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ุฃู†ุง ุฑุงุญ ู†ูƒู…ู„ ู…ุง ุจุฏุฃู†ุง ููŠ ุงู„ู…ุฑุฉ ุงู„ู…ุงุถูŠุฉ ูˆุงู„ู…ุฑุฉ
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ุงู„ู…ุงุถูŠุฉ ุขุฎุฑ ุญุงุฌุฉ ูƒู†ุง ู†ุชุญุฏุซ ููŠู‡ุง ูˆู‡ูŠ sandwich
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theorem ุฃุนุทุงู†ุง ู‡ุฐู‡ ุงู„ู†ุธุฑูŠุฉ ูˆุฃุนุทุงู†ุง ุนู„ูŠู‡ุง ู…ุซุงู„ูŠู†
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ูˆุงู„ุขู† ู‡ุฐู‡ ุงู„ู€ remark ู…ุชุนู„ู‚ุฉ ุชู…ุงู…ุง ุจู…ุง ูŠุณู…ู‰ ุจู€
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Sandwich theorem ุงู„ู€ remark ุจุชู‚ูˆู„ ู…ุง ูŠุฃุชูŠ for any
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function f of x ุฅุฐุง ูƒุงู† limit ู„ู„ู€ absolute value ู„ู„ู€
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f of x ู„ู…ุง ุงู„ู€ x ุฏู‡ ุชุฑูˆุญ ุฅู„ู‰ c ุจุฏู‡ ูŠุณุงูˆูŠ 0 then
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limit ู„ู„ู€ function ุจุฏูˆู† absolute value ูƒู…ุงู† ุจุฏู‡ุง
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ุชุณุงูˆูŠู‡ุง ุฏู‡ ูŠุณุงูˆูŠ 0 ุทูŠุจ ู†ุฑูˆุญ ู†ุซุจุช ุตุญุฉ ู‡ุฐู‡ ุงู„ู†ุธุฑูŠุฉ ุจุนุฏ
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ุฐู„ูƒ ุฃู‚ูˆู„ ู„ูƒ ู…ูŠุชูŠ ู„ูˆ ุฃุฎุฏุช ุงู„ุฏุงู„ุฉ f of x ูˆุฏุงู„ุฉ
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absolute value ู„ู„ู€ f of x ุจุฏูŠ ุฃู‚ุงุฑู† ู…ุง ุจูŠู† ุงู„ุชู†ุชูŠู†
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ุฃู†ุง ุจู‚ูˆู„ ู‡ุฐู‡ ุฃู‚ู„ ู…ู† ุฃูˆ ุชุณุงูˆูŠ ู‡ุฐู‡ ุฃู†ุง ุฃุฏุนูŠ ูŠุง ู†ุงุณ
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ู‡ู„ ุงู„ุงุฏุนุงุก ู‡ุฐุง ุตุญูŠุญ ูˆู„ุง ุบูŠุฑ ุตุญูŠุญ ุชุนู†ูŠ ุงุชูู‡ู… ุนู„ู‰
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00:01:23,720 --> 00:01:29,180
ุงู„ู…ูˆุถูˆุน ุงู„ุฃู‡ู… ู…ู…ูƒู† ุชูƒูˆู† ุงู„ู€ F of X ุชุงุฎุฏ ู‚ูŠู… ู…ูˆุฌุจุฉ
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ุฏุงุฆู…ุง ูˆุฃุจุฏุง ูŠุจู‚ู‰ ุฅุฐุง ูƒุงู†ุช F of X ุจุงู„ู…ูˆุฌุจุฉ ุงู„ู€
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00:01:33,580 --> 00:01:39,340
absolute value ู„ู‡ุง ูŠุจู‚ู‰ ุดูˆ ุจูŠุญุตู„ ุชุณุงูˆูŠ ุชู…ุงู… ู„ูƒู† ู„ูˆ
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ูƒุงู†ุช F of X ุจุงู„ุณุงู„ุจ ุจุงู„ู€ absolute value ู„ู‡ุง ุจูŠุตูŠุฑ
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00:01:43,040 --> 00:01:47,820
ู…ูˆุฌุจ ูŠุจู‚ู‰ ุจูŠุตูŠุฑ ู‡ุฐู‡ ุฃู‚ู„ ู…ู† ู‡ุฐู‡ ูˆู„ุง ู„ุง ุฅุฐุง ู‡ุฐู‡
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ุฏุงุฆู…ุง ูˆุฃุจุฏุง ุฃู‚ู„ ู…ู† 100 ู…ู† ุงู„ู€ absolute value ู„ X
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ุฏุงุฆู…ุง ูˆุฃุจุฏุง ุงู„ุณุคุงู„ ู‡ูˆ ุฃูˆ ุชุณุงูˆูŠู‡ุง ู‡ู„ ู‡ูŠ ุฃูƒุจุฑ ู…ู† ุฃูˆ
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ุชุณุงูˆูŠ ุณุงู„ู… absolute value ู„ู„ู€ F of X ุฃู… ู„ุง ุชุนุงู„
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00:02:05,490 --> 00:02:10,790
ู†ุดูˆู ุจุฏู†ุง ู†ุฃุฎุฐู‡ุง ู„ูˆ ูƒุงู†ุช ู…ูˆุฌุจุฉ ู„ูˆ ูƒุงู†ุช ุณุงู„ุจุฉ ู„ูˆ
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ูƒุงู†ุช F of X ุจุงู„ู…ูˆุฌุจ ูŠุจู‚ู‰ absolute value ู„ู‡ุง
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00:02:15,510 --> 00:02:21,270
ุจุงู„ู…ูˆุฌุจ ูŠุจู‚ู‰ ุงู„ุณุงู„ุจ ู„ู‡ุง ุฃู‚ู„ ูŠุจู‚ู‰ ู‡ุฐู‡ ุฃู‚ู„ ุจุงู„ูุนู„
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ู‡ุฐู‡ ู„ูˆ ูƒุงู†ุช ู…ูˆุฌุจุฉ ู„ูˆ ูƒุงู†ุช f of x ุจุงู„ุณุงู„ุจ absolute
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value ุงู„ู„ูŠ ู‡ูŠ ุจูŠุตูŠุฑ ู…ูˆุฌุจุฉ ู…ุณุจูˆู‚ุฉ ุจุฅุดุงุฑุฉ ุณุงู„ุจ ุจูŠุตูŠุฑ
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00:02:30,930 --> 00:02:35,430
