

274
00:27:20,810 --> 00:27:25,950
ุชุนุฑููŠุด ุจู‚ูˆู„ูŠ ุฅุฐุง ุฃุฎุฏุช ุฅุจุณู„ูˆู† greater than zero

275
00:27:25,950 --> 00:27:30,490
ู„ุงุฒู… ุชู„ุงู‚ูŠ Delta greater than zero ุฑูˆุญุช ุฃุฎุฏุช

276
00:27:30,490 --> 00:27:35,890
ุฅุจุณู„ูˆู† ุงู„ู„ูŠ ููˆู‚ ุฃู…ุดูŠ ุทู„ุนุช ุนู†ุฏู…ูŠู† Delta ุงู„ู„ูŠ ู‡ูŠ

277
00:27:35,890 --> 00:27:42,130
ุชุญุชู‡ุงู„ูˆ ุฃุฎุฏุช ุฅุจุณู„ูˆู† ุชุญุชูƒ ุชู‚ู„ุน ุฏู„ุชุง ู„ูŠู‡ ุงู„ู„ูŠ ุชุญุชูƒุŸ

278
00:27:42,130 --> 00:27:47,450
ูŠุจู‚ู‰ ุฃูŠ ู‚ูŠู…ุฉ ุจุชุงุฎุฏู‡ุง ู„ุฅุจุณู„ูˆู† ุจุชุฌุงุจู„ู‡ุง ู…ูŠู† ู‚ูŠู…ุฉ

279
00:27:47,450 --> 00:27:52,830
ู„ุฏู„ุชุง ูŠุจู‚ู‰ ุฅุจุณู„ูˆู† ู…ูˆู‚ุน ู„ุฅู†ู‡ู… ูŠุนุทูŠูƒ ุฑู‚ู… ุงู†ุช ุจุฏูƒ

280
00:27:52,830 --> 00:27:57,550
ุชุฑูˆุญ ุชุฌูŠุจ ู…ูŠู†ุŸ ุฏู„ุชุง ูŠุจู‚ู‰ ุฏู„ุชุง ุจุชุนุชู…ุฏ ุนู„ู‰ ู…ูŠู†ุŸ ุนู„ู‰

281
00:27:57,550 --> 00:28:02,660
ุฅุจุณู„ูˆู†ุฃู†ุง ุนู†ุฏูŠ ููŠ ุงู„ู‚ุงุน ู…ุซู„ุง ุณุจุนูŠู† ุทุงู„ุจ ูƒู„ ูˆุงุญุฏ

282
00:28:02,660 --> 00:28:07,520
ุฃุฎุฏ ุฅุจุณู„ูˆู† ุดูƒู„ ูŠุจู‚ู‰ ูƒู„ ูˆุงุญุฏ ุจุชุทู„ุน ู…ุนุงู‡ ุฏู„ุชุง ุดูƒู„

283
00:28:07,520 --> 00:28:12,140
ู…ุฎุชู„ูุฉ ุนู† ุงู„ุชุงู†ูŠุฉ ูˆูƒู„ู‡ ุตุญ ูƒู„ ุฏู„ุชุง ุจุชุทู„ุน ู…ุนุงูƒ

284
00:28:12,140 --> 00:28:15,880
ุจุชุนุชู…ุฏ ุนู„ู‰ ุฅุจุณู„ูˆู† ุงู„ู„ูŠ ุฃุฎุฏุชู‡ ู‡ุฐุง

285
00:28:19,680 --> 00:28:24,520
ู‡ู†ุง ู‡ู†ุง ู‡ู†ุง ู‡ู†ุง ู‡ู†ุง ู‡ู†ุง ู‡ู†ุง ู‡ู†ุง ู‡ู†ุง ู‡ู†ุง ู‡ู†ุง ู‡ู†ุง

286
00:28:24,520 --> 00:28:24,880
ู‡ู†ุง ู‡ู†ุง ู‡ู†ุง ู‡ู†ุง ู‡ู†ุง ู‡ู†ุง ู‡ู†ุง ู‡ู†ุง ู‡ู†ุง ู‡ู†ุง ู‡ู†ุง ู‡ู†ุง

287
00:28:24,880 --> 00:28:24,880
ู‡ู†ุง ู‡ู†ุง ู‡ู†ุง ู‡ู†ุง

288
00:28:39,190 --> 00:28:44,270
ุงู„ุญู…ุฑุฉ ุตุญูŠุญ ูˆู„ุง ู„ุฃ ุงู„ู…ุณุงูุฉ ุจูŠู† X ูˆ X node ู…ุด ุฃู‚ู„

289
00:28:44,270 --> 00:28:48,650
ู…ู† Delta ูˆู„ุง ู„ุฃ ุทุจ ู„ูŠุด ุงู„ absolute value ู„ุฃู† X

290
00:28:48,650 --> 00:28:52,810
ู…ู…ูƒู† ุชูƒูˆู† ุนู„ู‰ ุงู„ุดุฌุฉ ุงู„ุชุงู†ูŠุฉ ูุฅู† ูƒุงู†ุช X node ุนู„ู‰

291
00:28:52,810 --> 00:28:56,890
ุงู„ุดุฌุฉ ุงู„ุชุงู†ูŠุฉ ุจุตูŠุฑ X node ุฃูƒุจุฑ ู…ู† ู…ูŠู† ู…ู† X ูˆ ุจูƒุงู„ุฉ

292
00:28:56,890 --> 00:29:00,910
ุจุชุทู„ุน ู‚ูŠู…ุฉ ุณุงู„ุจุฉ ู„ู…ุง ู†ุงุฎุฏ ุงู„ absolute value ุจุทู„ุช

293
00:29:00,910 --> 00:29:04,210
ุฃุตูŠุฑ ุณุงู„ุจุฉ ุจุตูŠุฑ ู…ูŠู† ุจุตูŠุฑ ู…ูˆุฌุฉ ุฅุฐุง ู„ู…ุง ุฃุฎุฏุช ุงู„

294
00:29:04,210 --> 00:29:08,020
absolute value ู„ูˆ ูˆู‚ุนุช ุจุนุฏ ุงู„ X nodeูˆุงู„ู„ู‡ ู‚ุจู„ ุงู„ X

295
00:29:08,020 --> 00:29:11,900
node ูู‚ุถูŠุชู‡ุง ู…ุญู„ูˆู„ุฉ ู…ุงุนู†ุฏูŠุด ู…ุดุงูƒู„ ูŠุจู‚ู‰ ูู‡ู…ู†ุง ู„ูŠุด

296
00:29:11,900 --> 00:29:17,020
ุงู„ absolute value ุทูŠุจ ู…ู…ุชุงุฒ ุฌุฏุง ูŠุจู‚ู‰ ุตุงุฑ ุงู„ X

297
00:29:17,020 --> 00:29:20,880
ุณุชุชุญุฑูƒ ููŠ ุงู„ูุชุฑุฉ ุงู„ู„ูŠ ุนู†ุฏู†ุง ู‡ุฐู‡ ู‚ุฏ ุชูƒูˆู† ุงู„ X ู†ู‚ุต X

298
00:29:20,880 --> 00:29:25,820
node ู…ูˆุฌุจุฉ ูˆู‚ุฏ ุชูƒูˆู† ุงู„ X ู†ู‚ุต ุงู„ X node ู…ุงู„ู‡ุง ุณุงู„ูุฉ

299
00:29:25,820 --> 00:29:31,000
ุทูŠุจ ู†ูŠุฌูŠ ุงู„ุขู† ุฌุจุงู„ ุงู„ X ุงุทู„ุน ุงุทู„ุน ู„ุฌูŠู‡ุฉ ุงู„ F of X

300
00:29:31,000 --> 00:29:35,870
ุงู„ู†ู‚ุทุฉ ุงู„ู„ูŠ ุนู†ุฏู†ุง ู‡ุฐู‡ูˆุงู„ู€ L ู‡ูŠ ูŠุจู‚ู‰ ู‡ุฐุง ุงู„ูุฑู‚ ู…ุง

301
00:29:35,870 --> 00:29:43,610
ุจูŠู† F of X ูˆ L F of X ู†ุงู‚ุต ุงู„ู€ L ุชู…ุงู…ุŸ ุฃุฎุฏุชู„ู‡ ู…ู†

302
00:29:43,610 --> 00:29:47,410
ุงู„ absolute value ู„ุฅู† ุงุญุชู…ุงู„ ูƒู…ุงู† ูŠูƒูˆู† ู…ูˆุฌุจ

303
00:29:47,410 --> 00:29:52,410
ูˆุงุญุชู…ุงู„ ุณุงู„ุจ ุฃู†ุง ุนู†ุฏูŠ ุนู„ู‰ ุงู„ุฑุณู… L ุฃูƒุจุฑ ู…ู† ู…ูŠู†ุŸ ู…ู†

304
00:29:52,410 --> 00:29:55,310
ุงู„ F of X ู„ุฐุง ุงู„ู„ูŠ ุจู‚ูˆู„ F of X ู†ุงู‚ุต ุงู„ู„ูŠ ุงู„ู„ูŠ

305
00:29:55,310 --> 00:29:58,410
ุจุชุทู„ุน ุณุงู„ุจ ู‡ูˆ ุงู„ู„ู‡ ู…ูˆุฌุจูŠุจู‚ู‰ ุงู†ุง ุจุงุฎุฏ absolute

306
00:29:58,410 --> 00:30:03,870
value ุถู…ู†ุช ุงู†ู‡ุง ู…ูˆุฌุจุฉ ุชู…ุงู… ูˆู„ุง ุจู‚ู‰ ุงุชู†ูŠู† ุงู„ู…ุณุงูุฉ

307
00:30:03,870 --> 00:30:07,770
ู‡ูŠ ููŠ x ู†ู‚ุต ุงู„ L ูˆู‡ูŠ ุงู„ epsilon ู‡ุฐู‡ ู…ู† ุงู„ุงูƒุจุฑ

308
00:30:07,770 --> 00:30:12,470
epsilon ูˆู„ุง ุงู„ู…ุณุงูุฉ ู‡ุฐู‡ ุงู„ู…ุณุงูุฉ ู‡ุฐู‡ ุงู‚ู„ ู…ู† ุงู„

309
00:30:12,470 --> 00:30:18,590
epsilon ุตุญูŠุญ ูˆู„ุง ุงู„ epsilon ู…ู† ู‡ู†ุง ู„ู‡ู†ุง ู‡ูŠุฃูˆ ู…ู†

310
00:30:18,590 --> 00:30:22,870
ู‡ู†ุง ู„ู‡ู†ุง ู„ูƒู† ุงู„ู…ุณุงูุฉ ุจูŠู† F of X ูˆ L ู„ู„ู…ุณุงูุฉ ู‡ุฐู‡

311
00:30:22,870 --> 00:30:28,050
ูˆุงุถุญ ุฃู†ู‡ุง ุฃู‚ู„ ู…ู† ู…ูŠู†ุŸ ุฃู‚ู„ ู…ู† ุงู„ู€ Epsilon ูŠุจู‚ู‰ ..

312
00:30:28,050 --> 00:30:34,680
ุจุณ ูˆุฑุง ุดูˆูŠุฉ ูŠุจู‚ู‰ ุงู„ุทู„ุงุณู… ู‡ุฐู‡ ุงู† ููƒุช ูˆู„ุง ู„ุงููƒุฑุช ุจุณ

313
00:30:34,680 --> 00:30:41,600
ู„ุณู‡ ู„ุฃ ููƒุฑู†ุงู‡ุง ู„ุฃ ุจุณ ู„ุณู‡ ู…ุง ุฌูŠุจู†ุงุด ุนู„ุงู‚ุฉ ู‡ุฐู‡ ุจู…ูŠู†

314
00:30:41,600 --> 00:30:46,520
ุจู…ูˆุถูˆุน ุงู„ limit ุตุญูŠุญ ูˆู„ุง ู„ุฃุŸ ุงูŠูˆุฉ ุชุนุงู„ู‰ ู†ุญุท ู‡ุฐู‡

315
00:30:46,520 --> 00:30:50,460
ุงู„ุทู„ุงุณู… ุจู…ูู‡ูˆู… ุงู„ limit ุงู„ู„ูŠ ุนู†ุฏู†ุง ุงู„ู…ุฑุฉ ุงู„ู„ูŠ

316
00:30:50,460 --> 00:30:54,600
ูุงุชูˆุง ุงุญู†ุง ุจู†ุดุฑุญ ููŠ ุงู„ limit ุจู‚ูˆู„ู†ุง ุงูŠุดุŸ ุจู‚ูˆู„ู†ุง if

317
00:30:54,600 --> 00:31:00,500
ุงู„ X approaches X node ุงุฐุง ุงู‚ุชุฑุจุช X ู…ู† X node then

318
00:31:00,500 --> 00:31:07,640
if of X approachesูƒู„ ู…ุง ุงู‚ุชุฑุจุช X ู…ู† X node ูƒู„ ู…ุง

319
00:31:07,640 --> 00:31:12,340
ุงู‚ุชุฑุจุช F of X ู…ู† L ูˆ ุจู†ุฑูˆุญ ุงู†ุนุจุฑ ุนู† ู‡ุฐุง ุฑูŠุงุถูŠุง ุจ

320
00:31:12,340 --> 00:31:15,840
limit F of X ู„ู…ุง ุงู„ X ุจุชุฑูˆุญ ุงู„ X node ุจุฏู‡ ูŠุณุงูˆูŠ L

321
00:31:15,840 --> 00:31:20,040
ู…ุด ุดุฆ ู‚ู„ู†ุง ุทูŠุจ ุชุนุงู„ู‰ ู†ุดูˆู ุงู„ูƒู„ุงู… ุงู„ู„ูŠ ู‚ู„ุชู‡ ู„ูƒ ู‡ูˆ

322
00:31:20,040 --> 00:31:26,650
ุงู„ู„ูŠ ุนู„ู‰ ุงู„ู„ูˆุญ ูˆุงู„ู„ู‡ ุบูŠุฑู‡ ุชุนุงู„ู‰ ู†ุดูˆูุทุจุนุง ุงู† ูƒู„ ู…ุง

323
00:31:26,650 --> 00:31:32,430
ุงู‚ุชุฑุจุช X ู…ู† X node ูŠุฌุจ ุงู† ู†ุดูˆู ุงู„ F of X ุจุชุฌุฑุจ ู…ู†

324
00:31:32,430 --> 00:31:38,610
L ูˆู„ุง ู„ุง ูŠุจู‚ู‰ ู„ูˆ ุฌุจุช X node ุญุท X ู‡ู†ุง ูŠุจู‚ู‰ ุฌุฑุจุช

325
00:31:38,610 --> 00:31:45,160
ุงู…ุดูŠ ุฌุฑุจุช ุนู„ู‰ L ุตุญูŠุญ ูˆู„ุง ู„ุงุŸุฅุฐุง ูƒู„ู…ุง ุงู‚ุชุฑุจุช X ู…ู† X

326
00:31:45,160 --> 00:31:50,140
node ูƒู„ู…ุง ุงู‚ุชุฑุจุช F of X ู…ู† ู…ู† ู…ู† ุงู„ L ูŠุจู‚ู‰ limit

327
00:31:50,140 --> 00:31:53,960
ุงู„ F of X ู„ู…ุง ุงู„ X ุจุชุฑูˆุญ ุงู„ X node ุจุฏุฃุช ุณุงูˆูŠ ุงู„ L

328
00:31:53,960 --> 00:31:57,960
ุตุญูŠุญ ูˆู„ุง ู„ุง ูŠุจู‚ู‰ ู‡ุฐุง ุงู„ู…ุนู†ู‰ ุงู„ู„ูŠ ุงุญู†ุง ุจู†ู‚ูˆู„ู‡ ูŠุจู‚ู‰

329
00:31:57,960 --> 00:32:01,440
ุงู„ูƒู„ุงู… ุงู„ุนุชูŠุฌูŠ ุชุจุน ุงู„ section ุงู„ู„ูŠ ูุงุช ู‡ูˆ ุงู„ูƒู„ุงู…

330
00:32:01,440 --> 00:32:05,540
ุงู„ุฌุฏูŠุฏ ุงู„ู„ูŠ ุงู„ูŠูˆู… ุจุณ ุงู„ู…ุฑุฉ ุฏูŠ ุญุงุทูŠู†ู‡ุง ุนู„ู‰ ุดูƒู„ ุฑู…ูˆุฒ

331
00:32:05,540 --> 00:32:11,200
Epsilon ูˆDeltaู…ุงุดูŠ ูŠุง ุณูŠุฏูŠ ุทุจ ุจุฏูŠ ุฃู‚ูˆู„ ู‡ุฐุง ุงู„ูƒู„ุงู…

332
00:32:11,200 --> 00:32:18,700
ู„ู„ู…ุฑุฉ ุงู„ุฃุฎูŠุฑุฉ ุชู…ุงู…ุŸ ุงู„ุงู† ุงุญู†ุง ูƒุงุชุจูŠู† ูุฑู‚ ุนู†ูˆุงู†

333
00:32:18,700 --> 00:32:23,720
ุฏู‚ูŠู‚ ู„ู…ูู‡ูˆู… ุงู„ู†ู‡ุงูŠุฉ ุงู„ู…ุฑุฉ ุงู„ู„ูŠ ูุงุชุช ู‚ูˆู„ู†ุง ุนู†ูˆุงู†

334
00:32:23,720 --> 00:32:28,660
ุนุงู… ูˆ ุจู‚ูŠู†ุง ู†ุตูŠุบูˆุง ูƒู„ุงู… if x approaches to x0 then

335
00:32:28,660 --> 00:32:32,140
f of x approaches to L ูˆุจุงู„ุชุงู„ูŠ limit of f of x

336
00:32:32,140 --> 00:32:35,430
ู„ู…ุง ุงู„ X ุจุชุฑูˆุญ ู„ู„ X0 ุจุฏู‡ ูŠุณุงูˆูŠ Lู‡ุฐุง ู…ุง ูƒู†ุง ู†ู‚ูˆู„ู‡

337
00:32:35,430 --> 00:32:40,630
ููŠ ุงู„ุณูŠู‚ุดู† ุงู„ู…ุงุถูŠ ุงู„ุงู† ู†ู‚ูˆู„ู‡ ู†ูุณู‡ ุจุณ ุจุทุฑูŠู‚ุฉ ุฌุฏูŠุฏุฉ

338
00:32:40,630 --> 00:32:44,830
ูุจู‚ูˆู„ ุงู„ุชุนุฑูŠู ู…ุง ูŠุชูŠู„ุช ุงู„ f of x ุจูŠุจู‚ู‰ function

339
00:32:44,830 --> 00:32:48,890
ู…ุนุฑูุฉ ุนู„ู‰ open interval ูˆ ุงู„ open interval ุชุญุชูˆูŠ

340
00:32:48,890 --> 00:32:52,010
ุนู„ู‰ ุงู„ x node ูˆ ุนู†ุฏ ุงู„ x node ุงู„ุฏู„ุฉ ู…ู…ูƒู† ุชูƒูˆู†

341
00:32:52,010 --> 00:32:56,470
ู…ุนุฑูุฉ ูˆ ู…ู…ูƒู† ู…ุงุชูƒูˆู†ุด ู…ุนุฑูุฉ ุจูŠู‡ู…ู†ูŠุด ู„ุฃู† ุงู†ุง ุจุฏูŠ

342
00:32:56,470 --> 00:33:02,880
limit ุจุฏูŠุด ู‚ูŠู…ุฉ ุฏู„ุฉุจู‚ูˆู„ ุงู„ุงู† ุนู†ุฏ ุงู„ limit ุงู„ f of

343
00:33:02,880 --> 00:33:07,900
x ู„ู…ุง ุงู„ x ุชุฑูˆุญ ู„ู„ x non ุจุฏูŠ ูŠุณูˆู‰ ุงู„ ุชุนู†ูŠ ุงู†ู‡ ูŠุนู†ูŠ

344
00:33:07,900 --> 00:33:14,200
ุงู†ุง ุจุฏูŠ ุงุฌูŠุจ ุชุนุฑูŠู ุงู„ู‡ุง ุจุทุฑูŠู‚ุฉ ุฌุฏูŠุฏุฉ given epsilon

345
00:33:14,200 --> 00:33:19,140
greater than zero ุงุฐุง ุงุนุทูŠุช ุงุจุณู„ูˆู† greater than

346
00:33:19,140 --> 00:33:24,600
zero there exists delta greater than zero ุงูˆ delta

347
00:33:24,600 --> 00:33:25,840
greater than

348
00:33:28,460 --> 00:33:33,760
ุจุงู„ู†ุณุจุฉ ู„ู„ู€ x ู†ุงู‚ุต x0 ู‡ูˆ ุฃูƒุจุฑ ู…ู† 0 ู„ุฃู†ู‡ absolute

349
00:33:33,760 --> 00:33:40,860
ูˆููŠ ู†ูุณ ุงู„ูˆู‚ุช ุฃู‚ู„ ู…ู† ู…ูŠู† ุฏู„ุชุง ุฅู† ุญุฏุซ ุฐู„ูƒ ูŠุฌุจ ุฃู†

350
00:33:40,860 --> 00:33:43,680
ูŠูƒูˆู† ุงู„ูุฑู‚ ู…ุง ุจูŠู† f of x ูˆL

351
00:33:50,540 --> 00:33:55,480
ู‡ุฐุง ุงู„ูƒู„ุงู… ูŠุฌุจ ุฃู† ู†ูู‡ู…ู‡ ู…ู† ุฎู„ุงู„ ุงู„ุฑุณู… ูุจู‚ูˆู„ ูƒู„ ู…ุง

352
00:33:55,480 --> 00:34:01,640
ุงู‚ุชุฑุจุช ุงู„ X ู…ู† X node ูƒู„ ู…ุง ุงู‚ุชุฑุจุช ุงู„ F of X ู…ู†

353
00:34:01,640 --> 00:34:08,010
Delta ุฅุฐุง ู„ู…ุง ู†ูƒูˆู† ู‚ุฑูŠุจูŠู† ุฌุฏุง ุนู„ู‰ X nodeุจุตูŠุฑ ุงู„ f

354
00:34:08,010 --> 00:34:12,330
of x ู‚ุฑูŠุจุฉ ุฌุฏุง ุนู„ู…ูŠุง ุงู„ ูŠุจู‚ู‰ limit ุงู„ f of x ู„ู…ุง

355
00:34:12,330 --> 00:34:19,270
ุงู„ x ุจุชุฑูˆุญ ุงู„ x node ุจุฏูŠ ุณุงูˆู„ ุงู„ ูˆุงุถุญ ุชู…ุงู… ุทูŠุจ

356
00:34:19,270 --> 00:34:22,930
ูŠุจู‚ู‰ ุงุฐุง ุงู†ุช ูู‡ู…ุช ุฎู…ุณูŠู† ููŠ ุงู„ู…ูŠุฉ ู…ุนู†ุงุชู‡ ุงู†ุช very

357
00:34:22,930 --> 00:34:27,150
good ู…ุด very good excellentุทุจ ูˆ ุงู„ุฎู…ุณูŠู† ุงู„ุชุงู†ูŠุฉ

358
00:34:27,150 --> 00:34:30,910
ุจุฏู†ุง ู†ุฌูŠุจู‡ู… ู…ู† ูˆูŠู†ุŸ ุจุฏู†ุง ู†ุฌูŠุจู‡ู… ู…ู† ุงู„ุฃู…ุซู„ุฉ ูˆ ุฃุญู„

359
00:34:30,910 --> 00:34:35,270
ุงู„ู…ุณุงุฆู„ ูŠุจู‚ู‰ ุงู†ุชู‡ู‰ ุงู„ุฌุฒุก ุงู„ู†ุธุฑูŠ ุชุจุน ุงู„ section ู‡ุฐูŠ

360
00:34:35,270 --> 00:34:41,630
ุถุงูŠู„ ุฌุฒุฆูŠุฉ ุจุณูŠุทุฉ ุณู†ุชุนุฑุถ ู„ู‡ุง ุฎู„ุงู„ ู…ุญุงุถุฑุฉ ุงู„ูŠูˆู… ุงู†

361
00:34:41,630 --> 00:34:50,510
ุดุงุก ุงู„ู„ู‡ ูˆูŠู† ู‡ูˆ ุงู„ุฅุซุจุงุชุŸ ุชุจุน ุงู„ remark ู‡ูˆ ุฅุซุจุงุช

362
00:34:50,510 --> 00:34:57,060
ุฎุทูˆุฉ ูˆุงุญุฏุฉ ูˆ ุงู„ุชุงู†ูŠุฉ ูŠุงุฎุฏ limit ุฎู„ุตู†ุงุฃู‡ ู‚ุฏ ูŠูƒูˆู†

363
00:34:57,060 --> 00:35:00,820
ู„ูŠุด ู„ุฃ ู…ุด .. ูƒู„ ุญุงุฌุฉ ุจุฃุซุจุชู‡ุง ู„ูƒ ุจูŠุตูŠุฑ ู…ุทู„ูˆุจุŒ ู…ุง

364
00:35:00,820 --> 00:35:04,720
ุฃุซุจุชุชู‡ุง ุงูŠุด ู„ูƒุŸ ุฎู„ุต ุงู„ู…ุณุงู…ุฉ ุนูŠู†ูƒ ููŠู‡ุงู…ุงุดูŠ ูŠุง ุณูŠุฏูŠุŒ

365
00:35:04,720 --> 00:35:08,080
ู„ูƒู† ู„ุง ูŠุนู†ูŠ ู…ุทู„ูˆุจ ุฃู†ู‡ุง ุจุชุชูŠุฌูŠ ููŠ ุงู„ุงู…ุชุญุงู†ุŒ ุฃู†ุง

366
00:35:08,080 --> 00:35:12,180
ุจุฏูŠูƒ ุชูู‡ู… ุดุบู„ุงุช ุฃูˆ ุชุนุฑู ุดุบู„ุงุช ู…ุงูƒู†ุชุด ุจุชุนุฑูู‡ุง

367
00:35:12,180 --> 00:35:16,600
ุณุงุจู‚ุงุŒ ู‡ูŠ ุงู„ู„ูŠ ุจู‡ู…ู†ุงุŒ ูŠุนู†ูŠ ู‡ุงู„ู…ุฎุชุจุน ูƒุฏู‡ ุจุฏู†ุง ู†ู†ูุถู‡

368
00:35:16,600 --> 00:35:21,920
ูˆ ู†ูˆุงุตู„ูƒ ุดูˆูŠุฉุŒ ุงู†ูƒ ูƒู„ ูŠูˆู… ุจุชุงุฎุฏ ู…ุนู„ูˆู…ุงุช ุฌุฏูŠุฏุฉ ุฑุจู…ุง

369
00:35:21,920 --> 00:35:26,660
ู„ู… ุชุชุนุฑู ุนู„ูŠู‡ุง ููŠ ุงู„ุซุงู†ูˆูŠุฉ ุงู„ุนุงู…ุฉ ุฃูˆ ุณู„ูŠู‚ุช ุณู„ู‚ุง ููŠ

370
00:35:26,660 --> 00:35:31,450
ุงู„ุซุงู†ูˆูŠุฉ ุงู„ุนุงู…ุฉุŒ ุงุญู†ุง ุงู„ูŠูˆู…ู†ุทุจุฎ ู…ุฎูƒูƒ ุนู„ู‰ ู†ุงุฑ ู‡ุงุฏูŠุฉ