ุณุงู„ุจ ูˆู‡ุฐู‡ ุงู„ุณุงู„ุจ ูŠุจู‚ู‰ ุงุซู†ูŠู† are equal ูŠุจู‚ู‰ ุงู„ู€
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inequality ู‡ุฐู‡ ุตุญูŠุญุฉ ุฏุงุฆู…ุง ูˆุฃุจุฏุง
29
00:02:43,360 --> 00:02:50,140
ุฃู‚ู„ ู…ู† ุฃูˆ ูŠุณุงูˆูŠ absolute value ู„ู„ู€ F of X for all X
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00:02:50,140 --> 00:02:55,220
ุจู†ุงุณุจุฉ ุฃุซู†ุ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 ู„ู€
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00:03:04,560 --> 00:03:09,760
absolute value ู„ู€ F of X ุฃู‚ู„ ู…ู† ุฃูˆ ูŠุณุงูˆูŠ limit ู„ู…ุง
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00:03:09,760 --> 00:03:15,380
ุงู„ู€ X ุจุฏู‡ุง ุชุฑูˆุญ ู„ู€ C ู„ู€ F of X ุฃู‚ู„ ู…ู† ุฃูˆ ูŠุณุงูˆูŠ limit
34
00:03:15,380 --> 00:03:20,380
ู„ู…ุง ุงู„ู€ X tends to C ู„ู„ู€ absolute value ู„ู€ F of X
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00:03:22,130 --> 00:03:27,930
ุชู…ุงู…ุŸ ุทูŠุจุŒ ุงู„ุขู† ููŠ ุนู†ุฏูŠ ู…ุนุทูŠุงุช ุญุชู‰ ุงู„ุขู† ู„ู… ุฃุณุชุฎุฏู…
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ู‡ุฐู‡ ุงู„ู…ุนุทูŠุงุชุŒ ุทู„ุน ู„ูŠ ููŠ ุงู„ู…ุนุทูŠุงุช ุซุงู†ูŠุŒ ุงูŠุด ุจุชู‚ูˆู„
37
00:03:32,370 --> 00:03:36,450
ู„ูŠู‡ุŸ ุจุชู‚ูˆู„ ู„ูŠ ุงู„ู€ limit ู„ู„ู€ absolute value ู„ู„ุฏุงู„ุฉ
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00:03:36,450 --> 00:03:40,010
ุจุฏู‡ ูŠุณุงูˆูŠ Zero ุฅุฐุง ุงู„ู€ limit ู„ู‡ุฐู‡ ุงู„ุฏุงู„ุฉ ุจุฏู‡ ูŠุณุงูˆูŠ
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00:03:40,010 --> 00:03:44,730
Zero ู…ุถุฑูˆุจ ูู‚ุฏุงุดุŸ ุณุงู„ุจ Zero ูˆุงู„ู„ู‡ ู…ูˆุฌุจุฉ ุจ Zero ู…ู‡ูˆ
40
00:03:44,730 --> 00:03:50,030
ุจุงู‚ูŠุŸ ุจ Zero ุฃู‚ู„ ู…ู† ุฃูˆ ูŠุณุงูˆูŠ ุงู„ู€ limit ู„ู…ุง ุงู„ู€ X ุจุฏูŠ
41
00:03:50,030 --> 00:03:57,210
ุฃุฑูˆุญ ู„ู€ C ู„ู„ู€ F of X ุฃู‚ู„ ู…ู† ุฃูˆ ูŠุณุงูˆูŠ ู‡ุฐู‡ ู…ุนุทู‰ ู…ู† B0
42
00:03:57,210 --> 00:04:02,050
ุตุงุฑ limit ุงู„ุทุฑู ุงู„ุฃูŠุณุฑ ูŠุณุงูˆูŠ limit ุงู„ุทุฑู ุงู„ุฃูŠู…ู†
43
00:04:02,050 --> 00:04:05,090
ูŠุจู‚ู‰ ุงู„ู€ limit ู„ู„ุฏุงู„ุฉ ุงู„ู„ูŠ ููŠ ุงู„ูˆุณุท ุจุฏู‡ุง ุชุณุงูˆูŠ ู†ูุณ
44
00:04:05,090 --> 00:04:11,010
ุงู„ู‚ูŠู…ุฉ by sandwich theorem ุจุฑูˆุญ ุจู‚ูˆู„ู‡ by sandwich
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theorem we have
46
00:04:18,360 --> 00:04:24,220
Limit ู„ู„ู€ F of X ู„ู…ุง ุงู„ู€ X ุจุฏู‡ ุชุฑูˆุญ ุ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
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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„ู‰ X ุทุจุนุง ุงุญู†ุง ุณุงุจู‚ุง ุฃุฎุฐู†ุง limit ู„ู„ู€ X
50
00:04:49,590 --> 00:04:55,030
ุชุฑุจูŠุน ุงู„ู€ sign ูˆุงุญุฏ ุนู„ู‰ X ู…ุธุจูˆุท ู…ุฑุฉ ุงู„ู„ูŠ ูุงุชุช ุนู„ู‰
51
00:04:55,030 --> 00:04:59,130
sandwich theorem ุฃุฎุฐู†ุง limit X ุชุฑุจูŠุน ุซู…ูŠู† ููŠ sign
52
00:04:59,130 --> 00:05:03,830
ูˆุงุญุฏ ุนู„ู‰ X ู‡ุฐู‡ X ูˆู„ูŠุณุช X ุชุฑุจูŠุน ุทุจุนุง ูˆู‡ู†ุงูƒ ูุฑู‚
53
00:05:03,830 --> 00:05:08,350
ุดุงุณุน ุจูŠู† ุงู„ุงุซู†ูŠู† ู„ู…ุง ูƒุงู†ุช X ุชุฑุจูŠุน ูุงู„ X ุฅู† ูƒุงู†ุช
54
00:05:08,350 --> 00:05:11,410
ุณุงู„ุจุฉ ูˆุงู„ู„ู‡ ู…ูˆุฌุจุฉ ูˆุฑุถู‘ุนู‡ุง ุจุตูŠุฑ ู…ูˆุฌุจ ูˆุจุงู„ุชุงู„ูŠ ุชุจู‚ู‰
55
00:05:11,410 --> 00:05:15,900
ุงู„ู€ inequality ูƒู…ุง ู‡ูŠ ู„ูƒู† ู„ู…ุง ุชุจู‚ู‰ X ุงุญุชู…ุงู„ X ุชูƒูˆู†
56
00:05:15,900 --> 00:05:21,220
ู…ูˆุฌุจุฉ ุงุญุชู…ุงู„ ุชูƒูˆู† ุณุงู„ุจุฉ ู„ูŠุดุŸ ู„ุฃู† 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„ุณุงู„ุจุฉ ุงู„ุณุงู„ุจ ูŠุจู‚ู‰ ุงู„ุงุญุชู…ุงู„ ุฅู†ู‡ ูˆุฑุฏุงุช ู„ูƒู† ู„ู…ุง ูƒุงู†ุช
60
00:05:32,460 --> 00:05:42,010
X ุชุฑุจูŠุน ุตุงุฑ ุงู„ุงุญุชู…ุงู„ ูˆุงุญุฏ ูู‚ุท ุณู†ุญู„ ู‡ุฐู‡ ุงู„ู…ุณุฃู„ุฉ
61
00:05:44,990 --> 00:05:49,030
ุฃู†ุง ุงู„ู…ุซุงู„ ู‡ุฐุง ุจุฏูŠ ุฃุทุจู‚ู‡ ุนู„ู‰ ู…ูŠู†ุŸ ุนู„ู‰ ุงู„ู€ remark ูŠุนู†ูŠ
62
00:05:49,030 --> 00:05:54,170
ุจุฏูŠ ูŠูƒูˆู† ููŠู‡ ุนู†ุฏูŠ ู…ูŠู†ุŸ absolute value ู„ู…ูŠู†ุŸ ู„ู ุฏูˆู„ุงุฑ
63
00:05:54,170 --> 00:05:58,770
ุจุฃุฌูŠ ุจุณ ู„ู„ุณุคุงู„ ุงู„ุชุงู„ูŠ ุฃู†ุง ู„ูˆ ุจุฏูŠ ุฃุจุฏุฃ ุฒูŠ ุงู„ู…ุฑุฉ
64
00:05:58,770 --> 00:06:03,370
ุงู„ู„ูŠ ูุงุชุช ุจู‚ู‰ ุจุฏูŠ ุฃู‚ูˆู„ sign ูˆุงุญุฏ ุนู„ู‰ X ุฃูƒุจุฑ ู…ู† ุฃูˆ
65
00:06:03,370 --> 00:06:08,130
ูŠุณุงูˆูŠ ุ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†ุŸ ู…ู†
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†ุŸ ููŠ absolute value X
73
00:06:41,660 --> 00:06:45,340
absolute value X ุฏุงุฆู…ุง ูˆุฃุจุฏุง ุจุชุฒูŠุฏ ุชููˆู‰ ุจุงู„ุชุงู„ูŠ
74
00:06:45,340 --> 00:06:50,490
ู…ุง ุนู†ุฏูŠุด ู…ุดูƒู„ุฉ ุชุจู‚ู‰ ุ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 ูŠุณุงูˆูŠ absolute value ู„ู€ X ููŠ ุงู„ู€
77
00:07:00,490 --> 00:07:05,690
sign ูˆุงุญุฏ ุนู„ู‰ X ูƒู€ absolute value ุฃู‚ู„ ู…ู† ุฃูˆ ูŠุณุงูˆูŠ
78
00:07:05,690 --> 00:07:11,630
absolute value ู„ู€ X ุฃูˆ ุ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 ูŠุณุงูˆูŠ absolute
80
00:07:16,990 --> 00:07:22,990
value ู„ู€ X ููŠ sin 1 ุนู„ู‰ X ุฃู‚ู„ ู…ู† ุฃูˆ ูŠุณุงูˆูŠ absolute
81
00:07:22,990 --> 00:07:29,270
value ู„ู€ X ุฃุจุณู„ูˆุช ููŠ ุฃุจุณู„ูˆุช ููŠ ุฃุจุณู„ูˆุช ูˆุงุญุฏุฉ ู„ู…ุงุฐุงุŸ
82
00:07:29,270 --> 00:07:32,270
ู„ุฃู†ู‡ ู…ู† ุฎูˆุงุต ุงู„ู€ absolute value ุฃุฎุฐู†ุ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 ู†ุฃุฎุฐ 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†ุŸ ู„ุฒูŠุฑูˆ ุฃู‚ู„ ู…ู† ุฃูˆ ูŠุณุงูˆูŠ
88
00:07:59,970 --> 00:08:04,790
ุงู„ู€ limit ู„ู…ุง ุงู„ู€ X ุจุฏู‡ุง ุชุฑูˆุญ ู„ุฒูŠุฑูˆ ู„ู…ูŠู†ุŸ ู„ู„ู€ absolute
89
00:08:04,790 --> 00:08:10,370
value ู„ู€ X ููŠ sine ูˆุงุญุฏ ุนู„ู‰ X ุฃู‚ู„ ู…ู† ุฃูˆ ูŠุณุงูˆูŠ ุ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
X ุงู„ุขู† ู†ู‡ุ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
ู‚ุฏุงุดุŸ ุงู„ู€ limit ู„ู‡ุฐู‡ ุงู„ุฏุงู„ุฉุŸ Zero ุงู„ู„ูŠ ู…ุง ูŠุนุฑูุด ูŠุชุฐูƒุฑ
95
00:08:38,290 --> 00:08:42,610
ู„ุฑุณู…ุฉ ุงู„ู€ absolute value ุชุญุฑูƒุช ู„ู‡ุง ู…ู† ุฌู‡ุฉ ุงู„ูŠู…ูŠู†
96
00:08:42,610 --> 00:08:45,810
ุจู„ุงู‚ูŠู‡ุง ู†ุฒู„ุช ู„ุฒูŠุฑูˆ ุชุญุฑูƒุช ู„ู‡ุง ู…ู† ุฌู‡ุฉ ุงู„ุดู…ุงู„ ุจู„ุงู‚ูŠู‡ุง
97
00:08:45,810 --> 00:08:50,910
ู†ุฒู„ุช ู„ูˆูŠู†ุŸ ู„ุฒูŠุฑูˆ ุฅุฐุง ู‡ุฐู‡ ุงู„ู€ limit ุจุชุณุงูˆูŠ ู…ูŠู†ุŸ ุจุงู„ุฒูŠุฑูˆ
98
00:08:50,910 --> 00:08:55,010
ุฅุฐุง ุจุงู„ุณุงู†ุฏูˆุด ุซูŠุฑู… ุชุจุน ุงู„ู…ุฑุฉ ุงู„ู…ุงุถูŠุฉ limit ู„ู‡ุฐู‡
99
00:08:55,010 --> 00:09:01,750
ุงู„ุฏุงู„ุฉ ุจู‚ุฏุงุดุŸ ุ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
00:09:16,670 --> 00:09:21,810
ุญุชู‰ ุงู„ุขู† ู…ุง ูˆุตู„ู†ุงุด ู„ู„ู…ุทู„ูˆุจ ุงู„ู…ุทู„ูˆุจ ุจุฏู†ุง ุฅูŠุงู‡ ุจุฏูˆู†
104
00:09:21,810 --> 00:09:25,790
Absolute Value ุจุฃุฌูŠ ุจุฑุฌุน ู„ู„ู€ remark ุงู„ู€ remark ุจุชู‚ูˆู„
105
00:09:25,790 --> 00:09:28,970
ุ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
00:09:32,730 --> 00:09:35,210
ุจู‚ูˆู„ู‡ By The
108
00:09:37,530 --> 00:09:42,010
above remark ุงู„ู€
109
00:09:42,010 --> 00:09:46,570
limit ู„ู…ุง ุงู„ู€ x ุจุฏู‡ ุชุฑูˆุญ ู„ู„ู€ zero ุงู„ู„ูŠ ุงู„ู€ x ููŠ ุงู„ู€
110
00:09:46,570 --> 00:09:51,210
sign ูˆุงุญุฏ ุนู„ู‰ x ุจุฏู‡ ูŠุณุงูˆูŠ ู…ุงูŠู† ุจุฏู‡ ูŠุณุงูˆูŠ zero
111
00:09:51,210 --> 00:09:58,360
ุญู„ู‘ ู„ู‡ ูŠุชุณุงุคู„ ู‡ู†ุง ุทูŠุจุŒ ุฏูŠุฑ ุจุงู„ูƒุŒ ู‡ุฐุง ุงู„ุณุคุงู„ ู‡ูŠู‡ู„ูƒ
112
00:09:58,360 --> 00:10:03,080
ุจุทุฑูŠู‚ุฉ ุฃุฎุฑู‰ ุจุฑุถู‡ ุงู„ูŠูˆู…ุŒ ุชู…ุงู…ุŸ ุจุณ ููŠ ุงู„ู€ section
113
00:10:03,080 --> 00:10:09,940