371
00:35:31,450 --> 00:35:37,490
ูˆู„ูŠุณ ุณู„ู‚ุงู†ุŒ ุชู…ุงู…ุŸ ู„ูŠุดุŸ ู„ุฃู† ุงู†ุช ุจุนุฏ ุฃุฑุจุน ุณู†ูŠู† ุฑุจู…ุง

372
00:35:37,490 --> 00:35:42,870
ุชู‚ู ู…ูƒุงู†ูŠ ููŠ ู‡ุฐุง ุงู„ู…ูƒุงู† ูˆ ุชุดุฑุญ ู†ูุณ ุงู„ูƒู„ุงู… ู„ู„ุทู„ุงุจ

373
00:35:42,870 --> 00:35:47,270
ูˆุงุฑุฏ ุฌุฏุง ุงู†ูƒ ุชุตูŠุฑ ู…ุนูŠุฏุŒ ุทุจุนุง ุฌูŠุจุช ุงู„ุฃูˆู„ ุนุฏูˆ ูู‚ุท

374
00:35:47,270 --> 00:35:51,610
ุงุชุชุŒ ุจุตูŠุฑ ู…ุนูŠุฏ ููŠ ุงู„ูƒู„ูŠุฉูˆุจุงู„ุชุงู„ูŠ ุจุตูˆุฑุฉ ุชุดุฑุญ ู‡ุฐุง

375
00:35:51,610 --> 00:35:55,190
ุงู„ูƒู„ุงู… ู„ู„ุทู„ุงุจ ููŠ ุงู„ discussion ู…ุด ุจุชุฑูˆุญ ุงู„

376
00:35:55,190 --> 00:35:58,770
discussion ูˆู„ุง ู„ุง ูˆุจุงู„ุชุงู„ูŠ ุฅุฐุง ุฃู†ุช ู…ุด ูุงู‡ู… ุงู„ูŠูˆู…

377
00:35:58,770 --> 00:36:04,070
ู‡ู„ ุจุชู‚ุฏุฑ ุชูู‡ู… ุจูƒุฑุงุŸ ู„ูŠุณ ู…ู…ูƒู† ู„ุฃู† ุงู„ู‚ุงุนุฏุฉ ู…ุนุฑูˆูุฉ

378
00:36:04,070 --> 00:36:09,070
ูุงู‚ุฏ ุงู„ุดูŠุก ู„ุง ูŠุนุทูŠู‡ ุงู„ู„ูŠ ู…ุงุนุฏุด ุฃุจุถุนุฉ ู…ู† ูˆู† ูŠุฌูŠุจ

379
00:36:09,070 --> 00:36:14,330
ุฃุจุถุนุฉ ูŠุตุฑู…ุนู†ุฏูˆุด ุฃุตู„ุง ุทูŠุจ ู†ุจุฏุฃ ู†ุงุฎุฏ ุจุนุถ ุฃู…ุซู„ุฉ ุนู„ู‰

380
00:36:14,330 --> 00:36:20,090
ู‡ุฐุง ูˆุณู†ุจุฏุฃ ุจุงู„ุชุณู„ุณู„ ุจุฃุจุณุท ุฃู†ูˆุงุน ุงู„ุฃู…ุซู„ุฉ ุซู… ู„ุง ุชู‚ู„

381
00:36:20,090 --> 00:36:25,470
ุดูˆูŠุฉ ุซู… ู„ุง ุชู‚ู„ ุดูˆูŠุฉ ู„ุบุงูŠุฉ ู…ุง ุชุณุชูˆุนุจ ุงู„ู…ูˆุถูˆุน ุจุฏู†ุง

382
00:36:25,470 --> 00:36:35,890
ู†ูŠุฌูŠ ู„ุฃูˆู„ ู…ุซุงู„ ุจูŠู‚ูˆู„ ู…ุง ูŠุฃุชูŠ ูŠุจู‚ู‰ example one show

383
00:36:35,890 --> 00:36:49,970
that showุฐุงุช limit ู„ู…ุง ุงู„ X ุจุฏู‡ุง ุชุฑูˆุญ ู„ู„ุฅุชู†ูŠู† ู„ุฏู„ุฉ

384
00:36:49,970 --> 00:36:56,070
ุฎู…ุณุฉ X ู†ุงู‚ุต ุฃุฑุจุน ูŠุณุงูˆูŠ ู…ูŠู†ุŸ ูŠุณุงูˆูŠ ุณุชุฉ

385
00:36:58,880 --> 00:37:03,920
ุจู‚ู‰ ุงุญู†ุง ู…ู‚ุชุฑุญูŠู† ุงู†ู‡ limit ู„ู‡ุฐู‡ ุงู„ุฏุงู„ุฉ ุจุฏู‡ ูŠุณุงูˆูŠ

386
00:37:03,920 --> 00:37:09,520
ุณุชุฉ ุจุฏู†ุง ู†ุชุฃูƒุฏ ู‡ุฐุง ุงู‚ุชุฑุงุญู†ุง ุตุญ ูˆู„ุง ู„ุฃ ู„ุฅู†ู‡ ู‚ู„ู†ุง

387
00:37:09,520 --> 00:37:13,840
ู‡ู†ุง ุฅูŠุด but we verify that the suspected limit is

388
00:37:13,840 --> 00:37:17,780
correct ูŠุนู†ูŠ ุงุญู†ุง ุจู†ุชุฃูƒุฏ ุงู†ู‡ limit ุงู„ู…ู‚ุชุฑุญ ู‡ุฐู‡

389
00:37:17,780 --> 00:37:22,290
ุตุญูŠุญุฉ ูˆู„ุง ู„ุฃุทุจุนุง ู„ูˆ ุฌุงุกูƒ ูƒุฏู‡ ุงู„ุณุคุงู„ ููŠ ุงู„ุงู…ุชุญุงู†

390
00:37:22,290 --> 00:37:26,270
ุจุชู‚ูˆู„ ูˆุงู„ู„ู‡ ุจุณูŠุท ุฏูŠุฏุง ุจู†ุนูˆุถ ู„ุฅู†ู‡ุง linear 2x5 ู‡ูˆ 10

391
00:37:26,270 --> 00:37:31,170
-7 ูŠุณุงูˆูŠ 6 ููŠ ุฎุงุทุฑูƒ ู…ุน ุงู„ุณู„ุงู…ุฉ ู„ุง ุงู†ุง ุจุฑูˆุญ ุจุตูŠู„ูƒ

392
00:37:31,170 --> 00:37:35,570
ุงู„ุณุคุงู„ ุตูŠุงุบุฉ ุฃุฎุฑู‰ ุจุฑูˆุญ ุจู‚ูˆู„ูƒ use epsilon delta

393
00:37:35,570 --> 00:37:41,750
definition to show that ุจูŠุจู‚ู‰ ู…ุด ููŠู‡ุง ูƒู„ุงู… ุจุชุนู…ู„

394
00:37:41,750 --> 00:37:47,120
ุฒูŠ ุฐุงูƒ ุจุชุงุฎุฏ zeroูŠุจู‚ู‰ ุถุฑูˆุฑูŠ ุชุชู‚ูŠุฏ ุจู…ุง ู‡ูˆ ู…ุทู„ูˆุจุŒ

395
00:37:47,120 --> 00:37:51,820
ู…ุงุดูŠ ูŠุง ุณูŠุฏูŠุŸ ุทูŠุจุŒ ุงู„ุขู† ุจุฏู†ุง ู…ุดุงู† ุชุญู„ ุงู„ุณุคุงู„ ุฃูˆ

396
00:37:51,820 --> 00:37:55,740
ู…ุดุงู† ุชุญูุธ ุงู„ definition ุงู„ู„ูŠ ู‡ุฐุง ุญุงูˆู„ ุชูƒุชุจู‡ ููŠู‡

397
00:37:55,740 --> 00:38:01,500
ู…ู‚ุฏู…ุฉ ูƒู„ ุณุคุงู„ ูˆุจุงู„ุชุงู„ูŠ ุจุชุฑุณุฎ ุงู„ู„ูŠ ู‡ูˆ ู…ุนู†ุงู‡ ุงู„ุชุนุฑูŠู

398
00:38:01,500 --> 00:38:07,440
ููŠ ุฏู…ุงุบู‡ุงุŒ ูุจู‚ู‰ ุงู„ู„ูŠ ู†ู‚ูˆู„ู‡ solution ุชุนุฑูŠู

399
00:38:09,780 --> 00:38:14,040
ุฅุจุณู„ูˆู† greater than zero ูŠุจู‚ู‰ ุฅุฐุง ูˆุถุนุช ุฅุจุณู„ูˆู†

400
00:38:14,040 --> 00:38:18,440
greater than zero there exists Delta greater than

401
00:38:18,440 --> 00:38:26,780
zero such that ุงู„ู€ zero ุฃู‚ู„ ู…ู† ุงู„ X ู†ุงู‚ุต ุงู„ X node

402
00:38:26,780 --> 00:38:33,200
ุฃู‚ู„ ู…ู† Delta implies ู‡ุฐุง ูŠุทู„ุจ ุฃู† ุงู„ absolute value

403
00:38:33,200 --> 00:38:39,940
ู„ู„ F of X ู†ุงู‚ุต ุงู„ L ุฃู‚ู„ ู…ู† ุฅุจุณู„ูˆู†ุงู„ุงู† ุจุฏู†ุง ู†ุจุฏุฃ

404
00:38:39,940 --> 00:38:46,140
ู†ุทุจู‚ ุชุนุฑูŠู ุนู…ู„ูŠุง ุจู‚ูˆู„ ู„ู‡ zero ุงู‚ู„ ู…ู† ุงู„ X ู†ุงู‚ุต

405
00:38:46,140 --> 00:38:49,540
ูŠุจู‚ู‰

406
00:38:49,540 --> 00:38:56,450
ุจุดูŠู„ู‡ุง ูˆ ุจุญุท ู…ูƒุงู†ู‡ุง ุงุชู†ูŠู† ุงู‚ู„ ู…ู† ุฏู„ุชุฉ ู…ุฌู‡ูˆู„ุฉูŠุจู‚ู‰

407
00:38:56,450 --> 00:39:03,770
ุฅุจุณู„ ุงู„ู…ูˆุงุทุน ุฏู„ุชุง ู…ุฌู‡ูˆู„ุฉ ู‡ุฐุง ูŠุชุทู„ุจ f of x ุงู„ู„ูŠ ู‡ูŠ

408
00:39:03,770 --> 00:39:11,910
ุฎู…ุณุฉ x ู†ุงู‚ุต ุงู„ุฃุฑุจุนุฉ ู†ุงู‚ุต ุงู„ L ุงู„ู„ูŠ ู‡ูŠ ู‚ุฏุงุด ุณุชุฉ ุฃู‚ู„

409
00:39:11,910 --> 00:39:21,990
ู…ู† ู…ูŠู†ุŸ ุฃู‚ู„ ู…ู† ุงู„ุฅุจุณู„ ุจุนุฏ ุฐู„ูƒ ุณูŠุจู„ูŠ ู‡ุฐู‡ ูƒู…ุง ู‡ูŠูˆ

410
00:39:21,990 --> 00:39:26,610
ุจุฑูˆุญ ู†ุดุชุบู„ ููŠ ู…ูŠู†ุŸ ููŠ ุงู„ุงู†ู‚ู„ุฉ ุงู„ู„ูŠ ุนู†ุฏู†ุง ู‡ู†ุง ูุจุงุฌูŠ

411
00:39:26,610 --> 00:39:32,750
ุจู‚ูˆู„ ู„ู‡ ู‡ุฐู‡ ุจุฏู‡ุง ุชุนุทูŠูƒ absolute value ู„ุฎู…ุณุฉ X ู†ุงู‚ุต

412
00:39:32,750 --> 00:39:39,290
ุฃุฑุจุนุฉ ูˆ ู†ุงู‚ุต ุณุชุฉ ูˆ ู†ุงู‚ุต ุนุดุฑุฉ ุชู…ุงู…ุŸ ุงู„ู„ูŠ ู‡ูŠ ุจุฏู‡ุง

413
00:39:39,290 --> 00:39:46,120
ุชุณุงูˆูŠ absolute value ู„ุฎู…ุณุฉ ููŠ X ู†ุงู‚ุต ุงุชู†ูŠู†ุงู„ู„ูŠ ู‡ูŠ

414
00:39:46,120 --> 00:39:52,140
ุจุฏุฃ ุชุณุงูˆูŠ ุฎู…ุณุฉ ููŠ absolute value ู„ู„ X ู†ุงู‚ุต ุงุชู†ูŠู†

415
00:39:52,140 --> 00:39:58,360
ูˆูƒู„ ู‡ุฐุง ุงู„ูƒู„ุงู… ุงู‚ู„ ู…ู† main ุงู‚ู„ ู…ู† epsilon ู„ุญุฏ ู‡ู†ุง

416
00:39:58,360 --> 00:40:03,580
ููŠ ู…ุดูƒู„ุฉ ู…ุงุนู†ุฏูŠุด ู…ุดูƒู„ุฉ ูƒู„ู‡ ู…ุจุงุดุฑุฉ ุทูŠุจ ุจู†ุญุจ ู†ุญูŠุท

417
00:40:03,580 --> 00:40:08,700
ุงูƒุงู„ู… ุงู† ู‡ุฐุง ุงู„ู…ุซุงู„ ู‡ูˆ ุงุจุณุท ุงู†ูˆุงุน ุงู„ุฃู…ุซู„ุฉ ุนู„ู‰

418
00:40:08,700 --> 00:40:12,060
ุงู„ู…ูˆุถูˆุน ู…ุงุดูŠ ุทูŠุจ ุงู„ุงู†

419
00:40:14,780 --> 00:40:19,740
ู…ู…ูƒู† ู†ู‚ุณู… ุงู„ุทุฑููŠู† ุนู„ู‰ ุฎู…ุณุฉ ุฅุฐุง ู„ูˆ ุฌุณู…ู†ุง ุงู„ุทุฑููŠู†

420
00:40:19,740 --> 00:40:24,100
ุนู„ู‰ ุฎู…ุณุฉ ุฅูŠุด ุจูŠุตูŠุฑ ุนู†ุฏู†ุง absolute value ู„ู„ X ู†ุงู‚ุต

421
00:40:24,100 --> 00:40:30,160
ุงุชู†ูŠู† ุฃู‚ู„ ู…ู† epsilon ุนู„ู‰ ุฎู…ุณุฉ ุงุชุทู„ุนู„ูŠ ููŠ ุงู„ู†ุชูŠุฌุฉ

422
00:40:30,160 --> 00:40:35,060
ุงู„ุชูŠ ุชูˆุตู„ู†ุง ุฅู„ูŠู‡ุง ู‡ุฐู‡ ูˆ ุงุชุทู„ุนู„ูŠ ููŠ ุงู„ู†ุชูŠุฌุฉ ุงู„ุทุฑู

423
00:40:35,060 --> 00:40:40,520
ุงู„ุดู…ุงู„ ู…ุด ู‡ูˆ ุงู„ุทุฑู ุงู„ุดู…ุงู„ ุงู„ู„ูŠ ู‡ู†ุงุทุฑู ุงู„ุดู…ุงู„ ู‡ู†ุง

424
00:40:40,520 --> 00:40:45,400
ู…ุดู‡ูˆุฑ ุทุฑู ุงู„ุดู…ุงู„ ู‡ู†ุง ูŠุนู†ูŠ ุดุบู„ุชู†ุง ุจุฏู†ุง ู†ุฑูˆุญ ู†ู…ุณูƒ

425
00:40:45,400 --> 00:40:49,600
ุงู„ุทุฑู ู‡ุฐุง ุงู„ู„ูŠ ููŠ ุงู„ูŠู…ูŠู† ูˆ ู†ู‚ุนุฏ ู†ููƒููƒ ููŠู‡ ู„ุบุงูŠุฉ ู…ุง

426
00:40:49,600 --> 00:40:55,100
ูˆุตู„ ู„ุดูƒู„ ู…ูŠู† ุดูƒู„ ุงู„ุทุฑู ุงู„ุดู…ุงู„ุฃูˆู„ ู…ุง ุจุฏุฃุช ู…ุนุงูƒ

427
00:40:55,100 --> 00:40:59,100
ุงู„ูƒู„ุงู… ุงู„ูŠูˆู… ู‚ู„ุช ู„ูƒ given epsilon greater than

428
00:40:59,100 --> 00:41:03,320
zero there exists delta greater than zero ูŠุจู‚ู‰ ุญุณุจ

429
00:41:03,320 --> 00:41:07,200
epsilon ุงู„ู„ูŠ ุจุชุงุฎุฏู‡ุง ุจูŠุทู„ุน ู…ูŠู† ุฏู„ุชุง ูŠุนู†ูŠ ุฏู„ุชุง

430
00:41:07,200 --> 00:41:12,900
ุชุนุชู…ุฏ ุนู„ู‰ ู…ูŠู† ุชุนุชู…ุฏ ุนู„ู‰ epsilon ู…ู† ู‡ุฐู‡ ุจู‚ุฏุฑ ุฃู‚ูˆู„ู‡

431
00:41:12,900 --> 00:41:23,020
ุฅุฐุง ุณุง ุฏู„ุชุง ูŠุณุงูˆูŠ epsilon ุนู„ู‰ ุฎู…ุณุฉุงู„ุทุฑู ุงู„ูŠู…ูŠู† ู‡ูˆ

432
00:41:23,020 --> 00:41:27,800
ุงู„ุทุฑู ุงู„ูŠู…ูŠู† ู„ุฃู† ู‡ุฐุง ุจุงู„ุถุจุท ุชู…ุงู…ุง ูŠุจู‚ู‰ ุฏู„ุชุง ู…ู…ูƒู†

433
00:41:27,800 --> 00:41:32,480
ุงุฎุฏู‡ุง ุงุจุณู„ูˆู† ุนู„ู‰ ุฎู…ุณุฉ ูŠุจู‚ู‰ ุทุงู„ุน ุงู„ุฏู„ุชุง ุชุนุชู…ุฏ ุนู„ูŠ

434
00:41:32,480 --> 00:41:37,120
ู…ูŠู†ุชุนุชู…ุฏ ุนู„ู‰ ู‚ูŠู…ุชู‡ ุจุณ ู‡ูˆ ู„ุฐู„ูƒ ุงู„ุณุจุนูŠู† ุทุงู„ุจ ุงู„ู„ูŠ

435
00:41:37,120 --> 00:41:42,700
ุฌุงุนุฏูŠู† ู‚ุฏุงู…ูŠ ู„ูˆ ูƒู„ ูˆุงุญุฏ ููŠู‡ู… ุฃุฎุฏ epsilon ุชุฎุชู„ู ุนู†

436
00:41:42,700 --> 00:41:47,100
ุงู„ุชุงู†ูŠุฉ ู‡ูŠุทู„ุน ุนู†ุฏูŠ ุณุจุนูŠู† delta ุจุชุฎุชู„ู ุนู† ุงู„ุชุงู†ูŠุฉ

437
00:41:47,100 --> 00:41:51,380
ูŠุนู†ูŠ ุงูŠุดุŸ ูŠุนู†ูŠ ู„ู…ุง ุงู„ X ุจุฏู‡ ุชุฑูˆุญ ู„ู„ X node ูˆุงุญุฏ

438
00:41:51,380 --> 00:41:55,040
ูŠุฏุฎู„ ุงู„ู…ุณุงูุฉ ุจูŠู†ู‡ ูˆุจูŠู†ู‡ุง ุฃุฑุจุนุฉ ุตู†ุทูŠู† ูˆุงุญุฏ ูŠุฏุฎู„

439
00:41:55,040 --> 00:41:59,020
ุงู„ู…ุณุงูุฉ ุจูŠู†ู‡ ูˆุจูŠู†ู‡ุง ุชู„ุงุชุฉ ูˆู†ุต ูˆุงุญุฏ ูŠุฏุฎู„ ุงู„ู…ุณุงูุฉ

440
00:41:59,020 --> 00:42:02,780
ุจูŠู†ู‡ ูˆุจูŠู†ู‡ุง ุงุชู†ูŠู† ุตู†ุทูŠู†ูˆุงุญุฏ ูŠุฎู„ูŠ ู…ุณุงูุฉ ู…ู†ู‡ ุจูŠู†ู‡ุง

441
00:42:02,780 --> 00:42:06,720
ูˆุงุญุฏ ูˆ ุชู„ุช ุงุฑุจุนุฉ ุตู†ุทูŠ ูˆุงุญุฏ ูŠุฎู„ูŠู‡ุง ุตู†ุทูŠ ูˆุงุญุฏ ูˆุงุญุฏ

442
00:42:06,720 --> 00:42:10,820
ูŠุฎู„ูŠู‡ุง ู†ุต ุตู†ุทูŠ ูˆุงุญุฏ ูŠุฎู„ูŠู‡ุง ูˆุงุญุฏ ู…ู† ุนุดุฑุฉ ุตู†ุทูŠ ูŠุนู†ูŠ

443
00:42:10,820 --> 00:42:15,720
ู…ูŠู„ูŠ ูˆุงุญุฏ ูˆู‡ูƒุฐุง ูŠุนู†ูŠ ุฌุฏุงุด ุจุชุงุฎุฏ ุงุจุณู†ู† ุฌุฏุงุด ุจุชุทู„ุน

444
00:42:15,720 --> 00:42:20,080
ุงู„ู„ูŠ ู‡ูˆ ุฌุฏุงุด ุจุชุงุฎุฏ ุงุจุณู†ู† ุฌุฏุงุด ุจุชุทู„ุน ุนู†ุฏูƒ ู…ูŠู† ุฏู„ุชุง

445
00:42:20,080 --> 00:42:26,160
ูˆู‡ูƒุฐุง ุชู…ุงู… ูˆุงุจุนุช ุงู„ุตูˆุฑุฉ ุทูŠุจูˆุงู†ุชูˆุง ููŠ ุงู„ุตู ุงู„ุณุงุจุน

446
00:42:26,160 --> 00:42:30,480
ูˆุงู„ุซุงู…ู† ุจุฌูŠุชูˆุง ู„ู…ุง ุชุญู„ูˆุง ู…ุนุงุฏู„ุฉ ูˆ ุชุชุฃูƒุฏ ุญุงู„ูƒ ุตุญ

447
00:42:30,480 --> 00:42:35,460
ูˆู„ุง ุบู„ุท ู…ู…ูƒู† ุชุฑูˆุญูˆุง ุชู‚ูˆู„ูˆุง ุงู„ุชุญู‚ูŠู‚ ู…ุด ู‡ูŠูƒ ูˆู…ู…ูƒู†

448
00:42:35,460 --> 00:42:39,180
ุชุฑูˆุญูˆุง ุชุชุญู‚ู‚ ู‡ู„ ุงู„ุฅุฌุงุจุฉ ุชุจู‚ู‰ ุชุฃูƒุฏ ุตุญ ูˆู„ุง ู„ุง ุงุญู†ุง

449
00:42:39,180 --> 00:42:43,740
ุจุฏู†ุง ู†ุฌุฑูŠ ุชุญู‚ูŠู‚ ุงู„ุงู† ูˆุงุณุน ุงู„ู†ุทุงู‚ ู…ุน ู…ูŠู† ู…ุน ุงู„ู†ุชูŠุฌุฉ

450
00:42:43,740 --> 00:42:48,540
ุงู„ู„ู‰ ุชูˆุตู„ู†ุง ู„ู‡ุง ุงุญู†ุง ู„ุญุฏ ู‡ู†ุง ุงู†ุชู‡ูŠู†ุง ู„ูƒู† ุงุญู†ุง ุงู„ุงู†

451
00:42:48,540 --> 00:42:55,050
ุจุฏู†ุง ู†ุนู…ู„ ุชุญู‚ูŠู‚ ู†ุชุฃูƒุฏ ู…ู†ู‡ ู‡ู„ ุงู„ู†ุชูŠุฌุฉุงู„ุชูŠ ุชูˆุตู„ู†ุง

452
00:42:55,050 --> 00:43:00,510
ุฅู„ูŠู‡ุง ุตุญูŠุญุฉ ุฃู… ุงู„ู†ุชูŠุฌุฉ ุงู„ุชูŠ ุชูˆุตู„ู†ุง ุฅู„ูŠู‡ุง ุบูŠุฑ

453
00:43:00,510 --> 00:43:08,210
ุตุญูŠุญุฉุŸ ู‡ุฐู‡ ู…ุฌุฑุฏ ุชุฃูƒูŠุฏ ู„ูŠุณ ุฅุฐุง ูŠุจู‚ู‰ ุจุญุท ู„ู‡ ุนู†ูˆุงู†

454
00:43:08,210 --> 00:43:17,340
ุตุบูŠุฑ ูˆ ุจู‚ูˆู„ู‡ showing that delta worksูŠุนู†ูŠ ุจุฏูŠ

455
00:43:17,340 --> 00:43:22,520
ุงุจูŠู„ู‡ ุงู† ุฏู„ุชุง ุงู„ู„ู‰ ุญุตู„ู†ุง ุนู„ูŠู‡ุง ุงูŠุจุณู„ูˆู† ุนู„ู‰ ุฎู…ุณุฉ

456
00:43:22,520 --> 00:43:29,700
ุชุคุฏูŠ ู„ุบุฑุถ ู‚ู„ ู…ุทู„ูˆุจ ุจู‚ูˆู„ู‡ ุชู…ุงู… ุงุฐุง ุงู†ุง ุจุงุฌูŠ zero

457
00:43:29,700 --> 00:43:38,700
ุงู‚ู„ absolute value ู„ู„ X ู†ุงู‚ุต ูƒู… ูƒุงู† ู†ุงู‚ุต ุงู‚ู„ ู…ู†

458
00:43:38,700 --> 00:43:52,230
ุฏู„ุชุง ูƒู… ุฏู„ุชุง ุงุฎุฏุชู‡ุง ุงูŠุจุณู„ูˆู† ุนู„ู‰ ุฎู…ุณุฉF of X ู‡ูˆ 5X

459
00:43:52,230 --> 00:44:01,590
ู†ุงู‚ุต 4 ู†ุงู‚ุต 6 ูู‡ุฐุง

460
00:44:01,590 --> 00:44:09,460
ุงู„ู…ู‚ุฏุฑ ูŠุฌุจ ุฃู† ูŠูƒูˆู† ุฃู‚ู„ ู…ู† Epsilonุจู‚ูˆู„ ูƒูˆูŠุณ ู‡ุฐุง ุจุฏู‡

461
00:44:09,460 --> 00:44:17,460
ูŠุณุงูˆูŠ ุฎู…ุณุฉ X ู†ุงู‚ุต ุนุดุฑุฉ ู‡ุฐุง ุจุฏู‡ ูŠุณุงูˆูŠ ุฎู…ุณุฉ X ู†ุงู‚ุต

462
00:44:17,460 --> 00:44:24,220
ุงุชู†ูŠู† ู‡ุฐุง ุจุฏู‡ ูŠุณุงูˆูŠ ุฎู…ุณุฉ absolute value ู„ X ู†ุงู‚ุต