ุงู„ู‚ุงุฏู… ุจุนุฏ ู‚ู„ูŠู„ ูŠุจู‚ู‰ ู‡ุฐุง section ุงุซู†ูŠู† ุงุซู†ูŠู† ุฅู„ูŠูƒ
114
00:10:09,940 --> 00:10:17,120
exercises ุงุซู†ูŠู† ุงุซู†ู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 ูˆุณุจุนูŠู†
116
00:10:23,930 --> 00:10:33,990
ู„ุชู…ุงู†ูŠู† ูˆู…ู† ุฎู…ุณุฉ ูˆุณุจุนูŠู† ู„ุบุงูŠุฉ ุซู…ุงู†ูŠู† ุญุงู„ูŠ
117
00:10:33,990 --> 00:10:34,730
ุจุฏูŠ ุฃุณุฃู„ุŸ
118
00:10:42,540 --> 00:10:47,400
ู‚ู„ู†ุง ุจุฃู† ุนุฏูˆูƒ ู„ูƒ ูƒู…ุงู† ู…ุฑุฉ ุงู„ู€ X ู‡ุฐุง ุงู„ู„ูŠ ุจุชุถุฑุจ ููŠู‡ุง
119
00:10:47,400 --> 00:10:51,360
ุนุงุฑูู‡ุง ู…ูˆุฌุจุฉ ูˆู„ุง ุณุงู„ุจุฉุŸ ู„ูˆ ู…ูˆุฌุจุฉ ู…ุง ุนู†ุฏูŠุด ู…ุดูƒู„ุฉุŒ ุจุณ
120
00:10:51,360 --> 00:10:54,660
ู„ู…ุง ุชูƒูˆู† ุณุงู„ุจุฉ ู„ุฃู† X ุจุชุฑูˆุญ ู„ุฒูŠุฑูˆุŒ ู…ุง ู‡ูŠ ุจุชุฑูˆุญ
121
00:10:54,660 --> 00:10:58,660
ู„ุฒูŠุฑูˆุŒ ุงุญุชู…ุงู„ุง ุชูƒูˆู† ู…ูˆุฌุจุฉุŒ ุงุญุชู…ุงู„ุง ุชูƒูˆู† ุณุงู„ุจุฉุŒ ู„ูˆ
122
00:10:58,660 --> 00:11:05,080
ุงู†ุถุฑุจุช ููŠ ุงู„ู€ X ุงู„ุณุงู„ุจุฉ ุจูŠุจู‚ู‰ ุชู†ู‚ู„ุจ ุงู„ู€ inequality ู‡ุฐู‡
123
00:11:05,080 --> 00:11:09,320
ูˆุจุฏู„ ู…ุง ูƒุงู† ุชู‚ู„ ู…ู†ู‡ ุงูŠุด ุจูŠุตูŠุฑุŸ ุฃูƒุจุฑ ู…ู†ู‡ ู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† ู…ุง ุชุฌู„ู‘ุจุด ุงู„ู€ inequality ุจุฑูˆุญ ุจุถุฑุจ ุฃู…ุงู… ููŠ
126
00:11:15,020 --> 00:11:19,220
absolute ุงุซู†ูŠู† ุฃู†ุง ุนู†ุฏูŠ absolute ู„ูˆ ุถุฑุจุช ุงู„ู€ X
127
00:11:19,220 --> 00:11:21,680
ุงู„ุซุงู†ูŠุฉ ู…ุง ุฃู‚ุฏุฑุด ุฃุฏุฎู„ู‡ุง ุฏุงุฎู„ absolute
128
00:11:25,700 --> 00:11:30,900
ู…ุง ูุนู„ุด ุดูŠุก ู…ุง ูุนู„ุด ูƒู„ ุญุงุฌุฉ ุจูŠูƒูˆู† ุจู†ู‚ูˆู„ ู„ูƒ ู„ูˆ ูƒุงู†ุช
129
00:11:30,900 --> 00:11:34,340
ุณู„ุจูŠุฉ ุฃูŠ ูุฑุถ ู…ุง ูƒุชุจุชุด ู„ุฃ ุจุณ ู„ูˆ ู‚ู„ุช value ุฃูˆ ู‚ู„ุช sin ูˆุงุญุฏ
130
00:11:34,340 --> 00:11:38,040
ุนู„ู‰ X ุจู‚ุฏุฑ ุฃู‚ูˆู„ ุจูŠู† zero ูˆ ูˆุงุญุฏ ุณุงู„ุจ ูˆุงุญุฏ ูˆ ูˆุงุญุฏ
131
00:11:38,040 --> 00:11:42,200
ุนู„ู‰ ุทูˆู„ ุงู„ุฎุท ุจุฏูƒ ุชุถุฑุจ ููŠ X ุจุนุฑูุด ุจุฏู‘ู‡ ูŠุตูŠุฑ ุนู†ุฏูƒ two
132
00:11:42,200 --> 00:11:48,460
inequalities ู…ุด ูˆุงุญุฏุฉ ูˆุจุงู„ุชุงู„ูŠ ุชูˆุฑุทู†ุง ู…ุธุจูˆุท ู„ูƒู† ุจุงู„ู€
133
00:11:48,460 --> 00:11:52,540
absolute ุฅู†ู‘ ุญู„ุช ุงู„ู…ุดูƒู„ุฉ ุงุซู†ูŠู† ุฃู†ุง ุจุฏูŠ ุฃุฌูŠุจ ู…ุ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„ุขู† ุฅู„ู‰ section ุงุซู†ูŠู† ุซู„ุงุซุฉ
136
00:12:04,100 --> 00:12:08,140
ุงู„ู„ูŠ ู‡ูˆ ุงู„ู€ section ุงู„ู„ูŠ ูŠู„ูŠู‡ ู…ุจุงุดุฑุฉ
137
00:12:26,890 --> 00:12:39,790
Area section ุงุซู†ูŠู† ุซู„ุงุซุฉ Precise
138
00:12:39,790 --> 00:12:42,270
Definition
139
00:12:44,000 --> 00:12:51,700
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 do not tell her we do not
142
00:13:17,020 --> 00:13:31,080
how to find a limit of a function but
143
00:13:31,080 --> 00:13:38,720
we verify ุจุฏุฃ
144
00:13:38,720 --> 00:13:49,730
ู†ุชุญู‚ู‚ ู†ุชุฃูƒุฏ that the suspected that the suspected
145
00:13:49,730 --> 00:14:06,250
limit is correct ูƒูˆู† ุตุญูŠุญุฉ definition
146
00:14:06,250 --> 00:14:10,350
let
147
00:14:10,350 --> 00:14:20,990
ุงู„ู€ F be a function defined on
148
00:14:20,990 --> 00:14:31,630
an open interval containing
149
00:14:31,630 --> 00:14:35,510
x0
150
00:14:35,510 --> 00:14:38,490
except possibly
151
00:14:45,230 --> 00:14:53,370
except possibly 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‡ุง ุชุฑูˆุญ ู„ู„ู€ x node ุจุฏู‡ุง
154
00:15:07,730 --> 00:15:13,890
ุชุณุงูˆู‰ ุงู„ู€ L means that ุชุนู†ูŠ ุฃู†
155
00:15:59,360 --> 00:16:03,660
ูŠุจู‚ู‰ ุงู„ุนู†ูˆุงู† ุงู„ู„ูŠ ุฅุญู†ุ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 ูƒู†ุ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 ุจุฏู‡ุง ุชุณุงูˆูŠ ู…ูŠู†ุŸ ุจุฏู‡ุง ุชุณุงูˆูŠ L ู‡ู†ุ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†ุŸ ู„ู„ู†ู‡ุงูŠุฉ ุจุฃูˆู„
163
00:16:39,250 --> 00:16:43,580
ุณุทุฑูŠู† ุจู‚ูˆู„ ู„ูŠุดุŸ ุจูŠู‚ูˆู„ ุฅุญู†ุง ููŠ ู‡ุฐุง ุงู„ู€ section ุจุฏู†ุงุด
164
00:16:43,580 --> 00:16:47,240
ู†ุญุณุจ ู†ู‡ุงูŠุงุช ุฒูŠ ู…ุง ูƒู†ุง ุจู†ุญุณุจ ู†ู‡ุงูŠุงุช ููŠ ุงู„ู€ section
165
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ุงู„ู…ุงุถูŠุŒ ู‡ุ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 ุตุญูŠุญุฉ ูŠุนู†ูŠ ู…ุนู†ุงุชู‡
167
00:16:57,600 --> 00:17:02,520
ู‡ูŠุนุทูŠู†ูŠ ุฏุงู„ุฉ ูˆูŠุนุทูŠู†ูŠ limit ู„ู‡ุฐู‡ ุงู„ุฏุงู„ุฉ ูˆุฅุญู†ุง ุจุฏู†ุง
168
00:17:02,520 --> 00:17:06,760
ู†ุชุฃูƒุฏ ุฅู† ุงู„ู‚ูŠู…ุฉ ุงู„ู„ูŠ ุฃุนุทุงู‡ุง ู„ู‡ุฐู‡ ู…ุงู„ู‡ุงุŸ ู‚ูŠู…ุฉ ุตุญูŠุญุฉ
169
00:17:06,760 --> 00:17:10,800
ูŠุจู‚ู‰ ุงู„ู„ูŠ ุจุชุทู„ุน ูˆุฑุงูŠุง ูŠุทู„ุน ู‡ู†ุง ูˆูŠุตุญุตุญ ู…ุนุงู‡ ูƒูˆูŠุณ
170
00:17:10,800 --> 00:17:17,940
ู„ุฃู† ู‡ุฐุง ุงู„ู€ section ุงู„ุณู‡ู„ ุงู„ู…ู…ุชู†ุน ูŠุนู†ูŠ ููŠ ุญุฏ ุฐุงุชู‡
171
00:17:17,940 --> 00:17:22,200
ุณู‡ู„ ู„ูƒู† ูƒู„ู‘ูƒู… ู‡ุชุฏุงุฌูˆุง ู…ู†ู‡ ู…ู† ุฃูˆู„ูƒู… ุฅู„ู‰ ุขุฎุฑูƒู…
172
00:17:22,200 --> 00:17:27,060
ุชู…ุงู… ุฑุบู… ุฃู†ู‡ ุณู‡ู„ ู„ูƒู† ู…ู…ูƒู† ูŠุจู‚ู‰ ูุงุชุญ ู…ุนุงูŠุง ุฃู†ุง ู‡ู…ุดูŠ
173
00:17:27,060 --> 00:17:32,000
ู…ุนุงูƒ step by step ุชู…ุงู… ูุจูŠู‚ูˆู„ ู„ูŠุดุŸ in this section
174
00:17:32,000 --> 00:17:34,980
ููŠ ู‡ุฐุง ุงู„ู€ section we do not tell how to find a
175
00:17:34,980 --> 00:17:38,240
limit of a function ุงุญู†ุง ู…ุด ู‡ู†ู‚ูˆู„ ู„ูƒ ูƒูŠู ุชูˆุฌุฏ
176
00:17:38,240 --> 00:17:43,040
ุงู„ู†ู‡ุงูŠุฉ ู„ู€ function ู‡ู†ุดูˆู ุฅูŠุด ู†ุนู…ู„ but we verify ุจุฃู†
177
00:17:43,040 --> 00:17:48,5
201
00:20:07,980 --> 00:20:12,950
ุชุงู†ูŠุฉLimit the f of x ู„ู…ุง ุงู„ู€ x ุชุฑูˆุญ ุฅู„ู‰ ุงู„ู€ x node
202
00:20:12,950 --> 00:20:18,530
ุงู„ุณุงูˆูŠุฉ ุงู„ู€ L means that ุชุนู†ูŠ ู…ุง ูŠุฃุชูŠ for every
203
00:20:18,530 --> 00:20:22,610
epsilon greater than zero ูŠุนู†ูŠ ุฅุฐุง ุฃุนุทูŠู†ุง epsilon
204
00:20:22,610 --> 00:20:27,250
greater than ูŠุนู†ูŠ real ุนุฏุฏ real ู…ูˆุฌุจ ู…ุงุนู†ุฏูŠ
205
00:20:27,250 --> 00:20:32,270
ู…ุดูƒู„ุฉ ุชู…ุงู… ูŠุจู‚ู‰ ุฃู†ุง ูƒู„ ุงู„ู„ูŠ ุจุฏูŠ ูŠูƒูˆู† ุนุฏุฏ ู…ูˆุฌุจ
206
00:20:32,270 --> 00:20:37,890
ุชู…ุงู… ู…ุนู„ู‡ ุฃูƒุจุฑ ู…ู† ุงู„ zero ู‡ุงูŠ ุงู„ู…ูˆุฌุจุฅุฐุง ุฃุฎุฏู†ุง ุนุฏุฏ
207
00:20:37,890 --> 00:20:42,530
ู…ูˆุฌุจ ุฃูƒุจุฑ ู…ู† ุงู„ู€ zero there exists ูŠูˆุฌุฏ ุงู„ู€ E
208
00:20:42,530 --> 00:20:46,630
ุจุงู„ุฅู†ุฌู„ูŠุฒูŠ ุจุณ ู…ุบู„ูˆุจุฉ ูŠุนู†ูŠ ุฃู† ู‡ู†ุงูƒ ู…ูˆุฌุจ ูุฑูŠุงุถูŠุชู†ุง
209
00:20:46,630 --> 00:20:52,490
ู‡ู†ุงูƒ ู…ูˆุฌุจ ุฏู„ุชุง ุฃูƒุจุฑ ู…ู† ุงู„ู€ zero ุจู„ุงู‚ูŠ ู‚ูŠู…ุฉ ู„ุฏู„ุชุง
210
00:20:52,490 --> 00:20:58,530
ู…ุงู„ู‡ุง ุชุจู‚ู‰ ู…ูˆุฌุจุฉ ุฏุงุฆู… ู‡ู†ุง ุจุญูŠุซ ุฃู†ุงู„ู€ zero ุฃู‚ู„ ู…ู†
211
00:20:58,530 --> 00:21:03,870
ุงู„ X ู†ู‚ุต ุงู„ X node ุฃู‚ู„ ู…ู† ุฏู„ุชุง ูŠุจู‚ู‰ ุฎุงุชุฉ ุงู„
212
00:21:03,870 --> 00:21:07,090
absolute value ู„ู„ X ู†ู‚ุต X node ุจุฏู„ุฌูŠู‡ุง ุฏุงุฆู…ุง ูˆ
213
00:21:07,090 --> 00:21:11,030
ุฃุจุฏุง ู…ูˆุฌุจุฉ ู„ุฅู† absolute ูˆ ููŠ ู†ูุณ ุงู„ูˆู‚ุช ุฃู‚ู„ ู…ู†
214
00:21:11,030 --> 00:21:16,280
delta ุฅู† ุญุฏุซ ุฐู„ูƒ ูŠุจู‚ู‰ ูŠุฌุจ ุฃู† ูŠูƒูˆู† ุงู„ูุฑู‚ ู…ุง ู…ู† ุงู„ F
215
00:21:16,280 --> 00:21:22,480
of X ูˆL ุงู„ absolute value ุฃู‚ู„ ู…ู† ุฅุจุณู„ูˆู† ูŠุจู‚ู‰ ู‡ุฐุง
216
00:21:22,480 --> 00:21:27,680
ุงู„ุชุนุฑูŠู ู‡ูˆ ุงู„ุชุนุฑูŠู ุนู†ุฏู†ุง ู„ุฌุฏูŠุฏ ู‡ู†ุง ูุงู‡ู…ูŠู†ุŸ ุทุจุนุง ู„ุฃ
217
00:21:27,680 --> 00:21:34,960
ูƒู„ู‡ ุทู„ุงุณู… ุชู…ุงู…ุŸ ุงู„ุขู† ุจุฏู†ุง ู†ููƒ ู‡ุฐู‡ ุงู„ุทู„ุงุณู… ูˆ ู†ุจูŠู‘ู† ู„ูƒ
218
00:21:34,960 --> 00:21:40,800
ุฃู† ู‡ุฐู‡ ุงู„ุทู„ุงุณู… ู‡ูŠ ุงู„ุชุนุฑูŠู ุงู„ู„ูŠ ุงู†ุช ุฃุฎุฏุชู‡ ู‡ุฐุง ู‚ุจู„