463
00:44:24,220 --> 00:44:33,910
ุงุชู†ูŠู†ู‡ุฐู‡ ุฃู‚ู„ ู…ู† ุฅุจุณู„ูˆู† ุนู„ู‰ ุฎู…ุณุฉ ุฅุฐุง ู‡ุฐุง ุฃู‚ู„ ู…ู† ู‡ุฐู‡

464
00:44:33,910 --> 00:44:40,310
ุงู„ุฎู…ุณุฉ ุงู„ู„ูŠ ุจุฑุง ูˆู‡ุฐู‡ ุฅุจุณู„ูˆู† ุนู„ู‰ ุฎู…ุณุฉ ู‡ุฐู‡ ุงู„ู„ูŠ ู‡ูŠ

465
00:44:40,310 --> 00:44:45,940
ู‚ุฏุด ุชุณุงูˆูŠ ุฅุจุณู„ูˆู†ูŠุจู‚ู‰ ูุนู„ุง ุงู„ูุฑู‚ ู…ุง ุจูŠู† ุงู„ุงุชู†ูŠู†

466
00:44:45,940 --> 00:44:53,920
ู‡ุฏูˆู„ ุณูˆุงุก ุงู„ุฎู…ุณุฉ x ู†ุงู‚ุต ุงู„ุฃุฑุจุนุฉ ู†ุงู‚ุต ุงู„ุณุชุฉ ุฃู‚ู„ ู…ู†

467
00:44:53,920 --> 00:44:58,680
ู…ูŠู† ู…ู† ุฅุจุณู„ู† ูŠุนู†ูŠ ู„ู…ุง ู†ุงุฎุฏ delta ุจุฅุจุณู„ู† ุนู„ู‰ ุฎู…ุณุฉ

468
00:44:58,680 --> 00:45:02,460
ุงู„ู†ุชูŠุฌุฉ ูุนู„ุง ุจุตูŠุฑ ุงู„ูุฑู‚ ุจูŠู† ุงู„ููˆููƒุณ ูˆุฅูŠู‡ ุงู„ู…ุงู„ู‡

469
00:45:02,460 --> 00:45:07,530
ุฃู‚ู„ ู…ู† ุฅุจุณู„ู†ูŠุจู‚ู‰ ู‡ู‰ ุชุญู‚ู‚ู†ุง ู…ู† ุงู† ุงู„ูƒู„ุงู… ุงู„ู„ู‰

470
00:45:07,530 --> 00:45:15,770
ุนู…ู„ู†ุงู‡ ุตุญูŠุญ ูŠุจู‚ู‰ ุจู‚ูˆู„ู‡ ุชุฃูƒุฏู†ุง thus limit ู„ุฎู…ุณุฉ X

471
00:45:15,770 --> 00:45:21,470
ู†ุงู‚ุต ุฃุฑุจุนุฉ ู„ู…ุง ุงู„ X ุจุฏู‰ ูŠุฑูˆุญ ู„ุงุชู†ูŠู† ุจุฏู‰ ูŠุณุงูˆูŠ ุณุชุฉ

472
00:45:21,470 --> 00:45:27,490
ุจุฏู‰ ุงุณุฃู„ูƒูˆุง ุงู„ุณุคุงู„ ุงู„ุชุงู„ู‰ู‡ู„ ุงุญู†ุง ุจุดุบู„ ู‡ุฐุง ุญุณุจู†ุง

473
00:45:27,490 --> 00:45:32,310
limit ู„ุฏู‰ ุงู„ู„ู‡ุŸ ู„ุฃ ุงุญู†ุง ุจุณ ุชุฃูƒุฏู†ุง ุงู† ุงู„ limit ุตุญูŠุญ

474
00:45:32,310 --> 00:45:35,810
ุงู„ู„ูŠ ู„ูŠุณ ุงู„ุงุŒ ุงุฐุง ููŠ ู‡ุฐุง ุงู„ section ูƒุชุจุชู„ูƒ ุงูˆู„

475
00:45:35,810 --> 00:45:39,770
ุณุทุฑูŠู† ุงุญู†ุง ู‡ู†ุง ุจู†ุญุณุจุด limit ููŠ ู‡ุฐุง ุงู„ section ุจู„

476
00:45:39,770 --> 00:45:44,290
ุจู†ุชุฃูƒุฏ ู‡ู„ ุงู„ limit ุงู„ู„ูŠ ุนู…ู„ู†ุงู‡ุง ุงูˆ ุงู„ู…ุนุทุงู‡ุง ู‡ู„ ู‡ูŠ

477
00:45:44,290 --> 00:45:46,250
ุตุญูŠุญุฉ ุงูˆ ู„ุงุŒ ุงูŠุด ุจุฏูƒ ุชุณุฃู„ุŸ

478
00:45:50,070 --> 00:45:55,390
ุงู†ุช ู„ุณู‡ ููŠ ุงูˆู„ ุงู„ุทุฑูŠู‚ ูŠุง ุฑุงุฌู„ ุงุตุจุฑ ุงุตุจุฑ ุดูˆูŠุฉ ูƒู„ ู…ุง

479
00:45:55,390 --> 00:46:00,470
ุงู†ุช ุงุฌู„ูƒ ุดูˆูŠุฉ ุตุจุฑูƒ ุจุงู„ู„ู‡ ุดูˆูŠุฉ ุงุญู†ุง ุจู†ู‚ูˆู„ูƒ ูŠุงู‡ ุจุฏูŠ

480
00:46:00,470 --> 00:46:04,690
ูŠุนุทูŠูƒ ุณูุฑู‡ ุจุฏูŠ ูŠุนุทูŠูƒ ู†ู‡ุงูŠุฉ ุณูˆู‰ ู‚ูŠู…ุฉ ู…ุญุฏุฏุฉ ู‡ูŠ ุงู„ุตูุฑ

481
00:46:04,690 --> 00:46:06,210
ุนู„ู‰ ุตูุฑ ู‚ูŠู…ุฉ ู…ุญุฏุฏุฉ

482
00:46:08,980 --> 00:46:13,120
ู‡ุฐุง ุฅุฐุง ุงุณุชุฎุฏู…ุช ุทุฑู‚ ู…ุฎุชู„ูุฉุŒ ุตุญูŠุญ ุงู„ุญุณุงุจุŒ ุจุนุฏูŠู†

483
00:46:13,120 --> 00:46:16,820
ุงู†ุทู„ู‚ Zero ุน ZeroุŒ ู„ูƒู† ู…ู† ุงู„ุจุฏุงูŠุฉ ุจูŠู‚ูˆู„ูƒ limit

484
00:46:16,820 --> 00:46:22,480
ูƒุฐุงุŒ ุจูŠู‚ูˆู„ูƒ ุณูˆู‰ ูƒุฐุงุŒ ู…ุงูŠู‚ูˆู„ุด ู…ุด ุตุญูŠุญุŒ ู„ุฃุŒ ุชุฌุจ ุตุญูŠุญ

485
00:46:22,480 --> 00:46:26,620
ูƒุฐุงุŒ ู…ุด ุตุญูŠุญุŒ

486
00:46:26,620 --> 00:46:29,900
ูŠุฑุงุฏ ุงู„ู„ูŠ ุจูŠุนุทูŠูƒ ุฏู‡ุŒ ุงู„ู„ูŠ ุจูŠู‚ูˆู„ูƒ ุจูŠู„ุŒ ุงู† limit

487
00:46:29,900 --> 00:46:34,560
ู„ู‡ุฐู‡ุŒ ุฏู‡ ู„ุง ูŠุณูˆู‰ ูƒุฐุงุŒ ุชู…ุงู…ุŸ ูƒุงู†ุช ุตูุฑ ุนู„ู‰ ุตูุฑ ูƒุงู†ุชุŒ

488
00:46:34,560 --> 00:46:39,400
ู…ุด ุนุงุฑู ุฅูŠู‡ุŒ ุจุฏูƒ ุชุซุจุช ู‡ุงู„ ุงู†ุชุŒ ุชู…ุงู…ุŸุทูŠุจ ู†ุนุทูŠูƒ ู…ุซุงู„

489
00:46:39,400 --> 00:46:44,200
ุขุฎุฑ ุฃุชู‚ู„ ุดูˆูŠุฉุŒ ุจุฏูŠ ุฃุนุชุจุฑ ุฃู†ู‡ ุญุชู‰ ู„ุฃู† ู…ู† ู‡ุฐู‡

490
00:46:44,200 --> 00:46:48,180
ุงู„ู…ุซุงู„ุฉ ู…ุงูู‡ู…ุชุด ูˆู„ุง ูƒู„ู…ุฉุŒ ูƒูˆูŠุณุŸ ูˆ ุจุฏูŠ ุฃุชู‚ู„ูƒ ุดูˆูŠุฉ ูˆ

491
00:46:48,180 --> 00:46:52,900
ุดูˆูŠุฉุŒ ุชูู‡ู… ูˆู„ุง ู„ุงุŸ ู‚ูˆู„ ู…ู†

492
00:46:52,900 --> 00:46:58,900
ูˆูŠู† ุฌุจุชู‡ุงุŸ ู„ูŠู‡ ูˆ ุฅูŠู‡ุŸ ุดุงูŠู ู‡ุฐู‡ ูˆู„ุง ู„ุงุŸ ูˆ ุฃุนุทูŠูƒ

493
00:46:58,900 --> 00:47:04,460
ุณุจุนุฉ ุงู„ู„ู‡ ุชุถุฑุจ ููŠ ุฎู…ุณ ูˆู„ุง ู„ุงุŸ ุชุถุฑุจ ููŠ ุฎู…ุณ ูŠู„ุงุŒ ูˆู‡ูˆ

494
00:47:04,460 --> 00:47:15,060
ุงู„ู…ุทู„ูˆุจุŒ ู‡ุฐุง ู‡ูˆ ุณุคุงู„ูƒู„ุฃ ู…ุง ู‚ู„ุช ุฃู‚ู„ ู…ู†ู‡ุงุŒ ู‡ุฐู‡ ุฃู‚ู„ุŒ

495
00:47:15,060 --> 00:47:20,640
ูŠุจู‚ู‰ ู‡ุฐู‡ ุฃู‚ู„ุŒ ุชู…ุงู…ุŸ ุตุงุฑ ุงู„ุทุฑู ุงู„ุดู…ุงู„ ู‡ูˆ ุงู„ุทุฑู

496
00:47:20,640 --> 00:47:25,200
ุงู„ุดู…ุงู„ุŒ ุฅุฐุง ุงู„ุทุฑู ุงู„ู„ูŠู…ูŠู† ู‡ูˆ ุงู„ุทุฑู ุงู„ูŠู…ูŠู†ุŒ ู…ุธุจูˆุทุŸ

497
00:47:29,110 --> 00:47:34,530
ุฎุทูˆุงุช ุชุนู…ู„ู‡ุง ู„ุชุชุฃูƒุฏ

498
00:47:34,530 --> 00:47:36,750
ุฃู† ูƒู„ุงู…ูƒ ุตุญูŠุญ

499
00:47:54,920 --> 00:48:09,760
Use Epsilon Delta Definition To Show That Limit

500
00:48:09,760 --> 00:48:13,120
ู„ู…ุง

501
00:48:13,120 --> 00:48:20,880
ุงู„ X ุจุฏุฃ ุชุฑูˆุญ ู„ู„ ุณุจุนุฉ ู„ู„ุฌุฐุฑูŠ ุงู„ุชุฑุงุจูŠุนูŠ ู„ู„ X ู†ุงู‚ุต

502
00:48:20,880 --> 00:48:22,540
ุชู„ุงุชุฉ ูŠุณุงูˆูŠ ุงุชู†ูŠู†

503
00:48:53,150 --> 00:48:56,910
ุฎู„ู‘ูŠ ุจุงู„ุง ูƒุฏุง ุงู„ุณุคุงู„ ุงู„ู„ูŠ ูˆุงุฌู‡ุชูƒ ุงู„ู„ูŠ ู…ุถุญูƒ ุนู†ู‡

504
00:48:56,910 --> 00:49:00,990
ู…ู…ูƒู† ูŠูƒูˆู† ุจู‡ุฐู‡ ุงู„ุตูŠุบุฉ use epsilon delta definition

505
00:49:00,990 --> 00:49:04,490
to show data ูˆูŠุนุทูŠูƒ ู…ุซู„ ุงูŠุด ู…ุง ูŠูƒูˆู† ุดูƒู„ู‡ุง ูŠูƒูˆู†

506
00:49:04,490 --> 00:49:10,150
ุจู‡ู…ู†ุดุทูŠุจ ุจุฏู†ุง ู†ุจุฏุฃ ุจู†ูุณ ู…ุจุงุฏูŠุฑู†ุง ููŠ ุงู„ู…ุซุงู„ ุงู„ุณุงุจู‚

507
00:49:10,150 --> 00:49:16,550
ูŠุจู‚ู‰ ุจุงู„ุฏุฑุฌุฉ ุงู‚ูˆู„ู‡ given epsilon greater than zero

508
00:49:16,550 --> 00:49:22,430
there exists delta greater than zero such that

509
00:49:22,430 --> 00:49:31,870
ุจุญูŠุซ ุงู† f0 ุงู‚ู„ ู…ู† ุงู„ X ู†ู‚ุต ุงู„ X node ุงู‚ู„ ู…ู† ุฏู„ุชุง

510
00:49:31,870 --> 00:49:39,340
implies ุงู† ุงู„ F of Xู†ู‚ุต ุงู„ L ุฃู‚ู„ ู…ู† ู…ูŠู† ู…ู† ุฅุจุณู„ูˆู†

511
00:49:39,340 --> 00:49:46,600
ุทุจ ู†ุฌูŠ ู†ุนูˆุถ ู‡ู†ุง ูŠุจู‚ู‰ Zero ุฃู‚ู„ ู…ู† ุงู„ X ู†ู‚ุต ุงู„ X

512
00:49:46,600 --> 00:49:53,590
node ุงู„ X node ุนู†ุฏูŠ ู‡ู†ุง ูƒุฏู‡ุŸ ุณุจุนุฉ ุชู…ุงู…ุฃู‚ู„ ู…ู† ุฏู„ุชุง

513
00:49:53,590 --> 00:49:57,930
ู…ุด ุนุงุฑูู‡ุง ุจุฏูŠ ุงูŠุงู‡ุง ู‡ุฐุง ุจุฏูŠ ูŠุชุทู„ุจ absolute value

514
00:49:57,930 --> 00:50:02,570
ู„ู„ F of X ุงู„ู„ูŠ ู‡ูˆ ุงู„ุฌุฏุฑู‰ ุงู„ุชุฑุจูŠุฉ ู„ู„ X ู†ุงู‚ุต ุซู„ุงุซุฉ

515
00:50:02,570 --> 00:50:10,230
ู†ุงู‚ุต ุงู„ูˆู„ูŠ ุงุชู†ูŠู† ุฃู‚ู„ ู…ู† ู…ูŠู† ุฃู‚ู„ ู…ู† ุฅุจุณู„ูˆู†ู‡ุฐุง

516
00:50:10,230 --> 00:50:12,910
ุงู„ุณุคุงู„ ู„ูŠุณ ู…ุซู„ ุงู„ุณุคุงู„ ุงู„ุณุงุจู‚ ุฎุฏ ุนู…ู„ ู…ุดุงุฑูƒุฉ ุฑูˆุญ

517
00:50:12,910 --> 00:50:18,890
ูŠุทู„ุน ู…ุนุงูƒ ุฏุบุฑูŠ ูŠุจู‚ู‰ ุจุฏู‡ ุงุฑูˆุญ ุงููƒุฑ ุงู†ุง ุจุฏู‡ ู‡ู†ุง ุงุฎู„ู‚

518
00:50:18,890 --> 00:50:24,630
ููŠ ู‡ุฐุง ุงู„ุทุฑู ู„ู…ุงูŠู† ุงู„ X ู†ุงู‚ุต ุณุจุนุฉ ุจุฏู‡ ู‡ู†ุง ูŠูƒูˆู† X

519
00:50:24,630 --> 00:50:29,270
ู†ุงู‚ุต ุณุจุนุฉ ูŠุจู‚ู‰ ุงูˆู„ ู…ุง ุจูŠุฌูŠ ููŠ ู„ู…ุงูŠู† ุงุถุฑุจ ููŠ

520
00:50:29,270 --> 00:50:34,170
ุงู„ู…ุฑุงูู‚ ุชู…ุงู… ูŠุจู‚ู‰ ุจุงุฌูŠ ุจู‚ูˆู„ู‡ ู‡ุฐุง ุจุฏู‡ ูŠุนุทูŠู†ุง

521
00:50:34,170 --> 00:50:35,350
absolute value

522
00:50:52,330 --> 00:51:00,030
ู…ุง ู„ู‡ ู‡ุฐุง ู‡ุฐุง ุงู‚ู„ ู…ู† ุงุจุณู„ุงู† ุงุฐุง ุงูŠุด ุงู„ู„ูŠ ุตุงุฑ ุนู†ุฏู†ุง

523
00:51:08,490 --> 00:51:15,330
ุฃู‚ู„ ู…ู† X ู†ู‚ุต ุณุจุนุฉ ุฃู‚ู„ ู…ู† Delta implies

524
00:51:23,400 --> 00:51:28,220
ูุฑู‚ ุจูŠู† ุงู„ู…ุฑุจุนูŠู† ุฅุฐุง ุจุงู„ุฏุฑุฌุฉ ู„ุฃุตู„ู‡ ู…ุฑุจุน ุงู„ุฃูˆู„ู‰

525
00:51:28,220 --> 00:51:33,980
ู†ุงู‚ุต ู…ุฑุจุน ุงู„ุซุงู†ูŠุฉ ุฅุฐุง ุงู„ู…ุฑุจุน ุงู„ุฃูˆู„ู‰ ู‡ูˆ ุนุจุงุฑุฉ ุนู† X

526
00:51:33,980 --> 00:51:40,000
ู†ุงู‚ุต ุชู„ุงุชุฉ ุงู„ู…ุฑุจุน ุงู„ุซุงู†ูŠ ุงู„ู„ูŠ ู‡ูˆ ู†ุงู‚ุต ุฃุฑุจุนุฉ ุชู…ุงู…

527
00:51:40,000 --> 00:51:46,460
ุนู„ู‰ ุงู„ู…ู‚ุงู… ุงู„ู„ูŠ ู‡ูˆ absolute value ู„ู„ุฌุฐุฑ ุงู„ุชุฑุจูŠู‡ ู„

528
00:51:46,460 --> 00:51:53,240
X ู†ุงู‚ุต ุชู„ุงุชุฉ ุฒุงุฆุฏ ุงุชู†ูŠู† ุฃู‚ู„ ู…ู† ู…ูŠู† ุฃู‚ู„ ู…ู† ุฅุจุณู„ูˆู†

529
00:51:53,380 --> 00:51:59,740
ุฅุฐุง ู…ุดูƒู„ุชูŠ anyway ู…ุงููŠุด ุงู„ู„ูŠ ููˆู‚ ุณุฃู„ุฉ ู‡ุงุฏู‰ ุงู„ู„ู‰

530
00:51:59,740 --> 00:52:05,640
ุนุจุงุฑุฉ ุนู† ู…ูŠู† absolute value ู„ู„ X ู†ุงู‚ุต ุณุจุนุฉ ููŠ ู…ูŠู†

531
00:52:05,640 --> 00:52:13,200
ููŠ ูˆุงุญุฏ ุนู„ู‰ ุงู„ absolute valueุงู„ู€ X ู„ุงู‚ุต 3 ุฒุงุฆุฏ 2

532
00:52:13,200 --> 00:52:19,780
ุฃู‚ู„ ู…ู† ุงู„ู€ Y ูŠุจู‚ู‰ ุฃู†ุง ู„ูˆ ุชุฎู„ุตุช ู…ู† ู‡ุฐุง ุงู„ู…ู‚ุฏุงุฑ

533
00:52:19,780 --> 00:52:26,650
ุจุชุจู‚ู‰ ู‚ุตุชูŠ ู…ุญู„ูˆู„ุฉ ุฃูˆ ู„ูˆ ุงุณุชุจุฏู„ุช ู‡ุฐุง ุงู„ู…ู‚ุฏุงุฑ ุจุฑู‚ู…ุทุจ

534
00:52:26,650 --> 00:52:30,590
ุฎู„ุตุชุŒ ู…ุธุจูˆุทุŸ ุฅุฐุง ู‡ุฐุง ุงู„ุณุคุงู„ ู…ุด ุฒูŠ ุงู„ุณุคุงู„ ุงู„ู„ูŠ

535
00:52:30,590 --> 00:52:34,810
ู‚ุจู„ู‡ุŒ ุงุถุทุฑูŠุช ู„ู„ุถุฑุจ ููŠ ุงู„ู…ุฑุงูู‚ ูˆ ุงู„ุถุฑุจ ู…ู† ุงู„ู…ุฑุงูู‚

536
00:52:34,810 --> 00:52:39,050
ุทู„ุน ู„ูŠ term ุฌุฏูŠุฏุŒ ุจุฏูŠ ุฃุญุงูˆู„ ุฃุชุฎู„ุต ู…ู† ุงู„ term

537
00:52:39,050 --> 00:52:43,910
ุงู„ุฌุฏูŠุฏ ุดูˆููˆุง ูƒูŠู ุจุฏูŠ ุฃุชุฎู„ุต ู…ู† ุงู„ term ุงู„ุฌุฏูŠุฏ ุจุฑู‚ู…ุŒ

538
00:52:43,910 --> 00:52:48,350
ุจู‚ู‰ ุฏูŠ ุจู‚ูˆู„ู‡ ูƒูˆูŠุณุŒ ู‡ูŠ ุงู„ู…ุณุฃู„ุฉุŒ ุจุฏูŠ ุฃุชุนุฑู ุนู„ู‰

539
00:52:48,350 --> 00:52:53,780
domain ุฏู‡ ุงู„ู„ูŠ ู‡ุฏูŠ ู…ู† ูˆูŠู† ู„ู‡ ูˆูŠู†ุจู‚ู‰ ุจุงุฌูŠ ุจู‚ูˆู„ู‡ ุงู†

540
00:52:53,780 --> 00:52:59,840
ุงู†ุง ุจุฏูŠ ุงุฌูŠุจ ู„ู‡ domain ุฏุงู„ุฉ F ูƒู„ ุงู„ุนู†ุงุตุฑ X ุจุญูŠุซ ุงู†

541
00:53:00,350 --> 00:53:05,570
ุงู„ู€ X ู†ุงู‚ุต ุชู„ุงุชุฉ ุจุฏูŠู‡ุง ุฃูƒุจุฑ ู…ู† ุฃูˆ ุชุณุงูˆูŠ ุฒูŠุฑูˆ ุญุชู‰

542
00:53:05,570 --> 00:53:11,190
ูŠูƒูˆู† ุงู„ุฌุฐุฑ ู‡ุฐุง ู…ุนุฑู ุตุญูŠุญ ูˆู„ุง ู„ุฃ ูŠุนู†ูŠ ู‡ุฐุง ูƒู„

543
00:53:11,190 --> 00:53:15,870
ุงู„ุนู†ุงุตุฑ X ุจุญูŠุซ ุฃู† ุงู„ู€ X greater than or equal ู…ู†

544
00:53:15,870 --> 00:53:21,850
ุชู„ุงุชุฉ ูŠุนู†ูŠ ุงู„ูุชุฑุฉ ู…ู† ุนู†ุฏ ุงู„ุชู„ุงุชุฉ ู„ุบุงูŠุฉ ุงู„ infinity

545
00:53:21,850 --> 00:53:28,330
ุฃู…ุชุงุฒ ุฌุฏุง ุทุจ ูุงุชุญู„ูŠ ุนูŠู†ูƒ ูƒูˆูŠุณ ุฃู†ุง ุนู†ุฏู‡ุง ู‡ุฐุง ุงู„

546
00:53:28,330 --> 00:53:32,420
real lineูˆ ุงู„ domain ุชุจุน ุงู„ุฏู„ุฉ ุจูŠุจุฏุฃ ู…ู† ุนู†ุฏ

547
00:53:32,420 --> 00:53:37,800
ุงู„ุชู„ุงุชุฉ ูˆ ูŠุฌูŠ ุฑุงูŠุญ ุนู„ู‰ ู…ุง ู„ุง ู†ู‡ุงูŠุฉ ู‚ุจู„ ุงู„ุชู„ุงุชุฉ

548
00:53:37,800 --> 00:53:43,620
ู…ุงุนู†ุฏูŠุด function ุงู†ุง ุนู†ุฏ ุงู„ X ุจุชุฑูˆุญ ู„ูˆูŠู† ู„ 7 ุงุฐุง

549
00:53:43,620 --> 00:53:48,520
ู„ูˆ ุฌูŠุช ุนู„ู‰ ุงู„ุฑุณู… ู‡ู†ุง ูˆ ู‚ู„ุช ู‡ุฐู‡ ุงู„ู†ู‚ุทุฉ ุงู„ู„ูŠ ู‡ูŠ

550
00:53:48,520 --> 00:53:54,020
ุงู„ุณุจุนุฉ ุงู„ุณุคุงู„ ู‡ูˆ ู‚ุฏุงุด ุฃู‚ุตู‰ ู‚ูŠู…ุฉ ู„ Delta

551
00:53:58,780 --> 00:54:03,720
ุฃุฑุจุนุฉ ุตุญูŠุญ ูˆ ู„ุง ู„ุฃ ู„ุฃ ุจุฏูŠ ุฃู‚ูˆู„ ู‚ุจู„ ุงู„ุชู„ุงุชุฉ ู‡ุฐูŠ

552
00:54:03,720 --> 00:54:08,760
ู…ู…ู†ูˆุน ู…ู…ู†ูˆุน ุฃุชุญุฑูƒ ูˆ ุฃู†ุง ุงู„ X ุจุชุฑูˆุญ ุนู„ู‰ ุณุจุนุฉ ูŠุนู†ูŠ

553
00:54:08,760 --> 00:54:13,780
ู…ู…ูƒู† ุฃุฑูˆุญ ู…ู† ุงู„ูŠู…ูŠู† ูˆ ู…ู…ูƒู† ุฃุฑูˆุญ ู„ู„ุดู…ุงู„ ูŠุจู‚ู‰ ุฃู‚ุตู‰

554
00:54:13,780 --> 00:54:19,000
ู‚ูŠู…ุฉ ู…ู…ูƒู† ุชูƒูˆู† ู‚ุฏุงุด X ุจุฏู‡ุง ุชุฑูˆุญ ู„ุณุจุนุฉ ู…ู…ูƒู† Delta

555
00:54:19,000 --> 00:54:23,090
ุชูƒูˆู† ุฃุฑุจุนุฉ ุญูˆุงู„ูŠู† ู…ูŠู†ุŸู‡ูˆ ู…ู…ูƒู† ู†ุงุฎุฏ ุฃุฑุจุนุฉ ู„ู„ูŠู…ูŠู† ูˆ

556
00:54:23,090 --> 00:54:26,930
ุฃุฑุจุนุฉ ู„ู„ุดู…ุงู„

557
00:54:26,930 --> 00:54:39,150
ูŠุจู‚ู‰ ู‡ู†ุง sense ุจู…ุง ุฃู† ุงู„ X ุจุฏุฃ ุชุฑูˆุญ ู„ู„ุณุจุนุฉ