219
00:21:40,800 --> 00:21:46,020
ุฐู„ูƒ ุจุงู„ doubleุชู…ุงู… ุจุณ ู‚ุจู„ ู…ุง ุฃูู‡ู…ูƒ ู‡ุฐุง ุงู„ูƒู„ุงู… ุงูŠู‡
220
00:21:46,020 --> 00:21:50,200
ุฎุงุทุฑ ุฃููƒ ุงู„inquality ู‡ุฐูŠ ูˆููƒ ุงู„inquality ู‡ุฐูŠ ุฃุดูˆู
221
00:21:50,200 --> 00:21:55,360
ุจุฏู‡ ุชูˆุตู„ู†ูŠ ู„ูˆูŠู† ูู„ูˆ ุฌูŠุช ููƒุช ุงู„inquality ู‡ุฐูŠ ู‡ุฐูŠ
222
00:21:55,360 --> 00:22:00,880
ู…ุนู†ุงู‡ุง ุงู†ู‡ x ู†ุงู‚ุต ุงู„ x node ุงู‚ู„ ู…ู† delta ูˆ ุงูƒุจุฑ ู…ู†
223
00:22:00,880 --> 00:22:04,920
ุณุงู„ุจ delta ู…ุด ู‡ูŠ ุฎุงุตุฉ ุงู„ absolute value ุฎุงุตุฉ ุงู† ุงู„
224
00:22:04,920 --> 00:22:10,100
delta ู…ูˆุฌุจุฉุถูŠู ู„ู€ 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 ุจุฏู‡ุง ุชุชุญุฑูƒ
227
00:22:22,840 --> 00:22:30,360
ุฎู„ุงู„ ู‡ุฐู‡ ุงู„ูุชุฑุฉ ุฅู† ุญุฏุซ ุฐู„ูƒ ูŠุจู‚ู‰ ู‡ุฐุง ุจุฏู‡ ูŠุนุทูŠูƒ ุงู†
228
00:22:30,360 --> 00:22:37,380
ุ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
00:22:49,880 --> 00:22:57,810
ู†ุ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
ุงุญู†ุ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
00:28:39,190 --> 00:28:44,270
ุงู„ุญู…ุฑุฉ ุตุญูŠุญ ูˆู„ุง ู„ุฃ ุงู„ู…ุณุงูุฉ ุจูŠู† X ูˆ X node ู…ุด ุฃู‚ู„
288
00:28:44,270 --> 00:28:48,650
ู…ู† Delta ูˆู„ุง ู„ุฃ ุทุจ ู„ูŠุด ุงู„ absolute value ู„ุฃู† X
289
00:28:48,650 --> 00:28:52,810
ู…ู…ูƒู† ุชูƒูˆู† ุนู„ู‰ ุงู„ุดุฌุฉ ุงู„ุชุงู†ูŠุฉ ูุฅู† ูƒุงู†ุช X node ุนู„ู‰
290
00:28:52,810 --> 00:28:56,890
ุงู„ุดุฌุฉ ุงู„ุชุงู†ูŠุฉ ุจุตูŠุฑ X node ุฃูƒุจุฑ ู…ู† ู…ูŠู† ู…ู† X ูˆ ุจูƒุงู„ุฉ
291
00:28:56,890 --> 00:29:00,910
ุจุชุทู„ุน ู‚ูŠู…ุฉ ุณุงู„ุจุฉ ู„ู…ุง ู†ุงุฎุฏ ุงู„ absolute value ุจุทู„ุช
292
00:29:00,910 --> 00:29:04,210
ุฃุตูŠุฑ ุณุงู„ุจุฉ ุจุตูŠุฑ ู…ูŠู† ุจุตูŠุฑ ู…ูˆุฌุจุฉ ุฅุฐุง ู„ู…ุง ุฃุฎุฏุช ุงู„
293
00:29:04,210 --> 00:29:08,020
absolute value ู„ูˆ ูˆู‚ุนุช ุจุนุฏ ุงู„ X nodeูˆุงู„ู„ู‡ ู‚ุจู„ ุงู„ X
294
00:29:08,020 --> 00:29:11,900
node ูู‚ุถูŠุชู‡ุง ู…ุญู„ูˆู„ุฉ ู…ุงุนู†ุฏูŠุด ู…ุดุงูƒู„ ูŠุจู‚ู‰ ูู‡ู…ู†ุง ู„ูŠุด
295
00:29:11,900 --> 00:29:17,020
ุงู„ absolute value ุทูŠุจ ู…ู…ุชุงุฒ ุฌุฏุง ูŠุจู‚ู‰ ุตุงุฑ ุงู„ X
296
00:29:17,020 --> 00:29:20,880
ุณุชุชุญุฑูƒ ููŠ ุงู„ูุชุฑุฉ ุงู„ู„ูŠ ุนู†ุฏู†ุง ู‡ุฐู‡ ู‚ุฏ ุชูƒูˆู† ุงู„ X ู†ู‚ุต X
297
00:29:20,880 --> 00:29:25,820
node ู…ูˆุฌุจุฉ ูˆู‚ุฏ ุชูƒูˆู† ุงู„ X ู†ู‚ุต ุงู„ X node ู…ุงู„ู‡ุง ุณุงู„ุจุฉ
298
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
299
00:29:31,000 --> 00:29:35,870
ุงู„ู†ู‚ุทุฉ ุงู„ู„ูŠ ุนู†ุฏู†ุง ู‡ุฐู‡ูˆุงู„ู€ L ู‡ูŠ ูŠุจู‚ู‰ ู‡ุฐุง ุงู„ูุฑู‚ ู…ุง
300
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„ู‡ ู…ู†
301
00:29:43,610 --> 00:29:47,410
ุงู„ absolute value ู„ุฅู† ุงุญุชู…ุงู„ ูƒู…ุงู† ูŠูƒูˆู† ู…ูˆุฌุจ
302
00:29:47,410 --> 00:29:52,410
ูˆุงุญุชู…ุงู„ ุณุงู„ุจ ุฃู†ุง ุนู†ุฏูŠ ุนู„ู‰ ุงู„ุฑุณู… L ุฃูƒุจุฑ ู…ู† ู…ูŠู†ุŸ ู…ู†
303
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
304
00:29:55,310 --> 00:29:58,410
ุจุชุทู„ุน ุณุงู„ุจ ู‡ูˆ ุงู„ู„ู‡ ู…ูˆุฌุจูŠุจู‚ู‰ ุงู†ุง ุจุงุฎุฏ absolute
305
00:29:58,410 --> 00:30:03,870
value ุถู…ู†ุช ุงู†ู‡ุง ู…ูˆุฌุจุฉ ุชู…ุงู… ูˆู„ุง ุจู‚ู‰ ุงุชู†ูŠู† ุงู„ู…ุณุงูุฉ
306
00:30:03,870 --> 00:30:07,770
ู‡ูŠ ููŠ x ู†ู‚ุต ุงู„ L ูˆู‡ูŠ ุงู„ epsilon ู‡ุฐู‡ ู…ู† ุงู„ุงูƒุจุฑ
307
00:30:07,770 --> 00:30:12,470
epsilon ูˆู„ุง ุงู„ู…ุณุงูุฉ ู‡ุฐู‡ ุงู„ู…ุณุงูุฉ ู‡ุฐู‡ ุงู‚ู„ ู…ู† ุงู„
308
00:30:12,470 --> 00:30:18,590
epsilon ุตุญูŠุญ ูˆู„ุง ุงู„ epsilon ู…ู† ู‡ู†ุง ู„ู‡ู†ุง ู‡ูŠุฃูˆ ู…ู†
309
00:30:18,590 --> 00:30:22,870
ู‡ู†ุง ู„ู‡ู†ุง ู„ูƒู† ุงู„ู…ุณุงูุฉ ุจูŠู† F of X ูˆ L ู„ู„ู…ุณุงูุฉ ู‡ุฐู‡
310
00:30:22,870 --> 00:30:28,050
ูˆุงุถุญ ุฃู†ู‡ุง ุฃู‚ู„ ู…ู† ู…ูŠู†ุŸ ุฃู‚ู„ ู…ู† ุงู„ู€ Epsilon ูŠุจู‚ู‰ ..