558
00:54:41,710 --> 00:54:47,350
ุจุฏูŠ ูŠุตูŠุฑ ุนู†ุฏู†ุง ู…ูŠู†ุŸ ุงู† ุฏู„ุชุง ุชุณุงูˆูŠ ุณุจุนุฉ ู†ุงู‚ุต ุซู„ุงุซุฉ

559
00:54:47,350 --> 00:54:51,850
ูŠุณุงูˆูŠ ู‚ุฏุงุด ุฃุฑุจุน ุทูŠุจ ุดูˆู ู„ูƒ ู‡ุฐู‡ ุงู„ู…ุนู„ูˆู…ุฉ ุฃูŠุด

560
00:54:51,850 --> 00:54:56,570
ุงู„ูุงูŠุฏุฉ ู…ู†ู‡ุง ุฃูŠุด ุงู„ูุงูŠุฏุฉ ู…ู† ุฏู„ุชุง ุจุฏู‡ุง ุชุฑูˆุญ ู„ุฃุฑุจุน

561
00:54:56,570 --> 00:55:02,870
ูŠุจู‚ู‰ ุงู†ุง ุนู†ุฏ ู…ูŠู†ุŸ ุนู†ุฏ ุงู„ X ู†ุงู‚ุต ุณุจุนุฉ ุฃู‚ู„ ู…ู† ุฏู„ุชุง

562
00:55:02,870 --> 00:55:09,390
ุงุฐุง ุจุฏูŠ ูŠุตูŠุฑ ุนู†ุฏ ุงู„ X ู†ุงู‚ุต ุงู„ุณุจุนุฉ ุฃู‚ู„ ู…ู† ู…ูŠู†ุŸ ุฃู‚ู„

563
00:55:09,390 --> 00:55:16,600
ู…ู† ุฃุฑุจุนุฃูˆ ุจู…ุนู†ู‰ ุขุฎุฑ ู‡ุฐุง ู…ุนู†ุงุชู‡ ุงู† ุงู„ X ู†ุงู‚ุต ุงู„ุณุจุนุฉ

564
00:55:16,600 --> 00:55:22,480
ุฃู‚ู„ ู…ู† ุฃุฑุจุนุฉ ูˆ ุฃูƒุจุฑ ู…ู† ู…ูŠู†ุŸ ู…ู† ุณุงู„ุจ ุฃุฑุจุนุฉ ุงุถูŠูู„ูŠ

565
00:55:22,480 --> 00:55:27,700
ุงู„ุณุจุนุฉ ู„ู„ุซู„ุงุซุฉ ุฃุทุฑุงู ูŠุจู‚ู‰ ู„ูˆ ุฃุถูู†ุง ุงู„ุณุจุนุฉ ู„ู„ุซู„ุงุซุฉ

566
00:55:27,700 --> 00:55:35,480
ุฃุทุฑุงู ุจูŠุตูŠุฑ ู‡ู†ุง ู‚ุฏุงุด ุชู„ุงุชุฉ ุฃู‚ู„ ู…ู† X ุฃู‚ู„ ู…ู† ุณุจุนุฉ ูˆ

567
00:55:35,480 --> 00:55:42,660
ุฃุฑุจุนุฉ ู‚ุฏุงุด ุงู„ูˆุงุญุฏุงุดุทูŠุจ X ุฅุฐุง ุณุชุชุญุฑูƒ ู…ู† ูˆ ู„ุง ูˆูŠู†ุŸ

568
00:55:42,660 --> 00:55:47,880
ู…ู† ุชู„ุงุชุฉ ู„ุฃุญุฏุงุด ู„ูƒู† ุงุญู†ุง ุจุฏู†ุง ู…ูŠู†ุŸ ุจุฏู†ุง X ู†ุงู‚ุต

569
00:55:47,880 --> 00:55:53,720
ุชู„ุงุชุฉ ุฅุฐุง ู…ู† ู‡ู†ุง ุจุฏู‡ ูŠุฎู„ู‚ X ู†ุงู‚ุต ุชู„ุงุชุฉ ูŠุจู‚ู‰ ู‡ุฐุง

570
00:55:53,720 --> 00:56:01,720
ุจุฏู‡ ูŠุนุทูŠู„ูƒ ุฅู† Zero ุฃู‚ู„ ู…ู† X ู†ุงู‚ุต ุชู„ุงุชุฉ ุฃู‚ู„ ู…ู†

571
00:56:01,720 --> 00:56:02,740
ุชู…ุงู†ูŠุฉ

572
00:56:05,630 --> 00:56:11,070
ุฃุถูู†ุง ุณุงู„ุจ ุชู„ุงุชุฉ ู„ู„ุชู„ุงุชุฉ ุงู„ุฃุทุฑุงู ูŠุจู‚ู‰ ู‡ุงูŠ ุฌุจุช ู…ู†

573
00:56:11,070 --> 00:56:16,290
ุงู„ X ู†ุงู‚ุตุฉ ุงูŠุด ุจู„ุฒู…ู†ูŠ ูƒู…ุงู† ุงู„ุฌุฐุฑ ุฎุฏ ุงู„ุฌุฐุฑ ุงู„ุชุฑุจูŠุฉ

574
00:56:16,290 --> 00:56:22,110
ู„ู„ุทุฑููŠู† ูŠุจู‚ู‰ ุจุตูŠุฑ ุงู„ุฌุฐุฑ ุงู„ zero ุจุงู„ zero ุฃู‚ู„ ู…ู†

575
00:56:22,110 --> 00:56:27,050
ุงู„ุฌุฐุฑ ุงู„ุชุฑุจูŠุฉ ุฅู„ู‰ X ู†ุงู‚ุต ุชู„ุงุชุฉ ุฃู‚ู„ ู…ู† ุงู„ุฌุฐุฑ

576
00:56:27,050 --> 00:56:32,360
ุงู„ุชุฑุจูŠุฉ ุฅู„ู‰ ุชู…ุงู†ูŠุฉุทูŠุจ ุงู†ุง ุงู„ X ู†ุงู‚ุต ุซู„ุงุซุฉ ุจุฏู‰

577
00:56:32,360 --> 00:56:37,380
ุงุถุงููŠู„ู‡ุง ูƒู…ุงู† ู‚ุฏุงุด ุงุฐุง ุจุฏู‰ ุงุฑูˆุญ ุงุถูŠู ู„ู„ุซู„ุงุซุฉ ุงุทุฑุงู

578
00:56:37,380 --> 00:56:43,900
ุงุชู†ูŠู† ุจุตูŠุฑ ุนู†ุฏ ู‡ู†ุง ุงุชู†ูŠู† ุงู‚ู„ ู…ู† ุงู„ุฌุฏุฑ ุงู„ุชุฑุจูŠุน ู„ู„ X

579
00:56:43,900 --> 00:56:49,620
ู†ุงู‚ุต ุซู„ุงุซุฉ ุฒุงุฆุฏ ุงุชู†ูŠู† ุงู‚ู„ ู…ู† ุงุชู†ูŠู† ุฒุงุฆุฏ ุฌุฏุฑ

580
00:56:49,620 --> 00:56:55,010
ุงู„ุชู…ุงู†ูŠุฉุทูŠุจ ู…ู…ุชุงุฒ ุงู†ุง ู…ุงุจุฏูŠุด ู‡ุฏู ุงู„ bus ู…ุงุจุฏูŠุงู‡

581
00:56:55,010 --> 00:57:00,470
ูˆูŠู†ุŸ ููŠ ุงู„ู…ู‚ุงู… ุทูŠุจ ู„ูˆ ุฃุฎุฏุช absolute ูˆ absolute ูˆ

582
00:57:00,470 --> 00:57:05,870
absolute ุจุชุชุบูŠุฑุŸู‡ุฐู‡ ู…ูˆุฌุจุฉ ูˆู‡ุฐู‡ ู…ูˆุฌุจุฉ ูŠุจู‚ู‰ ุงู„

583
00:57:05,870 --> 00:57:12,190
absolute ู„ู‡ุง ู„ู† ูŠุชุบูŠุฑ ูˆุจุฏูŠ ุฃู†ุฒู„ู‡ุง ููŠ ุงู„ู…ู‚ุงู… ุจูŠุตูŠุฑ

584
00:57:12,190 --> 00:57:18,730
ุนู†ุฏ ุงู„ู†ุต ุงู„ุฃู‚ู„ ู…ู† ุจูŠุตูŠุฑ ุฃูƒุจุฑ ู…ู† ูˆู‡ุฐู‡ ูˆุงุญุฏ ุนู„ู‰

585
00:57:18,730 --> 00:57:24,750
absolute value ู„ู„ X ู†ุงู‚ุต ุซู„ุงุซุฉ ุฒุงุฆุฏ ุงุชู†ูŠู† ูˆู‡ุฐู‡

586
00:57:24,750 --> 00:57:33,410
ุฃูƒุจุฑ ู…ู† ูˆุงุญุฏ ุนู„ู‰ ุงุชู†ูŠู† ุฒุงุฆุฏ ุฌุฐุฑ ุชู…ุงู†ูŠุฉุทูŠุจ ุงุณุชู†ู‰

587
00:57:33,410 --> 00:57:39,250
ุดูˆูŠุฉ ู‡ู‰ ูˆุงุญุฏ ุนู„ู‰ ุงู„ู…ู‚ุงู… ุงู‡ ุงู„ุตุญูŠุญูŠุฉ ุงูŠุด ุจุฏูŠู‡ ุงู‚ู„

588
00:57:39,250 --> 00:57:44,820
ูˆู„ุง ุงูƒุจุฑุŸุจุฏูŠ ุฃู‚ู„ ูŠุนู†ูŠ ู‡ู†ุง ุฅุฐุง ู…ุง ุจุฏูŠุด ุฅูŠุงู‡ุง ุฃูƒุจุฑ

589
00:57:44,820 --> 00:57:50,880
ุจุฏูŠ ุฅูŠุงู‡ุง ู…ู† ุฃู‚ู„ ูŠุจู‚ู‰ ุจุตูŠุฑ ู‡ุฐุง ุงู„ูƒู„ุงู… ูƒู„ู‡ ุฃู‚ู„ ู…ู†

590
00:57:50,880 --> 00:57:56,880
ุฌุฏุงุด ู…ู† ู†ุต ุญู„ุชู‡ ุงู„ู…ุดูƒู„ุฉ ูŠุจู‚ู‰ ุงู„ู…ุดูƒู„ุฉ ุงู„ุนูˆูŠุตุฉ ุงู„ู„ูŠ

591
00:57:56,880 --> 00:58:02,760
ุนู†ุฏูƒ ุญู„ุชู‡ุง very easy ุจุณู‡ูˆู„ุฉ ูŠุจู‚ู‰ ุจู†ุงู† ุนู„ูŠู‡ ุจุฏูŠ

592
00:58:02,760 --> 00:58:08,900
ุฃุฌูŠุจ ุฑู‚ู… ุจุฏู„ ู‡ุฐู‡ุจุฏูŠ ู‡ุฐู‡ ุชุฌูŠุจู„ูŠ ุฃุตุบุฑ ู…ู† ุงู„ุฑู‚ู…ุŒ ุฃู‚ู„

593
00:58:08,900 --> 00:58:12,960
ู…ู† ุงู„ุฑู‚ู…ุŒ ูƒู„ู‡ุง ุงู„ู„ูŠ ุงู†ุช ุดุงูŠูู‡ ู‡ุฐู‡ ุทุจ ุงูŠุด ุณูˆูŠุชูƒุŸ

594
00:58:12,960 --> 00:58:17,420
ุชุนุฑูุด ุชุฌูŠุจ ุงู„ุฏู…ุงู† ุงู„ุฏู„ุณ ุชุงู†ูŠุŸ ุดูˆ ุงุณู…ูƒ ุงู†ุชุŸ ุดูˆ ุงุณู…ูƒ

595
00:58:17,420 --> 00:58:23,700
ุงู†ุชุŸ ู…ุญู…ู„ ุงูŠุดุŸ ุฃุจูˆ ุฏุฌุง ูˆู„ุง ุฃุจูˆ ุฏุงู†ุŸ ุฃุจูˆ ุฏุฌุง ู…ู†

596
00:58:23,700 --> 00:58:29,040
ุจู†ุณูŠู„ุฉ ุนุจุณุงู†ุŒ ุนุจุณุงู† ุงู„ูƒุจูŠุฑูŠ ู…ุด ุนุจุณุงู† ุงู„ุตุบูŠุฑูŠ ูƒู…ุงู†

597
00:58:29,040 --> 00:58:35,120
ุทูŠุจ ุฎู„ูŠ ุจุฑูƒูˆุง ู‡ู†ุงุดูŠุฎ ู…ุญู…ุฏ ุฃุจูˆ ุฏุฌุง ุจู†ุงุฎุฏู‡ุง as an

598
00:58:35,120 --> 00:58:38,680
example ูŠุง ู…ุญู…ุฏ ูŠุง ุฃุจูˆ ุฏุฌุง ูˆุงู„ูƒู„ุงู… ู„ู„ุณู…ุงูŠุฉ ุงู„

599
00:58:38,680 --> 00:58:43,160
definition ู‡ุฐุง ููŠู‡ ู…ุดูƒู„ุฉ ู…ู…ุชุงุฒ ูŠุจู‚ู‰ ุงู„ domain ู…ู†

600
00:58:43,160 --> 00:58:49,160
ุชู„ุงุชุฉ ู„ุฅู†ููŠู†ูŠุชูŠุทูŠุจ ุงู„ X ุจุชุฑูˆุญ ู„ูˆูŠู†ุŸ ู„ู„ ุณุจุนุฉ ูˆูŠู†

601
00:58:49,160 --> 00:58:54,380
ุงู„ุณุจุนุฉ ุจุชูŠุฌูŠ ุจุนุฏ ุงู„ุชู„ุงุชุฉ ูŠุจู‚ู‰ Delta ู„ุง ูŠู…ูƒู† ุฃู†

602
00:58:54,380 --> 00:58:59,200
ุชูƒูˆู† ุฃูƒุชุฑ ู…ู† ุงู„ู…ุณุงูุฉ ู‡ุฐู‡ ูŠุจู‚ู‰ ุจุฏูŠ ุฃุฎุฏ Delta ุจุฃุฑุจุนุฉ

603
00:58:59,200 --> 00:59:04,080
ู„ู…ุง ุฃุฎุฏ Delta ุจุฃุฑุจุนุฉ ุจุตูŠุฑ ู‡ุฐู‡ ุฃู‚ู„ ู…ู† Delta ุฃู‚ู„ ู…ู†

604
00:59:04,080 --> 00:59:08,380
ุฃุฑุจุนุฉ ู‡ุฐู‡ ููŠุฏูŠูˆ ุชุญู„ุช ุทุงู„ ุงู„ X ู…ุง ุจูŠู† ุชู„ุงุชุฉ ูˆ

605
00:59:08,380 --> 00:59:12,900
ุฃุญุฏุงุดุฑุทุจ ุงู†ุง ุจุฏูŠ ู…ู†ุŸ ุจุฏูŠ x ู†ุงู‚ุต ุชู„ุงุชุฉ ุจุทุฑุญ ู…ู†

606
00:59:12,900 --> 00:59:18,140
ุงู„ุทุฑููŠู† ุชู„ุงุชุฉ ู‡ูŠุชุฑุญ ู„ู…ู†ู‡ุง ุชู„ุงุชุฉ ุชู…ุงู…ุŸ ุจุฏูŠ ุฌุฏุฑ ุจุงุฎุฏ

607
00:59:18,140 --> 00:59:23,820
ุงู„ุฌุฏุฑ ู„ู„ุทุฑููŠู† ุจุฏูŠ ู„ู„ุฌุฏุฑ ูŠูƒูˆู† ู…ุถุงู ู„ุงุชู†ูŠู† ุฑูˆุญู†ุง

608
00:59:23,820 --> 00:59:28,220
ุฃุถุงูู†ุง ุงุชู†ูŠู† ู„ู„ูƒู„ ุจุฏูŠ ุดูŠ ุฃูƒู„ ููŠ ุงู„ bus ุจุฏูŠ ุฃูƒู„ ููŠ

609
00:59:28,220 --> 00:59:32,300
ุงู„ู…ู‚ุงู… ู‚ู„ุจ ุณุงุนุฉ

610
00:59:32,300 --> 00:59:40,330
ุจู‡ุฐู‡ุŸูƒู„ุงู… ุจุณูŠุทุŒ ู‡ุฐุง trivial ุจุณูŠุท ูˆ ุบู„ุทุŒ ุฃูŠูˆุฉ ูƒูŠูุŸ

611
00:59:40,330 --> 00:59:44,710
ูŠุง ุฑุงุฌู„ ู…ุง ุฃู†ุช ุดุงูŠู ู‡ู„ ุงู„ุฏุงู„ุฉ ู…ุนุฑูุฉ ู‚ุจู„ ุงู„ุชู„ุงุชุฉุŸ

612
00:59:44,710 --> 00:59:48,030
ูŠุนู†ูŠ ุงู„ domain ู…ู† ุชู„ุงุชุฉ ูˆ ุทู„ุนุฉ ูˆ ุงู„ limit ู…ุญุณูˆุจ

613
00:59:48,030 --> 00:59:54,970
ุงูˆูŠู†ุŸ ูŠุนู†ูŠ X0 ู‡ุฐู‡ ุงู„ู„ูŠ ู‡ูŠ ุนุจุงุฑุฉ ุนู† main X0 ูŠุจู‚ู‰

614
00:59:54,970 --> 01:00:00,230
ุญูˆุงู„ูŠู† X0ุŒ ุฅุฐุง ุจุชู‚ุฏุฑ ุฃุฒูŠุฏ ุนู† ุงู„ุชู„ุงุชุฉ ูŠุจู‚ู‰ ุฃู‚ุตู‰

615
01:00:00,230 --> 01:00:04,740
ู‚ูŠู…ุฉ ู„Delta ุจู‚ุฏุฑ ุฃุฎุฏู‡ุง ุงู„ู„ูŠ ู…ู† ุชู„ุงุชุฉ ู„ุณุจุนุฉู…ุตุจูˆุท

616
01:00:04,740 --> 01:00:09,020
ูˆู„ุง ู„ุงุŸ ุงู†ุง ู‚ู„ุช ุซู„ุงุซุฉ ุณุจุนุฉ ุซุงู†ูŠุฉ ุฃุฑุจุนุฉ ุซู… ุญุทูŠู†ุงู‡ุง

617
01:00:09,020 --> 01:00:13,560
ุฃุฑุจุนุฉ ูˆุทู„ุนุช X ู…ู† ูˆ ู„ุง ูˆ ู„ุง ุงุถูุช ู„ู‡ุง ุณุงู„ุจ ุซู„ุงุซุฉ

618
01:00:13,560 --> 01:00:17,240
ูˆุงุฎุฏุช ุงู„ุฌุฏุฑุจ ุจุนุฏูŠู† ุงุถูุช ู„ู‡ุง ุงุชู†ูŠู† ูˆูˆุตู„ู†ุง ู„ู„ู†ุชูŠุฌุฉ

619
01:00:17,240 --> 01:00:20,300
ุงู„ู„ูŠ ู„ู†ุง ูŠุจู‚ู‰ ู‡ุฐู‡ ู„ูˆ ุงู†ุง ุงู‚ุฑุงู‡ุง ูˆุงุญุฏ ุนู„ู‰ ุงู„ู…ู‚ุฏุงุฑ

620
01:00:20,300 --> 01:00:25,040
ุฃู‚ู„ ู…ู† ู…ูŠู† ู…ู† ู†ุตู ุงุฐุง ุจุฏูŠ ุงุฑุฌุน ู„ู…ุณุฃู„ุฉ ุงู„ุฃุณุงุณูŠุฉ

621
01:00:25,040 --> 01:00:29,680
ูŠุจู‚ู‰ ู„ู…ุง ุงุฑุฌุน ู„ู…ุณุฃู„ุฉ ุงู„ุฃุณุงุณูŠุฉ ุงู„ู„ูŠ ููˆู‚ high zero

622
01:00:30,030 --> 01:00:36,810
ุฃู‚ู„ ู…ู† ุงู„ X ู†ุงู‚ุต ุณุจุนุฉ ุฃู‚ู„ ู…ู† Delta implies ุงู„ู„ูŠ

623
01:00:36,810 --> 01:00:43,070
ุชูˆุตู„ู†ุง ู„ู‡ ุงุญู†ุง X ู†ุงู‚ุต ุณุจุนุฉ ููŠ ูˆุงุญุฏ ุนู„ู‰ absolute

624
01:00:43,070 --> 01:00:48,810
value ู„ู„ุฌุฏุฑ ุงู„ุชุฑุจูŠุฉ ู„ู„ X ู†ุงู‚ุต ุซู„ุงุซุฉ ุฒุงุฆุฏ ุงุชู†ูŠู†

625
01:00:48,810 --> 01:00:55,030
ุชู…ุงู… ู‡ุฐุง ุงูŠุด ุจุฏูŠ ูŠูƒูˆู† ุฃู‚ู„ ู…ู† ุงู„ู„ูŠ ู‡ูˆ absolute

626
01:00:55,030 --> 01:01:03,210
value ู„ู„ X ู†ุงู‚ุต ุณุจุนุฉ ููŠ ู†ุตูู‡ุฐุง ุงุชุฎู„ุตุช ู…ู†ู‡ ูˆ ุญุทูŠุช

627
01:01:03,210 --> 01:01:09,330
ุงู‚ู„ ู…ู† ู†ุต ู„ุงู† ู‡ู‰ ุงู‚ู„ ู…ู† ู†ุต ูˆู‡ุฐุง ูƒู„ู‡ ุงู‚ู„ ู…ู† ู…ูŠู†ุŸ ู…ู†

628
01:01:09,330 --> 01:01:12,910
ุงุจุณู„ูˆู† ุงู„ู„ู‰ ู‡ูŠ ุงู„ุฃุณุงุณูŠุฉ ู„ุนู† ู†ู‡ุงูŠุฉ

629
01:01:16,590 --> 01:01:20,190
ุฃุถุฑุจ ูƒู„ู‡ ููŠ ุงุชู†ูŠู† ู„ูˆ ุถุฑุจุช ูƒู„ู‡ ููŠ ุงุชู†ูŠู† ุงูŠุด ุจูŠุตูŠุฑ

630
01:01:20,190 --> 01:01:25,650
ุนู†ุฏู†ุง ุจูŠุตูŠุฑ absolute value ู„ู„ X ู†ู‚ุต ุณุจุนุฉ ุงู‚ู„ ู…ู†

631
01:01:25,650 --> 01:01:33,050
ู…ูŠู† ุงู‚ู„ ู…ู† ุงุชู†ูŠู† ุงุจุณู„ูˆู† ุทู„ุนู„ูŠ ููŠ ู‡ุงุฏูŠ ูˆุทู„ุนู„ูŠ ููŠ

632
01:01:33,050 --> 01:01:40,970
ู‡ุงุฏูŠ ูˆูˆุตู„ู†ุง ูŠุจู‚ู‰ ุฏู„ุชุฉ ูˆูŠุจู‚ู‰ ุฏุงุดุฑ ุงุชู†ูŠู† ุงุจุณู„ูˆู† ูŠุจู‚ู‰

633
01:01:40,970 --> 01:01:47,370
ุฏู„ุชุฉ ู‡ู†ุง ูŠุณุงูˆูŠ ุงุชู†ูŠู† ุงุจุณู„ูˆู†ูŠุจู‚ู‰ ุฏู„ุชุง ุงู„ู„ู‰ ุจุฏู†ุง ูŠุงู‡

634
01:01:47,370 --> 01:01:53,470
ุงุนุชู…ุฏ ุนู„ู‰ ู…ูŠู† ุจู‚ู‰ ุงู„ู„ู‰ ุงู„ุชุญู‚ูŠู‚ ุจูƒูˆู† ุฎู„ุตู†ุง ุญู‚ูƒ ู…ู†

635
01:01:53,470 --> 01:01:58,150
ุงู„ู„ู‰ ู…ูˆุตู„ู†ุงูƒ ุงูŠูˆุฉ ู…ุงู„ุฐูŠ ู‚ุจู„ ู…ุงู„ุฐูŠ ู‚ุจู„ ู…ุงู„ุฐูŠ ู‚ุจู„

636
01:01:58,150 --> 01:02:01,130
ู…ุงู„ุฐูŠ ู‚ุจู„ ู…ุงู„ุฐูŠ ู‚ุจู„ ู…ุงู„ุฐูŠ ู‚ุจู„ ู…ุงู„ุฐูŠ ู‚ุจู„ ู…ุงู„ุฐูŠ ู‚ุจู„

637
01:02:01,130 --> 01:02:02,650
ู…ุงู„ุฐูŠ ู‚ุจู„ ู…ุงู„ุฐูŠ ู‚ุจู„ ู…ุงู„ุฐูŠ ู‚ุจู„ ู…ุงู„ุฐูŠ ู‚ุจู„ ู…ุงู„ุฐูŠ ู‚ุจู„

638
01:02:02,650 --> 01:02:08,610
ู…ุงู„ุฐูŠ ู‚ุจู„ ู…ุงู„ุฐูŠ ู‚ุจู„ ู…ุงู„ุฐูŠ ู‚ุจู„ ู…ุงู„ุฐูŠ ู‚ุจู„ ู…ุงู„ุฐูŠ ู‚ุจู„

639
01:02:08,610 --> 01:02:09,810
ู…ุงู„ุฐูŠ ู‚ุจู„ ู…ุงู„ุฐูŠ ู‚ุจู„ ู…ุงู„ุฐูŠ ู‚ุจู„ ู…ุงู„ุฐูŠ ู‚ุจู„ ู…ุงู„ุฐูŠ ู‚ุจู„

640
01:02:09,810 --> 01:02:09,810
ู…ุงู„ุฐูŠ ู‚ุจู„ ู…ุงู„ุฐูŠ ู‚ุจู„ ู…ุงู„ุฐูŠ ู‚ุจู„ ู…ุงู„ุฐูŠ ู‚ุจู„ ู…ุงู„ุฐูŠ ู‚ุจู„

641
01:02:09,810 --> 01:02:14,900
ู…ุงู„ุฐูŠ ู‚ุฃู†ุง ุฌุงุจุช ุงู„ domain ุนุดุงู† ุฃุนุฑู ู‚ุฏุงุด ุฃูƒุจุฑ ู‚ูŠู…ุฉ

642
01:02:14,900 --> 01:02:22,500
ู„ุฏูŠู„ุชุง ุจุฏุฃ ุฃุฎุฏู‡ุง ุจู†ูุน ุฃูŠ

643
01:02:22,500 --> 01:02:27,840
ุฑู‚ู… ู…ู† ุชู„ุงุชุฉ ู„ุณุจุนุฉ ุฃู†ุง ุฃุฎุฏุช ุฃูƒุจุฑ ูˆุงุญุฏ ู…ู† ุชู„ุงุชุฉ

644
01:02:27,840 --> 01:02:32,580
ู„ุฃุฑุจุนุฉ ู…ู† ู†ู‚ุต ู…ู† ุนู†ุฏ ุงู„ zero ู„ุบุงูŠุฉ ุงู„ุฃุฑุจุนุฉ ู…ู†