311
00:30:28,050 --> 00:30:34,680
ุจุณ ูˆุฑุง ุดูˆูŠุฉ ูŠุจู‚ู‰ ุงู„ุทู„ุงุณู… ู‡ุฐู‡ ุงู† ููƒุช ูˆู„ุง ู„ุงููƒุฑุช ุจุณ
312
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†
313
00:30:41,600 --> 00:30:46,520
ุจู…ูˆุถูˆุน ุงู„ limit ุตุญูŠุญ ูˆู„ุง ู„ุฃุŸ ุงูŠูˆุฉ ุชุนุงู„ ู†ุญุท ู‡ุฐู‡
314
00:30:46,520 --> 00:30:50,460
ุงู„ุทู„ุงุณู… ุจู…ูู‡ูˆู… ุงู„ limit ุงู„ู„ูŠ ุนู†ุฏู†ุง ุงู„ู…ุฑุฉ ุงู„ู„ูŠ
315
00:30:50,460 --> 00:30:54,600
ูุงุชูˆุง ุงุญู†ุง ุจู†ุดุฑุญ ููŠ ุงู„ limit ุจู‚ูˆู„ู†ุง ุงูŠุดุŸ ุจู‚ูˆู„ู†ุง if
316
00:30:54,600 --> 00:31:00,500
ุงู„ X approaches X node ุงุฐุง ุงู‚ุชุฑุจุช X ู…ู† X node then
317
00:31:00,500 --> 00:31:07,640
if of X approachesูƒู„ ู…ุง ุงู‚ุชุฑุจุช X ู…ู† X node ูƒู„ ู…ุง
318
00:31:07,640 --> 00:31:12,340
ุงู‚ุชุฑุจุช F of X ู…ู† L ูˆ ุจู†ุฑูˆุญ ุงู†ุนุจุฑ ุนู† ู‡ุฐุง ุฑูŠุงุถูŠุง ุจ
319
00:31:12,340 --> 00:31:15,840
limit F of X ู„ู…ุง ุงู„ X ุจุชุฑูˆุญ ุงู„ X node ุจุฏู‡ ูŠุณุงูˆูŠ L
320
00:31:15,840 --> 00:31:20,040
ู…ุด ุดุฆ ู‚ู„ู†ุง ุทูŠุจ ุชุนุงู„ู‰ ู†ุดูˆู ุงู„ูƒู„ุงู… ุงู„ู„ูŠ ู‚ู„ุชู‡ ู„ูƒ ู‡ูˆ
321
00:31:20,040 --> 00:31:26,650
ุงู„ู„ูŠ ุนู„ู‰ ุงู„ู„ูˆุญ ูˆุงู„ู„ู‡ ุบูŠุฑู‡ ุชุนุงู„ู‰ ู†ุดูˆูุทุจุนุง ุงู† ูƒู„ ู…ุง
322
00:31:26,650 --> 00:31:32,430
ุงู‚ุชุฑุจุช X ู…ู† X node ูŠุฌุจ ุงู† ู†ุดูˆู ุงู„ F of X ุจุชุฌุฑุจ ู…ู†
323
00:31:32,430 --> 00:31:38,610
L ูˆู„ุง ู„ุง ูŠุจู‚ู‰ ู„ูˆ ุฌุจุช X node ุญุท X ู‡ู†ุง ูŠุจู‚ู‰ ุฌุฑุจุช
324
00:31:38,610 --> 00:31:45,160
ุงู…ุดูŠ ุฌุฑุจุช ุนู„ู‰ L ุตุญูŠุญ ูˆู„ุง ู„ุงุŸุฅุฐุง ูƒู„ู…ุง ุงู‚ุชุฑุจุช X ู…ู† X
325
00:31:45,160 --> 00:31:50,140
node ูƒู„ู…ุง ุงู‚ุชุฑุจุช F of X ู…ู† ู…ู† ู…ู† ุงู„ L ูŠุจู‚ู‰ limit
326
00:31:50,140 --> 00:31:53,960
ุงู„ F of X ู„ู…ุง ุงู„ X ุจุชุฑูˆุญ ุงู„ X node ุจุฏุฃุช ุณุงูˆูŠ ุงู„ L
327
00:31:53,960 --> 00:31:57,960
ุตุญูŠุญ ูˆู„ุง ู„ุง ูŠุจู‚ู‰ ู‡ุฐุง ุงู„ู…ุนู†ู‰ ุงู„ู„ูŠ ุงุญู†ุง ุจู†ู‚ูˆู„ู‡ ูŠุจู‚ู‰
328
00:31:57,960 --> 00:32:01,440
ุงู„ูƒู„ุงู… ุงู„ุนุชูŠุฌูŠ ุชุจุน ุงู„ section ุงู„ู„ูŠ ูุงุช ู‡ูˆ ุงู„ูƒู„ุงู…
329
00:32:01,440 --> 00:32:05,540
ุงู„ุฌุฏูŠุฏ ุงู„ู„ูŠ ุงู„ูŠูˆู… ุจุณ ุงู„ู…ุฑุฉ ุฏูŠ ุญุงุทูŠู†ู‡ุง ุนู„ู‰ ุดูƒู„ ุฑู…ูˆุฒ
330
00:32:05,540 --> 00:32:11,200
Epsilon ูˆDeltaู…ุงุดูŠ ูŠุง ุณูŠุฏูŠ ุทุจ ุจุฏูŠ ุฃู‚ูˆู„ ู‡ุฐุง ุงู„ูƒู„ุงู…
331
00:32:11,200 --> 00:32:18,700
ู„ู„ู…ุฑุฉ ุงู„ุฃุฎูŠุฑุฉ ุชู…ุงู…ุŸ ุงู„ุงู† ุงุญู†ุง ูƒุงุชุจูŠู† ูุฑู‚ ุนู†ูˆุงู†
332
00:32:18,700 --> 00:32:23,720
ุฏู‚ูŠู‚ ู„ู…ูู‡ูˆู… ุงู„ู†ู‡ุงูŠุฉ ุงู„ู…ุฑุฉ ุงู„ู„ูŠ ูุงุชุช ู‚ูˆู„ู†ุง ุนู†ูˆุงู†
333
00:32:23,720 --> 00:32:28,660
ุนุงู… ูˆ ุจู‚ูŠู†ุง ู†ุตูŠุบูˆุง ูƒู„ุงู… if x approaches to x0 then
334
00:32:28,660 --> 00:32:32,140
f of x approaches to L ูˆุจุงู„ุชุงู„ูŠ limit of f of x
335
00:32:32,140 --> 00:32:35,430