645
01:02:32,580 --> 01:02:37,120
ุชู„ุงุชุฉ ู„ุณุจุนุฉ ู„ู‡ูˆ ุฃุฑุจุนุฉ ุฃูŠ ุฑู‚ู… ุจุฏูƒ ุชุงุฎุฏู‡ ู…ู† ุงู„ zero

646
01:02:37,120 --> 01:02:44,620
ู„ุฃุฑุจุนุฉ ู…ุงุนู†ุฏูŠุด ู…ุดูƒู„ุฉุฎู„ุงุตุŸ ุทูŠุจ ุจุฏู†ุง ู†ุชุญู‚ู‚ ู…ู† ุตุญุฉ

647
01:02:44,620 --> 01:03:01,400
ู‡ุฐุง ุงู„ูƒู„ุงู… ู‚ู„ูŠ

648
01:03:01,400 --> 01:03:09,800
ู…ู†ูƒ ู…ุนุงูƒุงู„ุงู† ุงุญู†ุง ุนู†ุฏู†ุง zero ุงู‚ู„ ู…ู† x ู†ู‚ุต ุณุจุนุฉ ุงู‚ู„

649
01:03:09,800 --> 01:03:15,820
ู…ู† ุฏู„ุชุง ูƒุฏู‡ ุงูŠุด ุฏู„ุชุง ู‚ูˆู„ู†ุง ุงุชู†ูŠู† ุงุจุณู„ ุชู…ุงู… ู‡ุฐุง

650
01:03:15,820 --> 01:03:21,170
ูŠุชุทู„ุจ absolute valueุงู„ุฏุฑุฌุฉ ุงู„ุฏูŠุด ูƒุงู†ุช ุงู„ู„ูŠ ู‡ูˆ

651
01:03:21,170 --> 01:03:27,310
ุงู„ุฌุฏุฑ ุงู„ุชุฑุจูŠุนูŠ ู„ู„ X ู†ุงู‚ุต ุซู„ุงุซุฉ ุฒุงุฆุฏ ุงุชู†ูŠู† ุงู…ุดูŠ

652
01:03:27,310 --> 01:03:33,830
ุงู…ุดูŠ ู„ู…ุง ู†ู…ุดูŠู†ุง ูˆู‚ูˆู„ู†ุง ูˆุตู„ู†ุงู‡ุง ู„ู„ X ู†ุงู‚ุต ุงู„ุณุจุนุฉ ููŠ

653
01:03:33,830 --> 01:03:38,770
ูˆุงุญุฏ ุนู„ู‰ ุงู„ุฌุฏุฑ ุงู„ุชุฑุจูŠุนูŠ ู„ู„ X ู†ุงู‚ุต ุซู„ุงุซุฉ ุฒุงุฆุฏ ุงุชู†ูŠู†

654
01:03:38,770 --> 01:03:44,550
absolute value ู…ุด ู‡ูŠูƒ ูˆุตู„ู†ุงู‡ุง ู‡ุงูŠ ู‡ุงูŠ ุนู†ุฏูƒ ู…ุฏูŠุด

655
01:03:44,550 --> 01:03:49,380
ุงุนูŠุฏ ุงู„ุฏุฑุจ ู…ู† ุฌุฏูŠุฏ ุชู…ุงู…ุŸ ุจุนุฏ ุงู„ุฌุฏุฑ ุงู„ุชู†ุงู‚ุตุŸุจุนุฏ

656
01:03:49,380 --> 01:03:52,600
ุงูŠุดุŸ

657
01:03:52,600 --> 01:03:58,300
ูŠุง ุฑุงุฌู„ ู‡ูŠู‡ุงุŒ ุฒุงุฆุจ ููŠ ุงู„ู…ู‚ุงู…ุŒ ู…ุง ู„ู‡ุŸ ู‡ูŠู‡ุงุŒ ุฌุฏู‡ุง

658
01:03:58,300 --> 01:04:02,920
ู…ูƒููˆูƒุŒ ู‡ูŠู‡ุงุŒ ุดุงูู‡ุงุŸ ุงู†ุง ูƒุชุจุช ู‡ุฐู‡ ุงู„ุญูŠู„ุฉุŒ ูŠุนู†ูŠ

659
01:04:02,920 --> 01:04:05,760
ู…ุงุจุฏูŠุด ู„ุณู‡ ุงู†ุง ุงุถุฑุจ ู…ู† ุฃูˆู„ ูˆ ุฌุฏูŠุฏุŒ ุงุนูŠุฏ ู†ูุณ ุงู„ูƒุฑุฉ

660
01:04:06,150 --> 01:04:11,070
ู„ุฃ ุงู†ุง ู…ุณูƒุช ู‡ูŠ ู…ู† ุงู„ุจุฏุงูŠุฉ ุงู…ุดูŠ ูˆุตู„ู‡ุง ู„ุบุงูŠุฉ ู‡ู†ุง

661
01:04:11,070 --> 01:04:18,990
ุชู…ุงู…ุŸ ุงู„ุญูŠู† ู‡ุฐู‡ ุงู‚ู„ ู…ู† ู…ูŠู†ุŸ ุงู‚ู„ ู…ู† ุงู„ X ู†ู‚ุต ุณุจุนุฉ

662
01:04:18,990 --> 01:04:28,010
ููŠ ู†ุต ุชู…ุงู…ุŸ ุทูŠุจ ู‡ุฐู‡ ุงู‚ู„ ู…ู† ุงู„ X ุฏู„ุชุฉ ุนู†ุฏ ู…ู‚ุฏุงุด

663
01:04:28,010 --> 01:04:38,360
ูŠุนู†ูŠ ู‡ุฐู‡ ุงู‚ู„ ู…ู† ุฏู„ุชุฉ ููŠ ู†ุตุฏู„ุชุง ุนู†ุฏู‰ ุจู‚ุฏุงุดุŸ ุงุชู†ุงู†

664
01:04:38,360 --> 01:04:44,380
ุงุจุณู„ูˆู† ูŠุจู‚ู‰ ู‡ุฐู‡ ุจุฏู‡ ุชุณุงูˆูŠ ุงุชู†ูŠู† ุงุจุณู„ูˆู† ููŠ ู†ุต ูŠุนู†ูŠ

665
01:04:44,380 --> 01:04:49,780
ู‚ุฏุงุด ุงุจุณู„ูˆู† ูŠุจู‚ู‰ ู‡ู‰ ุจุชุญู‚ู‚ ุชุญู‚ู‚ ุชู…ุงู… ูŠุจู‚ู‰ ุจู‚ู‰ ุฏู‰

666
01:04:49,780 --> 01:04:56,320
ุจู‚ูˆู„ู‡ ุณุง limit ู„ู…ุง ุงู„ X ุจุฏู‡ ุชุฑูˆุญ ู„ู„ุณุจุนุฉ ู„ู„ุฌุฏุฑู‰

667
01:04:56,320 --> 01:05:04,530
ุงู„ุชุฑุจูŠุฉ ู„ู„ X ู†ุงู‚ุต ุชู„ุงุชุฉ ูŠุณุงูˆูŠ ุงุชู†ูŠู† ุชู…ุงู…ุŸุทูŠุจ ุงู„ู„ู‡

668
01:05:04,530 --> 01:05:08,830
ูŠุนุทูŠูƒ ุงู„ุนุงููŠุฉ ุญุฏ ุจุฏู‡ ูŠุณุฃู„ ุชุงู†ูŠ ู‡ู†ุงุŸ ุฃูŠูˆุฉ ุงู„ู„ูŠ ู‡ูˆ

669
01:05:08,830 --> 01:05:15,650
ู…ูŠู†ุŸ ุชุนุงู„ ู‡ู†ุง ุนู„ู‰ ุงู„ู„ูˆุญ ูŠุงู„ุง ุฅู„ุญู‚ ูŠุงู„ุง ุจุฏู†ุง ู†ุดูˆู

670
01:05:15,650 --> 01:05:20,550
ุฅูŠุด ุจุฏู‡ ูŠุณุฃู„ ูˆู…ุงุฐุง ุณุชูƒูˆู† ุงู„ุฅุฌุงุจุฉ ุจุณ ุชุนุงู„ ุงุทู„ุน ู‡ู†ุง

671
01:05:20,550 --> 01:05:28,030
ูŠุง ุฑุงุฌู„ ุฎู„ูŠ ุงู„ุดุจุงุจ ูŠุณุชููŠุฏูˆุง ู…ู† ู‡ู†ุงูƒ ู…ู† ู‡ู†ุงูƒ ุฃูŠูˆุฉ

672
01:05:28,030 --> 01:05:37,260
ุทูŠุจ ู„ุญุฏ ู‡ู†ุง ุชู…ุงู… ู‡ุฐู‡ุŸู†ุฌูŠู†ุง ู„ุฑุฃุณ ุงู„ู…ุณุฃู„ุฉ ูˆ ู†ุฒู„ู†ุงู‡ุฐู‡

673
01:05:37,260 --> 01:05:42,680
ุงู„ุทุฑู ุงู„ุดู…ุงู„ ุฒูŠ ู…ุง ู‡ูˆ ุงู„ุทุฑู ู‡ุฐุง ู‡ูŠูˆ ูƒุงู† ู†ุฒู„ุชู‡ ุฒูŠ

674
01:05:42,680 --> 01:05:48,900
ู…ุง ู‡ูˆ ุบูŠุฑุชุด ุดูŠุก ู‡ุฐุง ุฃู‚ู„ ู…ู† ุงู„ู…ู‚ุฏุงุฑ ู‡ุฐุง ููŠ ู†ุต ู‡ูŠูˆ

675
01:05:48,900 --> 01:05:53,920
ุฃู‚ู„ ู…ู† ู†ุต ุดูŠู„ุช ู‡ุฐุง ูˆ ุญุทูŠุช ุจุฏู„ ู†ุตู‡ ุงู„ู„ูŠ ู‡ูŠ ุงู„ุฃู‚ู„

676
01:05:53,920 --> 01:06:01,020
ู…ู†ู‡ ู…ุธุจูˆุทุŸ ุทูŠุจ ู‡ุฐุง ุงู„ุฃู† ุฃู‚ู„ ู…ู† ุฅุจุณู„ ู†ุฒู„ุช ุงู„ุฅุจุณู„ ุฒูŠ

677
01:06:01,020 --> 01:06:04,800
ู…ุง ู‡ูˆ ุฃุถุฑุจ ุงู„ุทุฑููŠู† ููŠ ุงุชู†ูŠู† ุตุงุฑุช ู‡ุฐุง

678
01:06:08,570 --> 01:06:14,790
ุฎู„ุงุตุŸ ุญุฏ ุจุฏู‰ ูŠุณุฃู„ ุชุงู†ู‰ุŸ ุทุจ ุงู„ู…ุซุงู„ ุงู„ู„ู‰ ุจุนุฏู‡

679
01:06:38,770 --> 01:06:52,770
ู…ุซุงู„ 3 ุงุณุชุฎุฏู… ุงุจุณู„ูˆู† ุฏู„ุชุง ุฏูŠููŠู†ูŠุดู† ู„ุชูˆุถูŠุญ ุฐู„ูƒ ู‚ูŠู…ุฉ

680
01:06:52,770 --> 01:07:00,430
ู„ู…ุง ุงู„ุงูƒุณ ุจุฏู‡ ุชุฑูˆุญ ู„ุชู„ุงุชุฉ ู„ู„ุงูƒุณ ุชูƒูŠุจ ูŠุณุจู‚ 27

681
01:07:18,130 --> 01:07:24,670
ู„ุฃ ู„ุฃ ู„ุฃ ู„ุฃ ู„ุฃ ู„ุฃ ู„ุฃ ู„ุฃ

682
01:07:24,670 --> 01:07:24,670
ู„ุฃ ู„ุฃ ู„ุฃ ู„ุฃ ู„ุฃ ู„ุฃ ู„ุฃ ู„ุฃ ู„ุฃ ู„ุฃ ู„ุฃ ู„ุฃ ู„ุฃ ู„ุฃ ู„ุฃ ู„ุฃ ู„ุฃ

683
01:07:24,670 --> 01:07:25,090
ู„ุฃ ู„ุฃ ู„ุฃ ู„ุฃ ู„ุฃ ู„ุฃ ู„ุฃ ู„ุฃ ู„ุฃ ู„ุฃ ู„ุฃ ู„ุฃ ู„ุฃ ู„ุฃ ู„ุฃ ู„ุฃ ู„ุฃ

684
01:07:25,090 --> 01:07:26,230
ู„ุฃ ู„ุฃ ู„ุฃ ู„ุฃ ู„ุฃ ู„ุฃ ู„ุฃ ู„ุฃ ู„ุฃ ู„ุฃ ู„ุฃ ู„ุฃ ู„ุฃ ู„ุฃ ู„ุฃ ู„ุฃ ู„ุฃ

685
01:07:26,230 --> 01:07:26,750
ู„ุฃ ู„ุฃ ู„ุฃ ู„ุฃ ู„ุฃ ู„ุฃ ู„ุฃ ู„ุฃ ู„ุฃ ู„ุฃ ู„ุฃ ู„ุฃ ู„ุฃ ู„ุฃ ู„ุฃ ู„ุฃ ู„ุฃ

686
01:07:26,750 --> 01:07:27,190
ู„ุฃ ู„ุฃ ู„ุฃ ู„ุฃ ู„ุฃ ู„ุฃ ู„ุฃ ู„ุฃ ู„ุฃ ู„ุฃ ู„ุฃ ู„ุฃ ู„ุฃ ู„ุฃ ู„ุฃ ู„ุฃ ู„ุฃ

687
01:07:27,190 --> 01:07:27,730
ู„ุฃ ู„ุฃ ู„ุฃ ู„ุฃ ู„ุฃ ู„ุฃ ู„ุฃ ู„ุฃ ู„ุฃ ู„ุฃ ู„ุฃ ู„ุฃ ู„ุฃ ู„ุฃ ู„ุฃ ู„ุฃ ู„ุฃ

688
01:07:27,730 --> 01:07:33,070
ู„ุฃ

689
01:07:33,070 --> 01:07:34,250
ู„ุฃ

690
01:07:43,100 --> 01:07:46,220
ูˆุงู„ุญูŠู† ุจุฏู†ุง ู†ุนูŠุฏ ู†ูุณ ุงู„ุชูƒุชูŠูƒ ุงู„ู„ูŠ ู‚ู„ู†ุงู‡ุง ููŠ

691
01:07:46,220 --> 01:07:49,760
ุงู„ู…ุซุงู„ูŠู† ุจุฏู†ุง ู†ุนูŠุฏู‡ ููŠ ุงู„ู…ุซุงู„ ุงู„ุชุงู„ุช ูƒู…ุงู† ู†ูุณ

692
01:07:49,760 --> 01:07:53,400
ุงู„ู…ูู‡ูˆู… ูŠุนู†ูŠ ู„ูˆ ุญุชู‰ ู…ุงูู‡ู…ุชุด ูˆู„ุง ูƒู„ู…ุฉ ู…ู† ุงู„ู…ุซุงู„ูŠู†

693
01:07:53,400 --> 01:07:55,980
ุงู„ุณูˆุงุฏ ุจุฏู†ุง ู†ุนูŠุฏู‡ ู†ูุณ ุงู„ูƒู„ุงู… ููŠ ุงู„ู…ุซุงู„ ุงู„ุชุงู„ุช

694
01:07:55,980 --> 01:08:01,180
ูˆุจุงู„ุชุงู„ูŠ ุจุณ ูƒู„ ูˆุงุญุฏ ููŠ ููƒุฑุฉ ุจุณูŠุทุฉ ุจุชุฎุชู„ู ุนู† ู…ูŠู† ุนู†

695
01:08:01,180 --> 01:08:07,910
ุงูŠ ุซุงู†ูŠุฉ ู„ูƒู† ู†ูุณ ุงู„ุชูƒุชูŠูƒุทูŠุจ ู†ุฌูŠ ุงู„ุขู† ู„ู„ุณุคุงู„ ุจูŠู‚ูˆู„

696
01:08:07,910 --> 01:08:12,210
ุงุณุชุฎุฏู… ู„ุจุณ ู…ู† ุฏู„ุชุง definition to show that limit

697
01:08:12,210 --> 01:08:15,650
ุงู„ุงูƒุณ ุชูƒูŠุจ ู„ู…ุง ุนู„ูŠูƒ ุชุฑูˆุญ ู„ุชู„ุงุชุฉ ุจุฏุณุฉ ูˆู…ูŠู† ุณุจุนุฉ

698
01:08:15,650 --> 01:08:19,730
ูˆุนุดุฑูŠู† ุจุฏู†ุง ู†ุญุท ุงู„ุชุนุฑูŠู ูŠุจู‚ู‰ ุจุงุฌูŠ ุจู‚ูˆู„ู‡ given

699
01:08:22,730 --> 01:08:31,310
ุฃุจุณู„ูˆู† ุฃูƒุชุฑ ู…ู† ุฒูŠุฑูˆ ู‡ู†ุงูƒ ุฏู„ุชุง ุฃูƒุชุฑ ู…ู† ุฒูŠุฑูˆ ุจุญูŠุซ ุฃู†

700
01:08:31,310 --> 01:08:37,910
ุงู„ุฒูŠุฑูˆ ุฃู‚ู„ ู…ู† ุงู„ X ู†ุงู‚ุต ุงู„ X node ุฃู‚ู„ ู…ู† ุฏู„ุชุง ูŠุนู†ูŠ

701
01:08:37,910 --> 01:08:44,610
ุฃู† ุงู„ F of X ู†ุงู‚ุต ุงู„ L ุฃู‚ู„ ู…ู† ู…ูŠู†ุŸ ุฃู‚ู„ ู…ู† ุงู„ุฃุจุณู„ูˆู†

702
01:08:50,220 --> 01:08:56,400
ุจู†ุนูŠุด ู†ุนูˆุถ ุชุญูˆูŠู„ ู…ุจุงุดุฑ ูŠุจู‚ู‰ zero ุฃู‚ู„ ู…ู† ุงู„ X ุงู„ X

703
01:08:56,400 --> 01:09:03,300
node ุจู‚ุฏุฑุงุด ุชู„ุงุชุฉ ุฃู‚ู„ ู…ู† Delta M plus F of X ุงู„ X

704
01:09:03,300 --> 01:09:11,520
ุชูƒูŠุจ ู†ู‚ุต ุงู„ L ุงู„ุชูŠ ู‡ูŠ 27 ุฃู‚ู„ ู…ู† Epsilon ู‡ู„ ุงุฎุชู„ูุช

705
01:09:11,520 --> 01:09:16,640
ุงู„ุจุฏุงูŠุฉ ุนู† ุงู„ุจุฏุงูŠุฉ ุงู„ุณุงุจู‚ุฉ ู„ู„ู…ุซุงู„ ูˆู„ุง ุญุงุฌุฉ ุทูŠุจ

706
01:09:18,740 --> 01:09:22,340
ู‡ุฐู‡ ู…ุงู„ูŠุด ุนู„ุงู‚ุฉ ููŠู‡ุง ุจุฎู„ูŠู‡ุง ูˆ ุจุฑู‡ ุนุดุงู† ูˆ ุงู„ููŠู† ููŠ

707
01:09:22,340 --> 01:09:29,020
ุงู„ุชุงู†ูŠุฉ ุจุทู„ ุนู„ู‰ ู‡ุฐู‡ ุดูˆ ุดูƒู„ ู‡ุฐู‡ ุฎุฑู‚ ุจูŠู† ุงู„ู…ุฌุชุนุจูŠู†

708
01:09:29,020 --> 01:09:33,860
ุทุจ ู‡ู†ุง ุนู†ุฏูŠ x ู†ุงู‚ุต ุซู„ุงุซุฉ ุฅุฐุง ุจุฏูŠ ุฃุฎู„ูŠูƒ ู‡ู†ุง ุฌุฏูŠุฏ x

709
01:09:33,860 --> 01:09:40,320
ู†ุงู‚ุต ุซู„ุงุซุฉ ุฅุฐุง ู‡ุฐู‡ x ู†ุงู‚ุต ุซู„ุงุซุฉ ู‡ูŠ ุงู„ absolute

710
01:09:40,320 --> 01:09:48,430
value x ุชุฑุจูŠุน ุฒูŠ ุงู„ุชู„ุงุชุฉ x ุฒูŠ ุงู„ุชุณุนุฉู…ุด 6x ู…ุด ุถุนู

711
01:09:48,430 --> 01:09:53,430
ุญุตู„ ุถุฑุจ ุงู„ูƒูŠู…ูŠุฉ ู…ุด ู…ุฑุจุนู‡ุง ุฏู‡ ุฌูˆุณ ุงู„ูƒู„ ุชุฑุจูŠู‡ุง ุฏู‡

712
01:09:53,430 --> 01:09:57,830
ูุฑู‚ ุจูŠู†ู‡ุง ู…ูƒุนุจูŠู† ุจุชุงุฎุฏ ุงู„ุฌุฏุฑ ุงู„ุชูƒูŠูŠุจ ู„ู„ term ุงู„ุฃูˆู„

713
01:09:57,830 --> 01:10:01,910
ุจุชุงุฎุฏ ุงู„ุฌุฏุฑ ุงู„ุชูƒูŠูŠุจ ู„ู„ x ุชูƒูŠูŠุจ ุงู„ู„ูŠ ู‡ูˆ x ุจุชุงุฎุฏ

714
01:10:01,910 --> 01:10:04,830
ุงู„ุฌุฏุฑ ุงู„ุชูƒูŠูŠุจ ู„ู„ term ุงู„ุชุงู†ูŠ ุงู„ู„ูŠ ู‡ูˆ ุชู„ุงุชุฉ ูˆ

715
01:10:04,830 --> 01:10:09,490
ุงู„ุฅุดุงุฑุฉ ุฒูŠ ู…ุง ู‡ูŠ ุจุนุฏูƒ ุงู„ุฌูˆุณ ุงู„ุชุงู†ูŠ ู…ุฑุจุน ุงู„ุฃูˆู„ู‰

716
01:10:09,490 --> 01:10:14,830
ุงู„ุฅุดุงุฑุฉ ู†ุงู‚ุต ุจุตูŠุฑ ุฒุงุฆุฏ ุนูƒุณ ุชู…ุงู…ุง ุญุตู„ ุถุฑุจ ู„ูŠู‡ ุงุชู†ูŠู†

717
01:10:15,000 --> 01:10:22,920
ู…ุฑุจุน ุงู„ู‚ูŠู…ุฉ ุงู„ุชุงู†ูŠุฉ ุชู…ุงู… ู‡ุฐุง ุงู„ู…ู‚ุฏุงุฑ ู…ุงู„ู‡ ุฃู‚ู„ ู…ู†

718
01:10:22,920 --> 01:10:31,360
ู…ูŠู† ุฃู‚ู„ ู…ู† ุฅู…ุณู† ู‡ุฐุง ู‡ูˆ ู‡ุฐุง ู…ุงุชุบูŠุฑุด ูŠุจู‚ู‰ ูƒู„ ุงู„ู„ูŠ

719
01:10:31,360 --> 01:10:36,100
ุจู‚ุฏุฑ ุฃู‚ูˆู„ู‡ ู‡ุฐุง ู…ุนู†ุงู‡ absolute value ู„ู„ X ู†ุงู‚ุต

720
01:10:36,100 --> 01:10:41,400
ุชู„ุงุชุฉ ููŠ ุงู„ absolute value ู„ู„ X ุชุฑุจูŠุฉ ุฒูŠ ุงู„ุชู„ุงุชุฉ X

721
01:10:41,400 --> 01:10:46,980
ุฒูŠ ุงู„ุชุณุนุฉ ุฃู‚ู„ ู…ู† ู…ูŠู†ู…ู† ุงู„ epsilon ุงุฐุง ุงู†ุง ุจุฏู‰

722
01:10:46,980 --> 01:10:53,180
ุงุชุฎู„ุต ู…ู† ุงู„ู…ู‚ุฏุงุฑ ู‡ุฐุง ุจุฑู‚ู… ู„ุงู† ุงู„ X ู†ุงู‚ุต ุซู„ุงุซุฉ

723
01:10:53,180 --> 01:10:58,120
ู…ูˆุฌูˆุฏุฉ ุนู†ุฏู‰ ู‡ู†ุง ูˆูŠู† ู…ูˆุฌูˆุฏุฉ ุนู„ู‰ ุงู„ุฅุดู…ุงู„ ุจุฏุงู„ู‰ ุงุณุฃู„ูƒ

724
01:10:58,120 --> 01:11:03,980
ุจุฏุงู„ู‰ ุงุณุฃู„ูƒ ุงุชู…ู†ู‰ ู…ู† ู…ู† ูˆ ู„ุง ูˆูŠู† ูƒู„ ุงู„ real line

725
01:11:03,980 --> 01:11:07,040
ู…ุธุจูˆุท ุงุฐุง ู‡ุฐุง ู„ุง ุจู‚ุฏู… ูˆู„ุง ุจุฎุฏู…ู‡ ู…ุด ุฒู‰ ุงู„ุณุคุงู„ ุงู„ู„ู‰

726
01:11:07,040 --> 01:11:11,390
ู‚ุจู„ู‡ูŠุจู‚ู‰ ู…ูุชูˆุญุฉ ุงู„ุฏู†ูŠุง ู‚ุฏุงู…ูƒ ุงู„ู„ู‡ ู…ูŠุณุฑู‡ุง ุฎุงู„ุต

727
01:11:11,390 --> 01:11:19,130
ู…ู…ุชุงุฒ ุฌุฏุง ูŠุจู‚ู‰ ู‡ู†ุง ุงู„ domain ู„ุฏุงู„ุฉ F ุจุฏู‰ ูŠุณุงูˆูŠ ู…ู†

728
01:11:19,130 --> 01:11:23,710
ุณุงู„ุจ infinity ุงู„ู‰ infinity ุงุฐุง ู‡ุฐู‡ ู…ุงุชุฌูŠุจุชู„ูŠุด ุฌุฏูŠุฏ

729
01:11:23,710 --> 01:11:29,650
ู„ูƒู† ุงู†ุง ุนู†ุฏู‰ ุงู„ X ุจุชุฑูˆุญ ู„ูˆูŠู† ู„ุชู„ุงุชุฉ

730
01:11:29,650 --> 01:11:35,390
ุทูŠุจ ุชุนุงู„ู‰ ู†ุดูˆู ุงู„ู‚ุตุฉ ุนุงุฏูŠ ุฎู„ูŠ ุจุงู„ูƒ ู‡ู†ุง ู‡ุฐุง ุงู„ real

731
01:11:35,390 --> 01:11:41,400
lineูˆ ู‡ุงุฏ ุงู„ X ุจุฏู‡ุง ุชุฑูˆุญ ู„ูˆูŠู†ุŸ ู„ูŠู‡ ุงู„ุชู„ุงุชุฉุŸ ุณุคุงู„

732
01:11:41,400 --> 01:11:47,260
ุงู„ุฏู„ุชุง ุจุชุงุฎุฏ ู‚ูŠู… ุณุงู„ุจุฉุŸ ู„ุงู†ู‡ุง ุชูƒูˆู† ู‚ูŠู… ุณุงู„ุจุฉุŒ

733
01:11:47,260 --> 01:11:51,700
ู…ุธุจูˆุทุŒ ูŠุจู‚ู‰ ุงู„ุฏู„ุชุง ุฏุงูŠู…ุง ุฃูƒุจุฑ ู‚ูŠู… ูˆุงุฌุจุฉูŠุนู†ูŠ ู‚ุฏุงุด

734
01:11:51,700 --> 01:11:57,160
ุฃูƒุจุฑ ู‚ูŠู…ุฉ ู„ู€ Delta ู…ู…ูƒู† ุชูƒูˆู† ุชู„ุงุชุฉ ู…ุด ุบูŠุฑู‡ู… ุตุญูŠุญ

735
01:11:57,160 --> 01:12:01,980
ูˆู„ุง ู„ูŠุดุŸ ู„ุฅู† ู‡ูŠ ุงู„ู€ Zero ู‚ุจู„ ุงู„ู€ Zero ุจุฏุฃ ุงู„ุตูŠู

736
01:12:01,980 --> 01:12:07,320
ุชุงุฎุฏ ู‚ูŠู… ุณุงู„ุจุฉ ูŠุจู‚ู‰ ุฃู‚ุตู‰ ู‚ูŠู…ุฉ ู„ู€ Delta ุจุชุจู‚ู‰ ุฃูŠุงุดุŸ

737
01:12:07,320 --> 01:12:13,320
ุชู„ุงุชุฉ ูŠุนู†ูŠ X ุณุชุชุญุฑูƒ ููŠ ุงู„ูุชุฑุฉ ู…ู† Zero ู„ุชู„ุงุชุฉ ูˆู…ู…ูƒู†

738
01:12:13,320 --> 01:12:18,170
ุจุนุฏ ู…ูŠู†ุŸุจุนุฏ ุงู„ุชู„ุงุชุฉ ุงู„ู„ูŠ ุนู†ุฏู†ุง ู‡ุฐุง ู…ุด ู‡ูŠูƒ ุทูŠุจ

739
01:12:18,170 --> 01:12:22,410
ุชุนุงู„ู‰ ู†ุดูˆู ุงู„ูƒู„ุงู… ุงู„ู„ูŠ ุนู†ุฏู†ุง ู‡ุฐุง ุฅูŠุด ุจุฏู†ุง ู†ุณุชููŠุฏ

740
01:12:22,410 --> 01:12:34,690
ู…ู†ู‡ ูŠุจู‚ู‰ ุจุงุฌูŠ ุจู‚ูˆู„ู‡ ุงู„ุงู† since ุจู…ุง ุฃู† ุงู„ X ุจุฏุฃ

741
01:12:34,690 --> 01:12:43,540
ุชุฑูˆุญ ู„ูŠู‡ ุชู„ุงุชุฉ andุงู„ู€ Delta ุฏุงุฆู…ุง ุฃูƒุจุฑ ู…ู† 0 ูŠุจู‚ู‰

742
01:12:43,540 --> 01:12:56,700
ูˆูŠ can take Delta to be any number

743
01:12:56,700 --> 01:13:06,700
in ุงู„ูุชุฑุฉ ู…ู† 0 ู„ุบุงูŠุฉ 3 ู‚ุฏ ู…ุง ุจุฏูƒ ุฎุฏู‡ุŒ ุฃูŠ ุฑู‚ู… ูŠุนุฌุจูƒ

744
01:13:06,700 --> 01:13:13,500
ู…ู† 0 ู„3ูˆุงุญุฏ ุงุชู†ูŠู† ุชู„ุงุชุฉ ูˆุงุญุฏ ูˆ ู†ุต ูˆุงุญุฏ ูˆ ุชู„ุงุชุฉ

745
01:13:13,500 --> 01:13:17,700
ุงุฑุจุนุฉ ุงุชู†ูŠู† ุฒูŠ ู…ุง ูƒู„ ูˆุงุญุฏ ูŠุงุฎุฏ ุฑู‚ู… ุดูƒู„ ุงูŠุด ุจุชุงุฎุฏ

746
01:13:17,700 --> 01:13:21,360
ุจุชู„ุงู‚ูŠ ุงุจุณู†ุท ุจุชุนุชู…ุฏ ุนู„ูŠู‡ุง ุฎุงู„ูŠ ุจุงู„ูƒ ู‡ู†ุง ุงู„ุงู† ู„ูˆ

747
01:13:21,360 --> 01:13:26,120
ุฃุฎุฏู†ุง delta ุจูˆุงุญุฏ ุนู„ู‰ ุณุจูŠู„ ุงู„ู…ุซุงู„ ูŠุจู‚ู‰ ุจุงุฌูŠ ุจู‚ูˆู„ู‡

748
01:13:26,120 --> 01:13:31,060
ุฒูŠ ู…ุง ุงุญุฏ ุงู‚ุชุฑุญ ุงูˆู„ ุงู‚ุชุฑุญ ู‚ุงู„ูŠ ูˆุงุญุฏ F delta ุชุณุงูˆูŠ

749
01:13:31,060 --> 01:13:35,260
ูˆุงุญุฏ ุดูˆู ู‡ุฐู‡ ุงูŠุด ุจูŠุฌูŠ ุจุงู„ูƒ ุทุจุนุง ูˆุงุญุฏ ู…ู…ูƒู† ูŠุงุฎุฏู‡ุง

750
01:13:35,260 --> 01:13:40,380
ุงุชู†ูŠู†ุทุจุนุง ูƒู„ู‡ ุจูŠุฎุชู„ู ุนู† ุงู„ุซุงู†ูŠ ูˆุจุงู„ุชุงู„ูŠ ู…ุงููŠุด

751
01:13:40,380 --> 01:13:48,900
ู…ุดูƒู„ุฉ ุงู‚ู„ ุงูŠูˆุฉ ุงู„ domain

752
01:13:48,900 --> 01:13:51,740
ุณุจุนุฉ ุฏู‡ ู„ู…ู† ุตูุฑู‡ ูˆุงุทู„ุน ูˆู„ุง ุงู„ domain ูƒู„ู‡ ุงู„ real

753
01:13:51,740 --> 01:13:56,700
line ู‡ุฐุง ูƒู†ุช ู…ู‚ูŠุฏ ุงู†ุง ุจุงู„ domain ู„ูƒู† ู‚ุจู„ ุดูˆูŠุฉ ู‚ูˆู„

754
01:13:56,700 --> 01:14:00,710
ุงู† ู‡ุฐุง ุงู„ domain ูƒู„ู‡ ุงู„ real lineุทุจ ู„ูŠุด ุฃู†ุง ุชู‚ูŠุช

755
01:14:00,710 --> 01:14:04,650
ู…ู† ุตูุฑ ู„ุซู„ุงุซุฉ ู„ุฃู† ุงู„ delta ุฏุงุฆู…ุง ูˆ ุฃุจุฏุง ู…ูˆุฌุจ ูŠุจู‚ู‰

756
01:14:04,650 --> 01:14:08,150
ุจู‚ุฏุฑุด ุฃุฑุฌุน ู‚ุจู„ ุงู„ุตูุฑ ูˆ ุฃุฎุฏ ู‚ูŠู… ุณุงู„ู…ุฉ ูŠุจู‚ู‰ ุงู„ delta

757
01:14:08,150 --> 01:14:13,190
ุจู‚ุฏุฑ ุฃุฎุฏ ุฃูŠ ุฑู‚ู… ู…ู† ุตูุฑ ู„ูˆูŠุงู† ู„ุซู„ุงุซุฉ ุนุฑูุช ู„ูŠุดุŸ ุทูŠุจ

758
01:14:14,140 --> 01:14:17,720
ุฃุฎุฏู†ุงู‡ุง ุงู‚ุชุฑุญ ูˆุงุญุฏ ุงู„ุดุจุงุจ ุงู† ูŠุงุฎุฏ ุฏู„ุชุง ุจู‡ุฐุง ู‚ู„ุช ู„ู‡

759
01:14:17,720 --> 01:14:22,400
ู…ุงุดูŠ ุดูˆู ู‡ุฐู‡ ุงู„ู„ูŠ ูˆูŠู† ุจุฏู‡ุง ุชูˆุตู„ู†ุง ุงู„ุงู† ุงุญู†ุง ุนู†ุฏู†ุง

760
01:14:22,400 --> 01:14:27,160
ู…ูŠู†ุŸ ุนู†ุฏู†ุง ู‡ู†ุง ุงู„ absolute value ู„ X ู†ุงู‚ุต ุซู„ุงุซุฉ

761
01:14:27,160 --> 01:14:32,080
ุงู‚ู„ ู…ู† Delta ูŠุจู‚ู‰ X ู†ุงู‚ุต ุซู„ุงุซุฉ ุจูŠุตูŠุฑ ุงู‚ู„ ู…ู† ู…ูŠู†ุŸ

762
01:14:32,080 --> 01:14:38,720
ู…ู† ูˆุงุญุฏ ุงู„ุงู† sense ุจู…ุนู†ู‰Solute value ู„ู„ู€ X ู†ุงู‚ุต

763
01:14:38,720 --> 01:14:44,280
ุซู„ุงุซุฉ ุฃู‚ู„ ู…ู† Delta ูˆ Delta ุฃุฎุฏู†ุงู‡ุง ูŠุณุงูˆูŠ ูˆุงุญุฏ ู‡ุฐุง

764
01:14:44,280 --> 01:14:50,980
ู…ุนู†ุงู‡ ุฃู† X ู†ุงู‚ุต ุซู„ุงุซุฉ ุฃู‚ู„ ู…ู† 100 ู…ู† ุงู„ูˆุงุญุฏ ู‡ุฐุง

765
01:14:50,980 --> 01:14:55,560
ู…ุนู†ุงู‡ุงู† ุงู„ุงูƒุณ ู†ุงู‚ุต ุซู„ุงุซุฉ ุงู‚ู„ ู…ู† ูˆุงุญุฏ ูˆ ุงูƒุจุฑ ู…ู†

766
01:14:55,560 --> 01:15:01,760
ู…ูŠู†ุŸ ู…ู† ุณุงู„ุจ ูˆุงุญุฏ ุถูŠู ุชู„ุงุชุฉ ู„ู„ุซู„ุงุซุฉ ุงุทุฑุงู ุจุตูŠุฑ

767
01:15:01,760 --> 01:15:08,760
ุงุชู†ูŠู† ุงู‚ู„ ู…ู† ุงูƒุณ ุงู‚ู„ ู…ู† ู…ูŠู†ุŸ ู…ู† ุงุฑุจุนุฉ ูŠุจู‚ู‰ ุงู† ุญุฏุซ

768
01:15:08,760 --> 01:15:15,090
ุฐู„ูƒูุงู„ X ุฏุงุฆู…ุง ูˆ ุฃุจุฏุง ู…ู…ูƒู† ุชูƒูˆู† ู…ุงู„ู‡ุง ูŠุณุงูˆูŠ ุฃุฑุจุนุฉ

769
01:15:15,090 --> 01:15:21,670
ุฃูˆ ุฃู‚ู„ ู…ู† ู…ูŠู† ุฃูˆ ุฃู‚ู„ ู…ู† ุฃุฑุจุนุฉ ูŠุนู†ูŠ ุงุญู†ุง ุจู†ู‚ุฏุฑ ู†ุงุฎุฏ

770
01:15:21,670 --> 01:15:29,570
ุงู†ู‡ any number in 0 ู„ุบุงูŠุฉ 3 ุทุจ ู„ูŠุด ู…ุงุฎุฏุชุด ุชู„ุงุชุฉุŸ

771
01:15:30,900 --> 01:15:35,840
ุฎู„ุชู‡ุง closed interval ู„ุฃู† ุงู„ function ู…ู…ูƒู† ุชูƒูˆู†

772
01:15:35,840 --> 01:15:39,560
ุนู†ุฏู‡ุง ู…ุด ู…ุนุฑูุฉุŒ ุตุญูŠุญ ูˆู„ุง ู„ุงุŸ ูˆุจุงู„ุชุงู„ูŠ ู…ุงุนู†ุฏูŠ

773
01:15:39,560 --> 01:15:44,060
ู…ุดูƒู„ุฉุŒ ูŠุจู‚ู‰ ุฃู†ุง ุฎู„ุชู‡ุง ูุชุฑุฉ ู…ูุชูˆุญุฉ ู„ุฅู† ุฏู‡ ู‚ุฏ ุชูƒูˆู†

774
01:15:44,060 --> 01:15:48,300
ุบูŠุฑ ู…ุนุฑูุฉุŒ ู„ูƒู† ู…ุณุฃู„ุชู†ุง ู‡ุฐู‡ุŒ ุนู†ุฏ ุงู„ุชู„ุงุชุฉ ู…ุนุฑูุฉ ูˆู„ุง

775
01:15:48,300 --> 01:15:53,080
ู„ุงุŸู…ุนุฑูุฉ ุนู†ุฏ ุงู„ุชู„ุงุชุฉ ูˆุนู†ุฏ ุงู„ุฃุฑุจุนุฉ ูˆุนู†ุฏ ุงู„ู…ูŠุฉ ูˆุนู†ุฏ

776
01:15:53,080 --> 01:15:58,620
ุงู„ุฃู„ู ูŠุจู‚ู‰ ุจุฅู…ูƒุงู†ูŠ ุฃุฎุฏู‡ุง ู‡ู†ุง ู…ู† zero ู„ุชู„ุงุชุฉ ูƒ

777
01:15:58,620 --> 01:16:03,180
closed interval ูŠุนู†ูŠ ู‡ู†ุง ุจู‚ุฏุฑ ุฃู‚ูˆู„ู‡ ุจุฏู„ ู…ุง ู‡ูŠ

778
01:16:03,180 --> 01:16:07,280
ู…ูุชูˆุญุฉ ุจู‚ุฏุฑ ุฃู‚ูˆู„ู‡ closed ุจุงู„ุดูƒู„ ุงู„ู„ูŠ ุนู†ู‡ุง ู‡ู†ุง

779
01:16:07,280 --> 01:16:12,840
ูˆู„ู…ู‘ุง ุฃู‚ูˆู„ู‡ closed ูŠุจู‚ู‰ ู‡ุฐู‡ ุจุฏู‡ุง ุชุตูŠุฑ ุฃู‚ู„ ู…ู† ุฃูˆ

780
01:16:12,840 --> 01:16:18,240
ูŠุณุงูˆูŠ ูˆู‡ู†ุง ุฃู‚ู„ ู…ู† ุฃูˆ ูŠุณุงูˆูŠ ูˆู‡ู†ุง ุฃู‚ู„ ู…ู† ุฃูˆ ูŠุณุงูˆูŠ

781
01:16:18,240 --> 01:16:24,570
ุฃุฑุจุนุฉู…ูŠุฉ ุงู„ู…ูŠุฉ ูŠุจู‚ู‰ ุงู„ุฏู…ูŠุฉ ู„ู‡ ุฏูˆุฑ ูƒุจูŠุฑ ููŠ ุงู„ู…ูˆุถูˆุน

782
01:16:24,570 --> 01:16:29,550
ุทูŠุจ ุฅุฐุง ุฃู†ุง ู„ูˆ ุฃุฎุฏุช ุงู„ X ูŠุณุงูˆูŠ ุฃุฑุจุนุฉ ุดูˆู ุฅูŠุด ุงู„ู„ูŠ

783
01:16:29,550 --> 01:16:35,590
ุจุฏู‡ ูŠุตูŠุฑ ูŠุจู‚ู‰ ุจุงุฌูŠ ุจู‚ูˆู„ู‡ F ุงู„ X ุชุณุงูˆูŠ ุฃุฑุจุนุฉ then

784
01:16:35,590 --> 01:16:41,770
ุฃู†ุง ู…ุดูƒู„ุชูŠ ู…ุน ู…ูŠู† ู…ุน ู‡ุฐุงุŸ ูŠุจู‚ู‰ ุฃู†ุง ุนู†ุฏูŠ X ุชุฑุจูŠุฉ

785
01:16:41,770 --> 01:16:48,910
ุฒุงุฆุฏ ุชู„ุงุชุฉ X ุฒุงุฆุฏ ุชุณุนุฉู…ุธุจูˆุท ูˆู„ุง ู„ุงุŸ ุฎู„ู‘ูŠ ู‡ุฐู‡

786
01:16:48,910 --> 01:16:53,450
ุงู„ู…ุนู„ูˆู…ุฉ ูˆ ุชุนุงู„ู‰ ุฃุฐูƒุฑูƒ ุฎูˆุงุต ุงู„ absolute value ู…ู†

787
01:16:53,450 --> 01:16:57,250
ุฎูˆุงุต ุงู„ absolute value ุจู‚ู‰ ูŠู‚ูˆู„ absolute value ู„ A

788
01:16:57,250 --> 01:17:03,110
ุฒุงุฆุฏ ุงู„ B ุฃู‚ู„ ู…ู† ุฃูˆ ูŠุณูˆูŠ absolute value ู„ A ุฒุงุฆุฏ

789
01:17:03,110 --> 01:17:09,670
absolute value ู„ B ุตุญูŠุญ ูˆู„ุง ู„ุงุŸ ุณูƒุช ุงู„ุดุนุจู…ุฑุช ุนู„ูŠูƒู…

790
01:17:09,670 --> 01:17:17,310
ู‡ุฐู‡ุŸ ู„ุฃุŸ ุงุฎุณุฑู‡ุง ุทูŠุจุŒ ุจุฏูŠ ุงุนุชุจุฑู‡ ู„ุฃุŸ ุฎู„ูŠู†ูŠ ู…ุนุงู‡ู…

791
01:17:17,310 --> 01:17:22,550
ุงู„ู„ูŠ ุจูŠู‚ูˆู„ ู„ุฃ ู„ุฃ ู„ุฃ ู„ุฃ ุทูŠุจ ุงู„ุณุคุงู„ ู„ูŠุด ู…ุฑุฉ ูŠุณุงูˆูŠ

792
01:17:22,550 --> 01:17:28,290
ู…ุฑุฉ ุฃู‚ู„ ู…ู† ุชุนุงู„ูŠ ู†ู‚ูˆู„ูƒุฅุฐุง ุงุชุญุฏุช a ูˆ b ููŠ ุงู„ุฅุดุงุฑุฉ

793
01:17:28,290 --> 01:17:32,190
ูŠุนู†ูŠ ูƒุงู† ุงู„ a ูˆ ุงู„ b ุจุงู„ู…ูˆุฌุจ ุฃูˆ ุงู„ a ูˆ ุงู„ b

794
01:17:32,190 --> 01:17:38,490
ุจุงู„ุณุงู„ู… ู…ุซู„ุง 2 ูˆ 5 ูŠุจู‚ู‰ 2 ุฒุงุฆุฏ 5 ูŠุจู‚ู‰ 7 ูŠุจู‚ู‰ 7

795
01:17:38,490 --> 01:17:42,450
ุฃุจุณูˆู„ ูŠุชูˆู„ู‰ ู„ 7 ุจ7 ุฃุจุณูˆู„ ูŠุชูˆู„ู‰ ู„ 2 ุจ2 ุฃุจุณูˆู„ ูŠุชูˆู„ู‰

796
01:17:42,450 --> 01:17:47,970
ู„ 5 ุจ5 ูˆ 2 ุจ7 ุจุฃูŠ ุชุณุงูˆูŠู„ูˆ ูƒุงู†ูˆุง ุงู„ุชู†ุชูŠู† ุจุงู„ุณุงู„ุจ

797
01:17:47,970 --> 01:17:51,210
ูŠุจู‚ู‰ ุงู„ุณุงู„ุจ ุงุชู†ูŠู† ูˆุงู„ุณุงู„ุจ ุฎู…ุณุฉ ุงู„ุณุงู„ุจ ุณุจุนุฉ

798
01:17:51,210 --> 01:17:54,790
absolute value ุจุงู„ุณุจุนุฉ absolute value ุงู„ุณุงู„ุจ ุงุชู†ูŠู†

799
01:17:54,790 --> 01:17:57,310
ุจุงุชู†ูŠู† absolute value ุงู„ุณุงู„ุจ ุฎู…ุณุฉ ุจุฎู…ุณุฉ ูŠุจู‚ู‰

800
01:17:57,310 --> 01:18:03,170
ุงู„ุณุงุจุนุฉ ูŠุจู‚ู‰ ุงุฐุง ุงุชุญุฏุช ุงู„ุงุดุงุฑุชุงู† ูุฏุงุฆู…ุง ุจูŠุญุฏุซ

801
01:18:03,170 --> 01:18:06,870
ุงู„ุชุณุงูˆุชุทุจ ุจุฏู‡ ูŠุฎู„ู‘ูŠ ูˆุงุญุฏุฉ ู…ูˆุฌุจุฉ ูˆุงู„ุชุงู†ูŠุฉ ุณู„ุจุฉ ูˆ

802
01:18:06,870 --> 01:18:10,770
ุจุฏู‡ ูŠุฎู„ู‘ูŠ ุงู„ูƒุจูŠุฑุฉ ุจุงู„ุณุงู„ู ุจุฏู‡ ูŠู‚ูˆู„ูŠ ุงุชู†ูŠู† ูˆ ุณุงู„ู

803
01:18:10,770 --> 01:18:15,610
ุฎู…ุณุฉ ุงุชู†ูŠู† ูˆ ุณุงู„ู ุฎู…ุณุฉ ุชุนู†ูŠ ุณุงู„ู ุชู„ุงุชุฉ absolute

804
01:18:15,610 --> 01:18:19,450
ุชู„ุงุชุฉ ุทูŠุจ absolute value ู„ูŠู‡ ุงุชู†ูŠู† ูˆ ุงุชู†ูŠู† ูˆ

805
01:18:19,450 --> 01:18:22,430
absolute value ู„ุณุงู„ู ุฎู…ุณุฉ ูˆ ุฎู…ุณุฉ ุณุจุนุฉ ุชู„ุงุชุฉ ู‚ู„ ู…ู†

806
01:18:22,430 --> 01:18:26,850
ุณุจุนุฉู…ุธุจูˆุท ูˆู„ุง ู„ุงุŸ ูŠุจู‚ู‰ ุงู„ equality ู‡ุฐู‡ ุฏุงุฆู…ุง ูˆ

807
01:18:26,850 --> 01:18:31,950
ุฃุจุฏุง ุตุญูŠุญุฉ ู„ูƒู„ real number ุฅุฐุง ุชุณุงูˆุช a ูˆ b ููŠ

808
01:18:31,950 --> 01:18:36,350
ุงู„ุฅุดุงุฑุฉ ูŠุจู‚ู‰ ููŠ ู‡ุฐู‡ ุงู„ุญุงู„ุฉ ุจูŠุญุฏุซ ุงู„ุชุณุงูˆูŠ ุจูŠู†

809
01:18:36,350 --> 01:18:41,500
ุงู„ู…ู‚ุฏุงุฑูŠู†ุฅุฐุง ุงุฎุชู„ูุช A ูˆB ููŠ ุงู„ู‡ุดุงุฑุฉ ุจูŠุญุตู„ ุงู„ู€ ุฃู‚ู„

810
01:18:41,500 --> 01:18:45,620
ู…ู†ุŒ ุญุท ู„ู‡ ุงู„ู…ุนู„ูˆู…ุฉ ุนู†ุฏูƒ ูˆ ุจุฏู†ุง ู†ุทุจู‚ู‡ุงุŒ ุฅุฐุง ู‡ุฐู‡

811
01:18:45,620 --> 01:18:50,720
ุฏุงุฆู…ุง ูˆ ุฃุจุฏุง ุฃู‚ู„ ู…ู† ุฃูˆ ุชุณุงูˆูŠ absolute value ู„ X

812
01:18:50,720 --> 01:18:56,540
ุชุฑุจูŠุฉ ุฒูŠุฏ absolute value ู„ 3X ุฒูŠุฏ absolute value ู„

813
01:18:56,540 --> 01:19:04,180
9ุชู…ุงู…ุŸ ุทูŠุจ ู‡ุฐู‡ ุฃู‚ู„ ู…ู† ุฃูˆ ุชุณุงูˆูŠ ู‡ุฐู‡ ุฃุฑุจุนุฉ ุชุฑุจูŠุฉ

814
01:19:04,180 --> 01:19:10,600
ุจู‚ุฏุงุดุŸ ุณุชุฉ ุนุดุฑ ุชู„ุงุชุฉ ููŠ ุฃุฑุจุนุฉ ุจุงุทู†ุงุด ุฒุงุฆุฏ ุชุณุนุฉ

815
01:19:10,600 --> 01:19:18,380
ุชู…ุงู†ูŠุฉ ูˆ ุนุดุฑูŠู† ูˆุชุณุนุฉ ู‚ุฏุงุด ุณุจุนุฉ ูˆ ุชู„ุงุชูŠู†ุทูŠุจ ุฅุฐุง ุตุงุฑ

816
01:19:18,380 --> 01:19:25,040
ู‡ุฐุง ุงู„ู…ู‚ุฏุงุฑ ุฃู‚ู„ ู…ู† ู…ูŠู†ุŸ ู…ู† ุณุจุนุฉ ูˆ ุชู„ุงุชูŠู†ุŒ ู…ู…ุชุงุฒ

817
01:19:25,040 --> 01:19:30,000
ุฌุฏุงุŒ ูŠุจู‚ู‰ ุฃู†ุง ุจุฏูŠ ุฃุฑุฌุน ู„ู…ุณุฃู„ุฉ ู‡ู†ุงุŒ ูŠุจู‚ู‰ ุฃู†ุง ุนู†ุฏูŠ

818
01:19:30,000 --> 01:19:39,210
zero ุฃู‚ู„ ู…ู† ุงู„ Xู†ู‚ุต ุซู„ุงุซุฉ ุฃู‚ู„ ู…ู† delta implies ุดูˆู

819
01:19:39,210 --> 01:19:46,310
ุงูŠุด ุงู„ู„ูŠ ุญุตู„ ุนู†ุฏู†ุง ุงู„ู…ุซู„ุฉ ูƒุงู†ุช x ู†ุงู‚ุต ุซู„ุงุซุฉ ููŠ x

820
01:19:46,310 --> 01:19:55,200
ุชุฑุจูŠุฉ ุฒุงุฆุฏ ุชู„ุงุชุฉ x ุฒุงุฆุฏ ุชุณุนุฉู‡ุฐุง ุฃู‚ู„ ู…ู† ุฃูˆ ูŠุณุงูˆูŠ

821
01:19:55,200 --> 01:20:01,300
ุงู„ู„ูŠ ู‡ูˆ ุงู„ X ู†ุงู‚ุต ุซู„ุงุซุฉ ููŠ ุฌุฏุงุด ููŠ ุณุจุนุฉ ูˆ ุชู„ุงุชูŠู†

822
01:20:01,300 --> 01:20:08,680
ูˆู‡ุฐุง ูƒู„ู‡ ุฃู‚ู„ ู…ู† ู…ูŠู† ุฃู‚ู„ ู…ู† ุงู„ epsilon ุทุจุนุง ุทู„ู‘ุงู„ูŠ

823
01:20:08,680 --> 01:20:15,520
ููŠ ูŠุฏูŠู…ู…ูƒู† ุงู‚ุณู… ูƒู„ู‡ ุนู‚ุฏุงุด ุนู„ู‰ ุณุจุนุฉ ูˆ ุชู„ุงุชูŠู† ูŠุจู‚ู‰

824
01:20:15,520 --> 01:20:22,440
ุจูŠุตูŠุฑ ุงู„ X ู†ุงู‚ุต ุซู„ุงุซุฉ ุงู‚ู„ ู…ู† ุงู„ epsilon ุนู„ู‰ ุณุจุนุฉ ูˆ

825
01:20:22,440 --> 01:20:30,880
ุชู„ุงุชูŠู† ุชู…ุงู…ุŸ ุงุฐุง ูƒู… ู‚ูŠู…ุฉ ู„ delta ุตุงุฑุช ุนู†ุฏู‰ุŸ Delta

826
01:20:30,880 --> 01:20:38,640
ุนู†ุฏู‰ ู‡ู†ุง ุจูˆุงุญุฏูˆ delta ู‡ู†ุง ู‡ุฐุง ุจุฏู‡ ูŠุนุทูŠู„ูƒ ุงู†ู‡ delta

827
01:20:38,640 --> 01:20:46,480
ุชุณุงูˆูŠ epsilon ุนู„ู‰ ุณุจุนุฉ ูˆ ุชู„ุงุชูŠู† ู„ูŠุด ู‡ุงูŠ ู‡ุฐู‡ ูˆู‡ุงูŠ

828
01:20:46,480 --> 01:20:53,340
ู‡ุฐู‡ ุงู„ู„ูŠ ุนู†ุฏู†ุง ุทุจ ุฏู‡ ุงุณุฃู„ูƒูˆุง ุณุคุงู„ ุงู„ู‚ูŠู…ุฉ ุงู„ู„ูŠ ุทู„ุนุช

829
01:20:53,340 --> 01:20:58,880
ุงู† ู‡ุฐู‡ ุงุนุชู…ุฏุช ุนู„ู‰ ุงู„ูˆุงุญุฏ ุงุซู†ุงุก ุงู„ุญุณุงุจุงุช ูˆู„ุง ู„ุงุฃู‡

830
01:20:58,880 --> 01:21:03,700
ุงุนุชู…ุฏุช ุงุนุชู…ุฏุช ู„ุฃู† ู‡ุฐู‡ ุงุนุชู…ุฏุช ุนู„ู‰ ุงู„ูˆุงุญุฏ ู‡ูŠู‡

831
01:21:03,700 --> 01:21:08,840
ูˆุงู„ุงุฑุจุนุฉ ุฌู† ุญุณุจู†ุงู‡ุง ุจู‚ู‰ ุงู„ุณุจุนุฉ ูˆุชู„ุงุชูŠู† ุงุฐุง ุงุนุชู…ุฏุช

832
01:21:08,840 --> 01:21:12,880
ุนู„ูŠู‡ุง ุงู„ุงุจุณู† ุนู„ู‰ ุงู„ุณุจุนุฉ ูˆุชู„ุงุชูŠู† ุงุนุชู…ุฏุช ุนู„ูŠ ู…ุงู… ุนู„ู‰

833
01:21:12,880 --> 01:21:17,000
ุงู„ูˆุงุญุฏ ุงู„ุงู† ุงู„ุงุจุณู† ุนู„ู‰ ุงู„ุณุจุนุฉ ูˆุชู„ุงุชูŠู† ูŠู…ูƒู† ุชูƒูˆู†

834
01:21:17,000 --> 01:21:22,800
ุงูƒุจุฑ ู…ู† ุงู„ูˆุงุญุฏ ูˆูŠู…ูƒู† ุชูƒูˆู† ุงู‚ู„ ู…ู† ุงู„ูˆุงุญุฏ ู…ูŠู† ููŠู‡ู…

835
01:21:22,800 --> 01:21:26,040
ุฏู„ุชุงุจุŸ ุงู„ูˆุงุญุฏ ูˆุงู„ุงุจุณู† ุนู„ู‰ ุงู„ุณุจุนุฉ ูˆุชู„ุงุชูŠู†

836
01:21:29,010 --> 01:21:32,330
ู…ู† ูˆุงุญุฏ ู„ ุณุจุนุฉ ูˆ ุชู„ุงุชูŠู† ู…ู† ูˆุงุญุฏ ู„ ุฅุจุณ ู…ู† ุนู„ู‰ ุณุจุนุฉ

837
01:21:32,330 --> 01:21:34,370
ูˆ ุชู„ุงุชูŠู† ู…ู† ูˆุงุญุฏ ู„ ุฅุจุณ ู…ู† ุนู„ู‰ ุณุจุนุฉ ูˆ ุชู„ุงุชูŠู† ู…ู†

838
01:21:34,370 --> 01:21:34,390
ูˆุงุญุฏ ู„ ุฅุจุณ ู…ู† ุนู„ู‰ ุณุจุนุฉ ูˆ ุชู„ุงุชูŠู† ู…ู† ูˆุงุญุฏ ู„ ุฅุจุณ ู…ู†

839
01:21:34,390 --> 01:21:35,030
ุนู„ู‰ ุณุจุนุฉ ูˆ ุชู„ุงุชูŠู† ู…ู† ูˆุงุญุฏ ู„ ุฅุจุณ ู…ู† ุนู„ู‰ ุณุจุนุฉ ูˆ

840
01:21:35,030 --> 01:21:35,170
ุชู„ุงุชูŠู† ู…ู† ูˆุงุญุฏ ู„ ุฅุจุณ ู…ู† ุนู„ู‰ ุณุจุนุฉ ูˆ ุชู„ุงุชูŠู† ู…ู† ูˆุงุญุฏ

841
01:21:35,170 --> 01:21:36,490
ู„ ุฅุจุณ ู…ู† ุนู„ู‰ ุณุจุนุฉ ูˆ ุชู„ุงุชูŠู† ู…ู† ูˆุงุญุฏ ู„ ุฅุจุณ ู…ู† ุนู„ู‰

842
01:21:36,490 --> 01:21:38,110
ุณุจุนุฉ ูˆ ุชู„ุงุชูŠู† ู…ู† ูˆุงุญุฏ ู„ ุฅุจุณ ู…ู† ุนู„ู‰ ุณุจุนุฉ ูˆ ุชู„ุงุชูŠู†

843
01:21:38,110 --> 01:21:41,550
ู…ู† ูˆุงุญุฏ ู„ ุฅุจุณ ู…ู† ุนู„ู‰ ุณุจุนุฉ ูˆ ุชู„ุงุชูŠู† ู…ู† ูˆุงุญุฏ ู„ ุฅุจุณ

844
01:21:41,550 --> 01:21:47,150
ู…ู† ุนู„ู‰ ุณุจุนุฉ ูˆ ุชู„ุงุชูŠู† ู…ู† ูˆุงุญุฏ ู„ ุฅุจุณ ู…ู† ุนู„ู‰ ุณุจุนุฉ ูˆ

845
01:21:47,150 --> 01:21:53,930
ุชู„ุงุชูŠู† ู…ู† ูˆุงุญุฏ ู„ ุฅุจุณ

846
01:21:53,930 --> 01:21:57,020
ู…ู†ูู€Delta ุจุฏุช ุณุงูˆูŠ ูˆุงุญุฏุŒ ูˆุฅุฐุง ูƒุงู†ุช ุงู„ุฃุณุฑ ู‡ูŠ

847
01:21:57,020 --> 01:22:00,200
epsilon ุนู„ู‰ ุณุจุนุฉ ูˆ ุชู„ุงุชูŠู† ูŠุจู‚ู‰ Delta ุจุฏุช ุณุงูˆูŠ

848
01:22:00,200 --> 01:22:03,980
epsilon ุนู„ู‰ ุณุจุนุฉ ูˆ ุชู„ุงุชูŠู†ุŒ ุงู„ู„ูŠ ูŠุจู‚ู‰ ู‡ู†ุง ุจู‚ูˆู„ู‡ ุฅุฐุง

849
01:22:03,980 --> 01:22:10,980
Delta ุจุฏุช ุณุงูˆูŠ minimum ุงู„ูˆุงุญุฏ ูˆุงู„epsilon ุนู„ู‰ ุณุจุนุฉ

850
01:22:10,980 --> 01:22:17,080
ูˆ ุชู„ุงุชูŠู†ุŒ ูŠุนู†ูŠ ู‚ูŠู…ุชูŠู† ูˆู„ุง ู‚ูŠู…ุฉ ูˆุงุญุฏุฉุŸู‡ุฐุง minimum

851
01:22:17,080 --> 01:22:24,020
ุงู„ุตุบุฑุฉ ููŠู‡ู…ุง ู‡ุฐุง minimum ุงู„ูˆุงุญุฏ ูˆุงู„ุฅุจุณู„ูˆู† ุงู„ุตุบุฑุฉ

852
01:22:24,020 --> 01:22:28,400
ููŠ ุงู„ุฅุชู†ูŠู† ูŠุจู‚ู‰ ู„ุตุบูŠุฑุฉ ู‡ูŠ ุจุชูƒูˆู† main ู‚ูŠู…ุฉ ูŠุนู†ูŠ

853
01:22:28,400 --> 01:22:32,180
ุงู„ุตุบุฑุฉ ุงู„ู‚ูŠู…ุชูŠู† ู„ูŠุด ุงู† ุงู„ epsilon ุฃู†ุง ู…ุด ุนุงุฑูู‡ุง ุจุณ

854
01:22:32,180 --> 01:22:36,400
ู„ูˆ ุนุงุฑูู‡ุง ุฑู‚ู…ุง ุฌุฏู‹ุง ูŠุนู†ูŠ ุงูุชุฑุถ ู‚ุงู„ู„ูŠ ููŠ ุงู„ุจุฏุงูŠุฉ

855
01:22:36,400 --> 01:22:42,250
given epsilon ุชุณูˆู‰ ุฎู…ุณูŠู†ุฎู…ุณูŠู† ุน ุณุจุนุฉ ูˆ ุชู„ุงุชูŠู† ุงูƒุจุฑ

856
01:22:42,250 --> 01:22:47,030
ู…ู† ูˆุญุฏุฉ ุตุญูŠุฉ ุงุฐุง ุฏู„ุชุฑ ุจุฏุฃุช ุณุงุนุฉ ูˆ ูˆุงุญุฏ ู…ุง ุฎู„ุงู„ ู„ูƒู†

857
01:22:47,030 --> 01:22:52,900
ู„ูˆ ูƒุงู†ุช epsilon ู‚ู„ูŠู‡ุง ุนุดุฑูŠู†ุฃู‚ู„ ู…ู† ูˆุงุญุฏ ูŠุจู‚ู‰ ุฏู„ุชุง

858
01:22:52,900 --> 01:22:57,340
ุจุฏู„ ุณุงูˆูŠ ุฅุจุณู† ุนู„ู‰ ุณุจุนุฉ ูˆ ุชู„ุงุชูŠู† ูˆ ู‡ูƒุฐุง ุชู…ุงู… ุทูŠุจ

859
01:22:57,340 --> 01:23:02,160
ู„ูƒู† ุฃุตู„ุง ุฅุจุณู† ุนู„ู‰ ุณุจุนุฉ ูˆ ุชู„ุงุชูŠู† ู„ู…ุง ุงุณุชุฎุฏู…ุช ุญุณุงุจ

860
01:23:02,160 --> 01:23:06,680
ู‡ู…ูŠู† ุงู„ูˆุงุญุฏ ุงู„ุตุญูŠุญ ุฎู„ูŠ ู‡ุฐุง ุงู„ู…ุนู„ูˆู…ุฉ ููŠ ุฏู…ุงุบูƒ ูˆ

861
01:23:06,680 --> 01:23:12,520
ุงู„ุขู† ุนู†ุฏ ุงู„ุชุญู‚ูŠู‚ ุจุฏู†ุง ู†ุจูŠู† ู‡ุฐุง ุงู„ูƒู„ุงู… ูŠุจู‚ู‰ ุจุงุฌูŠ

862
01:23:12,520 --> 01:23:13,940
ุจู‚ูˆู„ู‡ showing

863
01:23:22,960 --> 01:23:33,300
0 ุฃู‚ู„ ู…ู† X ู†ุงู‚ุต 3 ุฃู‚ู„ ู…ู† Deltaุงู„ุฏู„ุชุง ุจุฏุฃ ุฃุฎุฏู‡ุง

864
01:23:33,300 --> 01:23:37,700
ุงุจุณู„ู† ุนู„ู‰ ุณุจุนุฉ ูˆ ุชู„ุงุชูŠู† ู„ุฃู†ู‡ุง ุงุนุชู…ุฏุช ุนู„ู‰ ู…ูŠู† ุนู†ุฏ

865
01:23:37,700 --> 01:23:43,960
ุญุณุงุจู‡ุง ุนู„ู‰ ู…ูŠู† ุนู„ู‰ ุงู„ูˆุงุญุฏ implies ุงู†ู‡ ุงู„ F of X

866
01:23:43,960 --> 01:23:49,560
ุงู„ู„ูŠ ู‡ูŠ ุงู„ X ุชูƒูŠุจ ู†ุงู‚ุต ุณุจุนุฉ ูˆ ุนุดุฑูŠู† ุจุฏูŠ ุฃุซุจุช ุงู†

867
01:23:49,560 --> 01:23:56,260
ู‡ุฐู‡ ุฃู‚ู„ ู…ู† ู…ูŠู† ู…ู† ุงู„ุงุจุณู„ู† ูŠุจู‚ู‰ ู‡ุฐู‡ ุชุณุงูˆูŠุงู„ู€ X ู†ุงู‚ุต

868
01:23:56,260 --> 01:24:03,660
ุชู„ุงุชุฉ ููŠ ุงู„ู€ X ุชุฑุจูŠุน ุฒุงุฆุฏ ุชู„ุงุชุฉ X ุฒุงุฆุฏ ุชุณุนุฉ ู‡ุฐู‡

869
01:24:03,660 --> 01:24:13,890
ุฃู‚ู„ ู…ู† Delta ูˆู‡ุฐู‡ ุฃู‚ู„ ู…ู† ุณุจุนุฉ ูˆุชู„ุงุชูŠู†ุทูŠุจ ุฏู„ุชุง

870
01:24:13,890 --> 01:24:17,570
ุนู†ุฏู†ุง ู„ูŠู‡ ุฅุจุณู„ูˆู† ุนู„ู‰ ุณุจุนุฉ ูˆ ุชู„ุงุชูŠู† ุงู„ู„ูŠ ู‡ูŠ ุจุฏู‡ุง

871
01:24:17,570 --> 01:24:24,010
ุชุณุงูˆูŠ ุฅุจุณู„ูˆู† ุนู„ู‰ ุณุจุนุฉ ูˆ ุชู„ุงุชูŠู† ููŠ ุณุจุนุฉ ูˆ ุชู„ุงุชูŠู†

872
01:24:24,010 --> 01:24:28,330
ูŠุจู‚ู‰ ู‡ุฐู‡ ุงู„ู„ูŠ ู‡ูŠ ุจุฏู‡ุง ุชุณุงูˆูŠ ู…ูŠู† ุฅุจุณู„ูˆู† ูŠุจู‚ู‰ ู‡ุฐุง

873
01:24:28,330 --> 01:24:33,950
ุจุฏู‡ ูŠุนุทูŠู„ูƒ ุฅู† ุงู„ X ุชูƒูŠุจ ู†ู‚ุต ุณุจุนุฉ ูˆ ุนุดุฑูŠู† ุฃู‚ู„ ู…ู†

874
01:24:33,950 --> 01:24:40,170
ู…ูŠู† ุฃู‚ู„ ู…ู† ุงู„ุฅุจุณู„ูˆู† ูˆุจุงู„ุชุงู„ูŠ ุฑุงุณ limit

875
01:24:54,130 --> 01:25:01,180
ู‚ุจู„ ู‚ู„ูŠู„ ูˆุนุฏูƒูˆุง ุจูˆุงุนุฏู„ู…ุง ุญู„ุช ุงู„ู…ุซุงู„ ููŠ ุงู„ section

876
01:25:01,180 --> 01:25:05,400
ุงู„ุณุงุจู‚ ูƒุงู† limit X ููŠ side 1 ุนู„ู‰ X ุซู… X ุชุฑูˆุญ ุนู„ู‰

877
01:25:05,400 --> 01:25:10,000
Zero ุซู… ุงุชู†ุงู‡ ูŠุณุงูˆูŠ Zero ุงู„ุงู† ุจูˆุงุณุทุฉ ู‡ุฐุง ุงู„

878
01:25:10,000 --> 01:25:14,520
section ู…ูŠุฏูŠ ุงุซุจุช ูุนู„ุง ุงู† ุงู„ limit ู‡ุฐุง ูƒู…ุงู† ูŠุณุงูˆูŠ

879
01:25:14,520 --> 01:25:23,960
ู„ู‡ Zero ูŠุฑุฌุน ุจู†ุง ู†ููŠู‚ ุจูˆุงุนุฏู†ุง ุงู„ุฐูŠ ูˆุนุฏู†ุงูƒู… ุฅูŠุงู‡ ู‡ูˆ

880
01:25:23,960 --> 01:25:26,280
ุงุนุชุจุฑ ู‡ุฐุง ุงู„ู…ุซุงู„ ุฑู‚ู… ุฃุฑุจุนุฉ

881
01:25:34,220 --> 01:25:43,480
ูŠุจู‚ู‰ ู…ุซุงู„ ูŠุจู‚ู‰

882
01:25:43,480 --> 01:25:50,240
ู…ุซุงู„ ูŠุจู‚ู‰ ู…ุซุงู„ ูŠุจู‚ู‰ ู…ุซุงู„ ูŠุจู‚ู‰ ู…ุซุงู„ ูŠุจู‚ู‰ ู…ุซู„ ู…ุซู„

883
01:25:50,240 --> 01:25:50,480
ู…ุซู„ ู…ุซู„ ู…ุซู„ ู…ุซู„ ู…ุซู„ ู…ุซู„ ู…ุซู„ ู…ุซู„ ู…ุซู„ ู…ุซู„ ู…ุซู„ ู…ุซู„

884
01:25:50,480 --> 01:25:50,480
ู…ุซู„ ู…ุซู„ ู…ุซู„ ู…ุซู„ ู…ุซู„ ู…ุซู„ ู…ุซู„ ู…ุซู„ ู…ุซู„ ู…ุซู„ ู…ุซู„ ู…ุซู„

885
01:25:50,480 --> 01:25:50,480
ู…ุซู„ ู…ุซู„ ู…ุซู„ ู…ุซู„ ู…ุซู„ ู…ุซู„ ู…ุซู„ ู…ุซู„ ู…ุซู„ ู…ุซู„ ู…ุซู„ ู…ุซู„

886
01:25:50,480 --> 01:25:50,480
ู…ุซู„ ู…ุซู„ ู…ุซู„ ู…ุซู„ ู…ุซู„ ู…ุซู„ ู…ุซู„ ู…ุซู„ ู…ุซู„ ู…ุซู„ ู…ุซู„ ู…ุซู„

887
01:25:50,480 --> 01:25:50,480
ู…ุซู„ ู…ุซู„ ู…ุซู„ ู…ุซู„ ู…ุซู„ ู…ุซู„ ู…ุซู„ ู…ุซู„ ู…ุซู„ ู…ุซู„ ู…ุซู„ ู…ุซู„

888
01:25:50,480 --> 01:25:50,520
ู…ุซู„ ู…ุซู„ ู…ุซู„ ู…ุซู„ ู…ุซู„ ู…ุซู„ ู…ุซู„ ู…ุซู„ ู…ุซู„ ู…ุซู„ ู…ุซู„ ู…ุซู„

889
01:25:50,520 --> 01:25:50,900
ู…ุซู„ ู…ุซู„ ู…ุซู„ ู…ุซู„ ู…ุซู„ ู…ุซู„ ู…ุซู„ ู…ุซู„ ู…ุซู„ ู…ุซู„ ู…ุซู„ ู…ุซู„

890
01:25:50,900 --> 01:25:58,620
ู…ุซู„ู„ู…ุง ุงู„ู€ X ุจุฏุฃ ุชุฐู‡ุจ ู„ู„ู€ Zero ู„ู„ู€ X ููŠ ุงู„ู€ Sine

891
01:25:58,620 --> 01:26:04,080
ูˆุงุญุฏ ุนู„ู‰ X ูŠุณุงูˆูŠ Zero solution

892
01:26:04,080 --> 01:26:12,900
ุจุฑุถู‡

893
01:26:12,900 --> 01:26:17,280
ุจุฏุฃ ุฒูŠ ู…ุง ุจุฏุฃู†ุง ููŠ ุงู„ุฃู…ุซู„ุฉ ุชู„ุงุชุฉ ุงู„ุณุงุจู‚ุฉ

894
01:26:28,940 --> 01:26:36,680
ุจุญูŠุซ ุฃู† 0 ุฃู‚ู„ ู…ู† X ู†ุงู‚ุต ุงู„ู€ Zero ุฃู‚ู„ ู…ู† Delta

895
01:26:45,550 --> 01:26:50,770
ูŠุจู‚ู‰ ุงู„ุทุฑู ุงู„ุดู…ุงู„ Zero ุฃู‚ู„ ู…ู† absolute value ู„ X

896
01:26:50,770 --> 01:26:56,550
ุฃู‚ู„ ู…ู† delta implies ู‡ุฐุง ู…ู† ุชุนุฑูŠู ุงู„ absolute

897
01:26:56,550 --> 01:27:03,050
value ุจุตูŠุฑ absolute value ู„ X ููŠ absolute value ู„ู„

898
01:27:03,050 --> 01:27:10,050
sign ูˆุงุญุฏ ุนู„ู‰ X ุฃู‚ู„ ู…ู† ู…ูŠู†ุŸ ุฃู‚ู„ ู…ู† ุงู„epsilon ุฃูˆ

899
01:27:10,050 --> 01:27:18,790
ุฎู„ู‘ูŠู†ูŠ ุฃุนู…ู„ู‡ุง ุนู„ู‰ ุงู„ุดูƒู„ ุงู„ุชุงู„ูŠุฃู„ูŠุณุช ู‡ุฐู‡ ุฃู‚ู„ ู…ู†

900
01:27:18,790 --> 01:27:24,050
absolute value ู„ X ููŠ ูˆุงุญุฏ ู„ุฃู† ุฃุนู„ู‰ ู‚ูŠู…ุฉ ุจูŠุงุฎุฏู‡ุง

901
01:27:24,050 --> 01:27:26,770
ุงู„ absolute value ู„ุตูŠู†ูŠ ูˆุงุญุฏ ู„ X ู‡ูŠ ุงู„ูˆุงุญุฏุฉ ุงู„ุตุญูŠุฉ

902
01:27:26,770 --> 01:27:31,970
ุชู…ุงู… ูŠุจู‚ู‰ ู‡ุฐุง ุจูŠุตูŠุฑ absolute value ู„ X ู„ ูˆุงุญุฏ ู‡ุฐุง

903
01:27:31,970 --> 01:27:35,830
ุจุฏู‡ ูŠุณุงูˆูŠ absolute value ู„ X ุงู„ู„ูŠ ู‡ูŠ ุฃู‚ู„ ู…ู† ู…ูŠู†

904
01:27:35,830 --> 01:27:42,210
ุฃู‚ู„ ู…ู† ุงู„ epsilon ุงุทู„ุนู„ูŠ ู„ู„ู†ุชูŠุฌุฉ ู‡ุฐู‡ ูˆุงู„ู†ุชูŠุฌุฉ ุงู„ู„ูŠ

905
01:27:42,210 --> 01:27:47,930
ุนู†ุฏู†ุง ู‡ุฐู‡ูŠุจู‚ู‰ ุงู„ุทุฑู ุงู„ุดู…ุงู„ ู‡ูˆ ุงู„ุทุฑู ุงู„ุดู…ุงู„ ูŠุจู‚ู‰

906
01:27:47,930 --> 01:27:55,510
ู‡ู†ุง ุณุงุฉ ุงู„ delta ุชุณุงูˆู…ูŠู† epsilon itself ูƒูˆูŠุณ ู…ุงุฏุงู…

907
01:27:55,510 --> 01:28:02,790
ุทู„ุจู†ุง ู†ุชุฃูƒุฏ ุดุบู„ู†ุง ู‡ุฐุง ุตุญ ูˆู„ุง ู„ุฃ ูŠุจู‚ู‰ showing that

908
01:28:02,790 --> 01:28:05,950
ุงู† delta works

909
01:28:11,880 --> 01:28:18,940
ุฃู‚ู„ ู…ู† ุงู„ absolute value ู†ุงู‚ุต ุงู„ zero ุฃู‚ู„ ู…ู† ุฏู„ุชุฉ

910
01:28:18,940 --> 01:28:20,480
ูŠุจุฏุฃ ุชุณูˆูŠ epsilon

911
01:28:23,050 --> 01:28:28,370
absolute value ู„ู„ู€ x ููŠ ุงู„ู€ sine ูˆุงุญุฏ ุนู„ู‰ x ู†ุงู‚ุต

912
01:28:28,370 --> 01:28:33,490
ุงู„ู€ zero ุจุฏูŠ ุฃุซุจุช ุฃู† ู‡ุฐู‡ ุฃู‚ู„ ู…ู† ุงู„ู€ y ุทูŠุจ ู‡ุฐู‡

913
01:28:33,490 --> 01:28:38,650
ุชุณุงูˆูŠ ู…ูŠู†ุŸ absolute value ู„ู„ู€ x absolute value ู„ู„ู€

914
01:28:38,650 --> 01:28:44,950
sine ูˆุงุญุฏ ุนู„ู‰ x ู…ุงู„ู‡ุง ู‡ุฐู‡ุŸ ุฃู‚ู„ ู…ู† ูˆู‚ุช ุชุณุงูˆูŠ

915
01:28:44,950 --> 01:28:51,890
absolute value ู„ู„ู€ x ููŠ ู…ู†ุŸ ููŠ ุงู„ูˆุงุญุฏุทูŠุจ ู‡ุฐู‡

916
01:28:51,890 --> 01:28:57,890
absolute value of x ู‡ูŠ ุนุจุงุฑุฉ ุนู† ู…ูŠู†ุŸ ุฏู„ุชุง ูŠุจู‚ู‰ ู‡ุฐู‡

917
01:28:57,890 --> 01:29:05,960
ุฃู‚ู„ ู…ู† delta ููŠ ูˆุงุญุฏุฏู„ุชุง ุจู‚ุฏุงุด ุจุงู„ุฅุจุณู†ุงู† ููŠ ูˆุงุญุฏ

918
01:29:05,960 --> 01:29:13,200
ุงู„ู„ูŠ ู‡ูˆ ุจุงู„ุฅุจุณู†ุงู† ูŠุจู‚ู‰ ุณุง ุงู„ู„ูŠ ู‡ูˆ ุงู„ X ุณุงูŠู† ูˆุงุญุฏ

919
01:29:13,200 --> 01:29:19,100
ุนู„ู‰ X ู†ุงู‚ุต ุงู„ zero ุฃู‚ู„ ู…ู† ู…ูŠู† ุฃู‚ู„ ู…ู† ุฅุจุณู†ุงู†

920
01:29:19,100 --> 01:29:26,380
ูˆุจุงู„ุชุงู„ูŠ Thus ูˆูƒุฐุง limit ุงู„ X ููŠ ุงู„ ุณุงูŠู† ูˆุงุญุฏ ุนู„ู‰

921
01:29:26,380 --> 01:29:31,530
X ู„ู…ุง ุงู„ X ุจุฏูŠ ุฑูˆุญ ู„ู„ ZeroุจุชุณุงูˆูŠ ุงู„ู€ zero ูƒุฐู„ูƒ

922
01:29:31,530 --> 01:29:37,750
ูˆู‡ุฐุง ูŠุชูู‚ ู…ุน ุงู„ู†ุชูŠุฌุฉ ุงู„ู„ู‰ ุญุณุจู†ุงู‡ุง ู‚ุจู„ ุณุงุนุฉ ุฒู…ุงู†

923
01:29:37,750 --> 01:29:44,850
ุชู‚ุฑูŠุจุง ุงู„ู„ู‰ ู‡ูˆ ู†ู‡ุงูŠุฉ ุงู„ section ุงู„ู…ุงุถู‰ ุทูŠุจ ุจู†ุญุงูˆู„

924
01:29:44,850 --> 01:29:52,670
ู†ุนุทูŠูƒูˆุง ู…ุซุงู„ ุนุฏุฏูŠ ู†ุนุทูŠ ู‚ูŠู…ุฉ ู„ุฅุจุณู„ูˆู† ู†ุทู„ุจ ู‚ูŠู…ุฉ ุฏู„ุชุง

925
01:29:52,670 --> 01:29:58,710
ู†ุนุทูŠูƒูˆุง ุงู„ ู†ุนุทูŠูƒูˆุง ุงู„ุดุบู„ ุฒูŠ ู‡ูŠูƒูŠุจู‚ู‰ ุงูƒุชุจ ู„ูŠ ู…ุซุงู„

926
01:29:58,710 --> 01:30:15,950
ุฎู…ุณุฉ ุจูŠู‚ูˆู„

927
01:30:15,950 --> 01:30:26,910
ู„ูŠ Fุงู„ู€ F of X ูŠุณุงูˆูŠ X ุชุฑุจูŠุน ุฒุงุฆุฏ ุณุชุฉ X ุฒุงุฆุฏ ุฎู…ุณุฉ

928
01:30:26,910 --> 01:30:35,770
ุนู„ู‰ X ุฒุงุฆุฏ ุฎู…ุณุฉ ูˆุงู„ู€ X naught ูŠุณุงูˆูŠ ุณุงู„ุจ ุฎู…ุณุฉ and

929
01:30:35,770 --> 01:30:43,710
ุงู„ู€ Epsilon ูŠุณุงูˆูŠ Zero Zero ุฎู…ุณุฉ ูŠุนู†ูŠ ุฎู…ุณุฉ ู…ู† ู…ูŠุฉ

930
01:30:43,710 --> 01:30:47,390
fine ูˆุฌุฏู†ุง

931
01:30:48,400 --> 01:30:56,360
ู†ู…ุฑ ุงูŠู‡ ุจุฏูŠ limit f of x ู„ู…ุง ุงู„ x ุจุฏูŠ ุฑูˆุญ ู„ู„ x

932
01:30:56,360 --> 01:31:04,540
naught ู†ู…ุฑ ุจูŠ find delta

933
01:31:04,540 --> 01:31:13,240
ุงู„ู„ูŠ greater than zero such thatุจุญูŠุซ ู‡ูˆ ุฃู† ุงู„ู€

934
01:31:13,240 --> 01:31:22,600
zero ุฃู‚ู„ ู…ู† ุงู„ู€ X0 ุฃู‚ู„ ู…ู† Delta implies ุฃู† ุงู„ F of

935
01:31:22,600 --> 01:31:38,600
X ู†ุงู‚ุต ุงู„ L ุฃู‚ู„ ู…ู† ุฅุจุณู„ูˆู† ุฎู„ู‘ูŠ

936
01:31:38,600 --> 01:31:39,060
ุจุงู„ูƒ ู‡ู†ุง

937
01:31:47,300 --> 01:31:53,900
ูŠุจู‚ู‰ ุงุญู†ุง ุจุฏู†ุง limit ู„ู„ F of X ู„ู…ุง ุงู„ X ุจุฏู‡ ูŠุฑูˆุญ

938
01:31:53,900 --> 01:31:59,680
ุงู„ X ู†ุถู„ู‡ ุฌุฏุงุด ุณุงู„ุจ ุฎู…ุณุฉ ูŠุจู‚ู‰ limit ู„ู…ุง ุงู„ X ุจุฏู‡

939
01:31:59,680 --> 01:32:06,100
ูŠุฑูˆุญ ู„ูŠู‡ ุณุงู„ุจ ุฎู…ุณุฉ ู„ู…ู† ู„ X ุฒุงุฆุฏ ูˆุงุญุฏ ููŠ X ุฒุงุฆุฏ

940
01:32:06,100 --> 01:32:12,380
ุฎู…ุณุฉ ุนู„ู‰ X ุฒุงุฆุฏ ุฎู…ุณุฉุงู„ุณุคุงู„ ู‡ูˆ ู‡ู„ ุงู„ุฏุงู„ุฉ ู…ุนุฑูุฉ ุนู†ุฏ

941
01:32:12,380 --> 01:32:16,720
X ูŠุณูˆู‰ ุณุงู„ุจ ุฎู…ุณุฉุŸ ู„ุฃุŒ ู„ูƒู† ุงู„ limit ู…ู…ูƒู† ุชูƒูˆู†

942
01:32:16,720 --> 01:32:21,240
ู…ูˆุฌูˆุฏุฉุŒ ู…ุงู„ู‡ุงุด ุนู„ุงู‚ุฉุŒ ุจุฏูŠ ุจู‚ูˆู„ู‡ ูƒูˆูŠุณ ูŠุจู‚ู‰ ุงู„ู‚ูˆุณ

943
01:32:21,240 --> 01:32:26,100
ู‡ุฐุง ุจุฏูŠ ุฑูˆุญ ู…ุน ุงู„ู‚ูˆุณ ู‡ุฐุงุŒ ุงู„ู†ุชูŠุฌุฉ ุงู„ limit ู„ู…ุง ุงู„

944
01:32:26,100 --> 01:32:33,630
X ุจุฏูŠ ุฑูˆุญ ู„ุณุงู„ุจ ุฎู…ุณุฉ ู„ู…ูŠู†ุŒ ู„ู„ X ุฒุงุฆุฏ ูˆุงุญุฏุชู…ุงู…ุŸ

945
01:32:33,630 --> 01:32:38,090
ูŠุจู‚ู‰ ู‡ุฐุง ุงู„ูƒู„ุงู… ุชุนูˆูŠุถ ู…ุจุงุดุฑ ู„ุฅู†ู‡ุง Line ู†ุงู‚ุต ุฎู…ุณุฉ

946
01:32:38,090 --> 01:32:43,150
ุฒูŠ ูˆุงุญุฏ ู…ุงูŠุณุงูˆูŠ ู‚ุฏุงุด ุณุงู„ู… ุฃุฑุจุนุฉ ู‡ุฐู‡ ุงู„ู„ูŠ ู‡ูŠ ุจู†ู‚ูˆู„

947
01:32:43,150 --> 01:32:49,370
ุนู„ูŠู‡ุง ุงู„ู„ูŠ ู…ุด ู…ุนุทุงุนุฉ ููˆู‚ ููŠ ุฑุฃุณ ุงู„ู…ุซู„ ูŠุจู‚ู‰ ุฃูˆู„ ุฌุฏ

948
01:32:49,370 --> 01:32:55,180
ู†ู‚ู„ู‡ ุงู„ limit ู‡ุฐุง ู†ุฌูŠ ู„ู†ู…ุฑ ูŠุงุจูŠู†ู†ู…ุฑ ุจูŠุจู‚ู‰ ุงู„ู‡ุชู„ูŠ

949
01:32:55,180 --> 01:33:00,160
ุฏู„ุชุง ุงู„ุฃูƒุจุฑ ู…ู† ุงู„ zero ุจุญูŠุซ ุชูƒูˆู† ู‡ุฐู‡ ู…ุญู‚ู‚ุฉ ุจู‚ูˆู„

950
01:33:00,160 --> 01:33:06,680
ุจุณูŠุทุฉ ุฌุฏุง ูŠุจู‚ู‰ ุงุญู†ุง ุนู†ุฏู†ุง zero ุฃู‚ู„ ู…ู† ุงู„ X ู†ุงู‚ุต ู…ุน

951
01:33:06,680 --> 01:33:14,690
ู†ุงู‚ุต ุจุงู„ุตุบูŠุฑ ุฒุงุฆุฏ ุฎู…ุณุฉ ู‡ุฐู‡ ุฃู‚ู„ ู…ู† ุฏู„ุชุงimplies ุงู†

952
01:33:14,690 --> 01:33:20,590
ุงู„ F of X ุณุฑุท ุงู„ู„ูŠ ู‡ูŠ ู…ูŠู† ุจุนุฏ ุงุฎุชุตุงุฑุงุช X ุฒุงุฆุฏ ูˆุงุญุฏ

953
01:33:20,590 --> 01:33:27,910
ู†ุงู‚ุต ุงู„ู„ูŠ ู‡ูŠ L ุงู„ู„ูŠ ู‡ูŠ ุจู†ุงู‚ุต ุฃุฑุจุนุฉ ุชู…ุงู… ุฃู‚ู„ ู…ู†

954
01:33:27,910 --> 01:33:32,130
ุฅุจุณู„ูˆู†ุŒ ุฅุจุณู„ูˆู† ู…ูˆุทู† ู‡ูˆ 005

955
01:33:33,350 --> 01:33:41,810
ุจู‚ูˆู„ ู‡ุฐุง ูŠุนู†ูŠ ุงู† ุงู„ุงูƒุณ ุฒุงุฆุฏ ุฎู…ุณุฉ ุงู‚ู„ ู…ู† zero zero

956
01:33:41,810 --> 01:33:49,450
ุฎู…ุณุฉ ุทู„ุน ู„ู‡ู†ุง ูˆุทู„ุน ู„ู‡ู†ุง ูŠุจู‚ู‰ ู‡ุฐุง ุจุฏูŠ ุงุนุทูŠูƒ ุงู† ุฏู„ุชุง

957
01:33:49,450 --> 01:33:56,420
ุชุณุงูˆูŠ ุงู„ epsilon ุชุณุงูˆูŠ zero zero ุฎู…ุณุฉุจู‚ู‰ ุจุฏู‡ ุฏู„ุชุง

958
01:33:56,420 --> 01:34:01,880
ุฌุจู†ุงู„ู‡ ุฏู„ุชุง ุงุถุน ุงู„ุงุฎุฑ ู†ู‚ุทุฉ ุตุบูŠุฑุฉ ููŠ ุงู„ section

959
01:34:01,880 --> 01:34:16,860
ุงู„ู„ู‰ ูˆุนุฏู†ุงูƒูˆุง ููŠู‡ุง ู‚ุจู„ ู‚ู„ูŠู„ ุงุฎุฑ

960
01:34:16,860 --> 01:34:21,720
ู†ู‚ุทุฉ ุจุชู‚ูˆู„ ู…ุง ูŠุฃุชูŠ ู‡ู†ูƒุชุจ ุนู„ูŠ ุงู„ุดูƒู„ ุงู„ุชุงู„ูŠ remark

961
01:34:30,060 --> 01:34:44,520
ุฅุฐุง ุฃุนุทุชู†ุง ู†ุงู‚ุต ุงู„ู€ L ุฃู‚ู„ ู…ู† ุฅุจุณู†ู„ ุฅุฐุง ุฃุนุทุชู†ุง ู†ุงู‚ุต

962
01:34:44,520 --> 01:34:48,220
ุงู„ู€ L ู†ุงู‚ุต ุงู„ู€ L ุฃู‚ู„ ู…ู† ุฅุจุณู†ู„

963
01:34:57,280 --> 01:35:07,460
ุนู† ุงู„ู€ X ู†ูˆุฏ ุซู… ู†ุฃุฎุฐ

964
01:35:07,460 --> 01:35:19,820
ุฏู„ุชุง ู„ูƒูŠ ุชูƒูˆู† ู†ุตู ุทูˆู„ ู†ุตู

965
01:35:19,820 --> 01:35:25,500
ุทูˆู„ ุงู„ุงู†ุชุฑุงู„

966
01:35:32,540 --> 01:35:47,640
but if it is not symmetric ุงุฐุง ู„ู… ุชูƒู† ู…ุชู…ุงุซู„ุฉ

967
01:35:47,640 --> 01:35:53,380
about x0 about

968
01:35:53,380 --> 01:35:59,400
x0 we take ุฏู„ุชุฉ we take

969
01:36:03,260 --> 01:36:15,020
delta to be we take it to be the distance from

970
01:36:15,020 --> 01:36:30,240
distance from x node to near endpoint near

971
01:36:30,240 --> 01:36:35,890
endpointof the interval

972
01:37:00,980 --> 01:37:01,980
ู…ุงุฐุง ูŠูุนู„ุŸ

973
01:38:22,130 --> 01:38:27,130
ู…ุฑุฉ ุชุงู†ูŠุฉุจู†ู‚ูˆู„ ุฅุฐุง ุงู„ู€ absolute influence ู†ู‚ุต ุฅู„ุง

974
01:38:27,130 --> 01:38:31,310
ู‚ู„ุจูŠ ู…ุซู„ุง ุฃุนุทุชู†ูŠ interval symmetric about x node

975
01:38:31,310 --> 01:38:34,630
ุฒูŠ ุงู„ุฑุณู…ุฉ ุงู„ู„ูŠ ู‚ุจู„ ู‚ู„ูŠู„ ูƒุงู†ุช ุฏู„ุชุฉ ุงู„ู„ูŠ ุนู„ู‰ ุงู„ูŠู…ูŠู†

976
01:38:34,630 --> 01:38:38,850
ุฒูŠ ุฏู„ุชุฉ ุงู„ู„ูŠ ุนู„ู‰ ุงู„ุดู…ุงู„ ูŠุจู‚ู‰ ููŠ ู‡ุฐู‡ ุงู„ุญุงู„ุฉ ุจูŠู‚ูˆู„

977
01:38:38,850 --> 01:38:44,230
ุจู†ุงุฎุฏ ุฏู„ุชุฉ ู‡ูˆ ู†ุต ุงู„ูุชุฑุฉ ูƒู„ู‡ุง ู…ู† x node ู†ู‚ุต ุฏู„ุชุฉ

978
01:38:44,230 --> 01:38:49,510
ุฅู„ู‰ x node ุฒุงุฆุฏ ุฏู„ุชุฉ ู„ูƒู† ุฅุฐุง ูƒุงู†ุช ุงู„ุฑุณู…ุฉ ู‡ู†ุง not

979
01:38:49,510 --> 01:38:54,490
symmetric about x node ุทู„ุนู„ูŠ ู‡ูŠุทู„ุนุช ู‚ูŠู…ุฉ ู„ุฏู„ุชุฉ

980
01:38:54,730 --> 01:38:58,450
ูˆู‡ูŠุทู„ุน ููŠ ู‚ูŠู…ุฉ ุชุงู†ูŠุฉุŒ ู‡ู„ ุงู„ุงุชู†ูŠู† ุฏูˆู†ู‡ุง ุฏุฑุฌุฉ ุจุนุถุŸ

981
01:38:58,450 --> 01:39:02,990
ู„ุฃุŒ ูŠุจู‚ู‰ ู…ุงููŠุด ุชุณุงูˆูŠ ุจูŠู† ุงู„ุงุชู†ูŠู† ูู…ูŠู† ู…ู†ู‡ู… deltaุŸ

982
01:39:02,990 --> 01:39:07,270
ุงู„ูƒุจูŠุฑุฉ ู‡ุฐู‡ ูˆู„ุง ุงู„ุตุบูŠุฑุฉุŸ ุทุจุนุง ุงู„ุตุบูŠุฑุฉ ู„ุฅูŠุดุŸ ู„ุฃู†

983
01:39:07,270 --> 01:39:11,230
ุฃู†ุง ุจุฏูŠ ุฃุฌุฑุจ ุนู„ู‰ x0 ุจุฏุฑุฌุฉ ุฃู‚ู„ ู„Delta ูƒุจูŠุฑุฉุŒ ูŠุจู‚ู‰

984
01:39:11,230 --> 01:39:15,440
ุจุงุฎุฏ Delta ุงู„ุตุบุฑ ููŠู‡ู… ู„ุฅู† ุฃู†ุง ุจุฏูŠ ุฃู‚ุชุฑุจ ู…ู† 100ู…ู†

985
01:39:15,440 --> 01:39:19,060
ุงู„ู€ X node ูุจู‚ูˆู„ ุฅุฐุง ูƒุงู†ุช ู…ุงู‡ูŠุงุด ู…ุชู…ุงุฏุฉ ู„ุญูˆุงู„ูŠ X

986
01:39:19,060 --> 01:39:22,920
node we take Delta to be the distance from X node

987
01:39:22,920 --> 01:39:28,600
ุงู„ู…ุณุงูุฉ ู…ู† X node ุฅู„ู‰ ุฃู‚ุฑุจ near end point ู‡ุฐูŠ ุฃู‚ุฑุจ

988
01:39:28,600 --> 01:39:31,740
ู„ู‡ุง ุฅุฐุง ู‡ุฐูŠ Delta ู‡ุฐูŠ ุฃู‚ุฑุจ ู„ู‡ุง ุฅุฐุง ู‡ุฐูŠ Delta ู„ูƒู†

989
01:39:31,740 --> 01:39:36,260
ูˆุงุถุญ ุฅู† ู‡ุฐูŠ ู‡ูŠ Delta ุงู„ู„ูŠ ู‡ูŠ main ุฃู‚ุฑุจ ุจุงู„ู†ุณุจุฉ ู„ู‡ุง

990
01:39:36,260 --> 01:39:41,700
ู†ูˆุถุญ ู„ูƒ ู‡ุฐู‡ ู…ุซุงู„ ุนุฏุฏูŠ ูˆุจูŠู‡ ู†ู†ู‡ูŠ ุงู„ู…ุญุงุถุฑุฉ example

991
01:39:48,600 --> 01:39:56,900
ุจู‚ูˆู„ ุงู„ู€ F of X ูŠุณุงูˆูŠ ุงู„ุฌุฐุฑ ุงู„ุชุฑุจูŠุนูŠ ู„ู„ู€ X ู†ุงู‚ุต

992
01:39:56,900 --> 01:40:04,340
ุณุจุนุฉ ูˆุงู„ู€ L ุชุณุงูˆูŠ ุฃุฑุจุนุฉ ูˆุงู„ู€ X ู†ูˆุฏ ูŠุณุงูˆูŠ ุชู„ุงุชุฉ

993
01:40:04,340 --> 01:40:15,140
ูˆุนุดุฑูŠู† ูˆุงู„ุฅุจุณู„ูˆู† ุชุณุงูˆูŠ ูˆุงุญุฏ Find Delta that

994
01:40:15,140 --> 01:40:17,400
satisfies

995
01:40:21,810 --> 01:40:35,790
that satisfies the definition of the formal limit

996
01:40:47,730 --> 01:40:53,730
ู…ุนุทูŠู†ูŠ f of x ูˆู…ุนุทูŠู†ูŠ ุงู„ L ูˆู…ุนุทูŠู†ูŠ ุงู„ X0 ูˆู…ุนุทูŠู†ูŠ

997
01:40:53,730 --> 01:40:58,830
ุงู„ Y ูˆุทุงู„ุจ ุจุงุณู…ูŠู† Delta ุชุจุนุช ุงู„ุชุนุฑูŠู ู…ู† ุฌู„ู‡ ุจุณูŠุทุฉ

998
01:40:58,830 --> 01:41:01,790
ุฌุฏุง ูŠุจู‚ู‰ ู‡ุงูŠ ุงู„ุชุนุฑูŠู

999
01:41:12,470 --> 01:41:18,730
ุจุญูŠุซ ุฃู† Zero ุฃู‚ู„ ู…ู† X ู†ุงู‚ุต X ู†ูˆุฏ ุงู„ู„ูŠ ู‡ูŠ ู‚ุฏุงุด

1000
01:41:18,730 --> 01:41:25,430
ุชู„ุงุชุฉ ูˆุนุดุฑูŠู† ุฃู‚ู„ ู…ู† Delta Delta ู…ุฌู‡ูˆู„ุฉ implies ุงู„

1001
01:41:25,430 --> 01:41:31,170
F of X ุงู„ู„ูŠ ู‡ูˆ ุงู„ุฌุฏุฑู‰ ุงู„ุชุฑุจูŠุฉ ู„ X ู†ุงู‚ุต ุณุจุนุฉ ู†ุงู‚ุต L

1002
01:41:31,170 --> 01:41:37,510
ุงู„ู„ูŠ ู‡ูŠ ู‚ุฏุงุด ุฃุฑุจุนุฉุฃู‚ู„ ู…ู† ุฅุจุณู„ูˆู†ุŒ ุฅุจุณู„ ู‡ูˆ ู…ู‚ุทุน ูƒุฏู‡ุŸ

1003
01:41:37,510 --> 01:41:42,270
ูˆุงุญุฏ ุตุญูŠุญ ู‡ุฐู‡ ุฌุงู‡ุฒุฉ ู…ุงุนู†ุฏูŠ ู…ุดูƒู„ุฉุŒ ูŠุจู‚ู‰ ุจุฏูŠ ุฃุญู„

1004
01:41:42,270 --> 01:41:46,930
ู…ุดูƒู„ุฉ ุชุงุฏูŠ ูู…ุดุงู† ุฃุญู„ู‡ุง ุจุงุฌูŠ ุจู‚ูˆู„ู‡ ุงู„ุฌุฐุฑ ุงู„ุชุฑุจูŠุฉ ู„

1005
01:41:46,930 --> 01:41:52,150
X ู†ุงู‚ุต ุณุจุนุฉ ู†ุงู‚ุต ุฃุฑุจุนุฉ ุฃู‚ู„ ู…ู† ูˆุงุญุฏ ูˆุฃูƒุจุฑ ู…ู† ู…ูŠู†ุŸ

1006
01:41:52,150 --> 01:41:57,590
ู…ู† ุณู„ุจ ูˆุงุญุฏุŒ ุงุถูŠููŠ ุฃุฑุจุนุฉ ู„ุซู„ุงุซุฉ ุฃุทุฑุงู ุจูŠุตูŠุฑ ุชู„ุงุชุฉ

1007
01:41:57,590 --> 01:42:03,770
ุฃู‚ู„ ู…ู† ุงู„ X ู†ุงู‚ุต ุณุจุนุฉ ุฃู‚ู„ ู…ู† ู…ูŠู†ุŸ ู…ู† ุฎู…ุณุฉุฑุงุจุน

1008
01:42:03,770 --> 01:42:09,690
ุซู„ุงุซุฉ ุฃุทุฑุงู ูŠุจู‚ู‰ ุชุณุนุฉ ุฃู‚ู„ ู…ู† ุงู„ X ู†ุงู‚ุต ุณุจุนุฉ ุฃู‚ู„ ู…ู†

1009
01:42:09,690 --> 01:42:15,090
ู…ูŠู† ู…ู† ุฎู…ุณุฉ ูˆ ุนุดุฑูŠู† ุถูŠู ุณุจุนุฉ ุนู„ู‰ ุซู„ุงุซุฉ ุฃุทุฑุงู ุจูŠุฑุซ

1010
01:42:15,090 --> 01:42:21,830
ุณุจุนุฉ ูˆ ุชุณุนุฉ ุณุชุงุดุฑ ุฃู‚ู„ ู…ู† X ุฃู‚ู„ ู…ู†ูŠ ุงุชู†ูŠู† ูˆ ุชู„ุงุชูŠู†

1011
01:42:21,830 --> 01:42:28,130
ุชู…ุงู… ูŠุนู†ูŠ ู„ู…ุง ูŠูƒูˆู† ุนู†ุฏูŠ real line ูˆ ู‡ุฐู‡ ุงู„ู†ู‚ุทุฉ

1012
01:42:28,130 --> 01:42:33,630
ุงู„ู„ูŠ ู‡ูŠ ุชู„ุงุชุฉ ูˆ ุนุดุฑูŠู†ู‡ุฐู‡ ุงู„ู†ู‚ุทุฉ ุงู„ุณุงุฏุณุฉ ูˆู‡ุฐู‡

1013
01:42:33,630 --> 01:42:35,990
ุงู„ู†ู‚ุทุฉ ุงู„ุณุงุฏุณุฉ ูˆู‡ุฐู‡ ุงู„ู†ู‚ุทุฉ ุงู„ุณุงุฏุณุฉ ูˆู‡ุฐู‡ ุงู„ู†ู‚ุทุฉ

1014
01:42:35,990 --> 01:42:38,130
ุงู„ุณุงุฏุณุฉ ูˆู‡ุฐู‡ ุงู„ู†ู‚ุทุฉ ุณุชุฉ

1015
01:42:41,080 --> 01:42:46,980
ุจูŠู‚ูˆู„ ู‡ู†ุง Delta ู‡ูŠู‡ุง from X naught to near end

1016
01:42:46,980 --> 01:42:51,640
point of the interval ุฃูŠูˆุฉ ูŠุจู‚ู‰ Delta ู‡ูŠ ุงู„ู…ุณุงูุฉ

1017
01:42:51,640 --> 01:43:00,340
ู…ู† 16 ู„ู…ูŠู† ู„23 ู„ู…ูŠู† ู‡ูŠ ุงู„ุฃู‚ุฑุจ ุนู„ู‰ ุงู„ 23 ูŠุจู‚ู‰ ุจู†ุงุก

1018
01:43:00,340 --> 01:43:08,260
ุนู„ูŠู‡ ุตุฑุช ุงู„ X ู…ูˆุฌูˆุฏุฉ ู…ู† 16 ู„ุบุงูŠุฉ 32 ูŠุจู‚ู‰ ู‡ู†ุง sense

1019
01:43:09,280 --> 01:43:20,560
16 is the near point of X ูŠุณุงูˆูŠ ุชู„ุงุชุฉ ูˆ ุนุดุฑูŠู†

1020
01:43:31,910 --> 01:43:38,370
ูŠุจู‚ู‰ ุจุฏู†ุง ู…ู†ูƒ exercises ุงุชู†ูŠู† ุชู„ุงุชุฉ ูŠุจู‚ู‰ exercises

1021
01:43:38,370 --> 01:43:47,830
ุงุชู†ูŠู† ุชู„ุงุชุฉ ุงู„ู…ุณุงุฆู„ ุงู„ุชุงู„ูŠุฉ ุงู„ู„ูŠ ู‡ูˆ ู…ู† ูˆุงุญุฏ ู„ุชุณุนุฉ

1022
01:43:47,830 --> 01:43:56,610
ูˆุงุฑุจุนูŠู† ุงู„ู‚ุฏุฑูˆุฒูŠุงุฏุฉ ุนู„ู‰ ุฐู„ูƒ ู…ู† ูˆุงุญุฏ ูˆุฎู…ุณูŠู† ู„ุบุงูŠุฉ

1023
01:43:56,610 --> 01:44:02,970
ุงุฑุจุนุฉ ูˆุฎู…ุณูŠู† ูˆุงู†ุถูŠู ุนู„ูŠู‡ู… ู…ู† ุณุจุนุฉ ูˆุฎู…ุณูŠู† ู„ุบุงูŠุฉ

1024
01:44:02,970 --> 01:44:03,550
ุณุชูŠู†