ู„ู…ุง ุงู„ X ุจุชุฑูˆุญ ู„ู„ X0 ุจุฏู‡ ูŠุณุงูˆูŠ Lู‡ุฐุง ู…ุง ูƒู†ุง ู†ู‚ูˆู„ู‡
336
00:32:35,430 --> 00:32:40,630
ููŠ ุงู„ุณูŠู‚ุดู† ุงู„ู…ุงุถูŠ ุงู„ุงู† ู†ู‚ูˆู„ู‡ ู†ูุณู‡ ุจุณ ุจุทุฑูŠู‚ุฉ ุฌุฏูŠุฏุฉ
337
00:32:40,630 --> 00:32:44,830
ูุจู‚ูˆู„ ุงู„ุชุนุฑูŠู ู…ุง ูŠุชูŠู„ุช ุงู„ f of x ุจูŠุจู‚ู‰ function
338
00:32:44,830 --> 00:32:48,890
ู…ุนุฑูุฉ ุนู„ู‰ open interval ูˆ ุงู„ open interval ุชุญุชูˆูŠ
339
00:32:48,890 --> 00:32:52,010
ุนู„ู‰ ุงู„ x node ูˆ ุนู†ุฏ ุงู„ x node ุงู„ุฏู„ุฉ ู…ู…ูƒู† ุชูƒูˆู†
340
00:32:52,010 --> 00:32:56,470
ู…ุนุฑูุฉ ูˆ ู…ู…ูƒู† ู…ุงุชูƒูˆู†ุด ู…ุนุฑูุฉ ุจูŠู‡ู…ู†ูŠุด ู„ุฃู† ุงู†ุง ุจุฏูŠ
341
00:32:56,470 --> 00:33:02,880
limit ุจุฏูŠุด ู‚ูŠู…ุฉ ุฏู„ุฉุจู‚ูˆู„ ุงู„ุงู† ุนู†ุฏ ุงู„ limit ุงู„ f of
342
00:33:02,880 --> 00:33:07,900
x ู„ู…ุง ุงู„ x ุชุฑูˆุญ ู„ู„ x node ุจุฏูŠ ูŠุณูˆู‰ ุงู„ ุชุนู†ูŠ ุงู†ู‡ ูŠุนู†ูŠ
343
00:33:07,900 --> 00:33:14,200
ุงู†ุง ุจุฏูŠ ุงุฌูŠุจ ุชุนุฑูŠู ุงู„ู‡ุง ุจุทุฑูŠู‚ุฉ ุฌุฏูŠุฏุฉ given epsilon
344
00:33:14,200 --> 00:33:19,140
greater than zero ุงุฐุง ุงุนุทูŠุช ุงุจุณู„ูˆู† greater than
345
00:33:19,140 --> 00:33:24,600
zero there exists delta greater than zero ุงูˆ delta
346
00:33:24,600 --> 00:33:25,840
greater than
347
00:33:28,460 --> 00:33:33,760
ุจุงู„ู†ุณุจุฉ ู„ู„ู€ x ู†ุงู‚ุต x0 ู‡ูˆ ุฃูƒุจุฑ ู…ู† 0 ู„ุฃู†ู‡ absolute
348
00:33:33,760 --> 00:33:40,860
ูˆููŠ ู†ูุณ ุงู„ูˆู‚ุช ุฃู‚ู„ ู…ู† ู…ูŠู† ุฏู„ุชุง ุฅู† ุญุฏุซ ุฐู„ูƒ ูŠุฌุจ ุฃู†
349
00:33:40,860 --> 00:33:43,680
ูŠูƒูˆู† ุงู„ูุฑู‚ ู…ุง ุจูŠู† f of x ูˆL
350
00:33:50,540 --> 00:33:55,480
ู‡ุฐุง ุงู„ูƒู„ุงู… ูŠุฌุจ ุฃู† ู†ูู‡ู…ู‡ ู…ู† ุฎู„ุงู„ ุงู„ุฑุณู… ูุจู‚ูˆู„ ูƒู„ ู…ุง
351
00:33:55,480 --> 00:34:01,640
ุงู‚ุชุฑุจุช ุงู„ X ู…ู† X node ูƒู„ ู…ุง ุงู‚ุชุฑุจุช ุงู„ F of X ู…ู†
352
00:34:01,640 --> 00:34:08,010
Delta ุฅุฐุง ู„ู…ุง ู†ูƒูˆู† ู‚ุฑูŠุจูŠู† ุฌุฏุง ุนู„ู‰ X nodeุจุตูŠุฑ ุงู„ f
353
00:34:08,010 --> 00:34:12,330
of x ู‚ุฑูŠุจุฉ ุฌุฏุง ุนู„ู…ูŠุง ุงู„ ูŠุจู‚ู‰ limit ุงู„ f of x ู„ู…ุง
354
00:34:12,330 --> 00:34:19,270
ุงู„ x ุจุชุฑูˆุญ ุงู„ x node ุจุฏูŠ ุณุงูˆู„ ุงู„ ูˆุงุถุญ ุชู…ุงู… ุทูŠุจ
355
00:34:19,270 --> 00:34:22,930
ูŠุจู‚ู‰ ุงุฐุง ุงู†ุช ูู‡ู…ุช ุฎู…ุณูŠู† ููŠ ุงู„ู…ูŠุฉ ู…ุนู†ุงุชู‡ ุงู†ุช very
356
00:34:22,930 --> 00:34:27,150
good ู…ุด very good excellentุทุจ ูˆ ุงู„ุฎู…ุณูŠู† ุงู„ุชุงู†ูŠุฉ
357
00:34:27,150 --> 00:34:30,910
ุจุฏู†ุง ู†ุฌูŠุจู‡ู… ู…ู† ูˆูŠู†ุŸ ุจุฏู†ุง ู†ุฌูŠุจู‡ู… ู…ู† ุงู„ุฃู…ุซู„ุฉ ูˆ ุฃุญู„
358
00:34:30,910 --> 00:34:35,270
ุงู„ู…ุณุงุฆู„ ูŠุจู‚ู‰ ุงู†ุชู‡ู‰ ุงู„ุฌุฒุก ุงู„ู†ุธุฑูŠ ุชุจุน ุงู„ section ู‡ุฐูŠ
359
00:34:35,270 --> 00:34:41,630
ุถุงูŠู„ ุฌุฒุฆูŠุฉ ุจุณูŠุทุฉ ุณู†ุชุนุฑุถ ู„ู‡ุง ุฎู„ุงู„ ู…ุญุงุถุฑุฉ ุงู„ูŠูˆู… ุงู†
360
00:34:41,630 --> 00:34:50,510
ุดุงุก ุงู„ู„ู‡ ูˆูŠู† ู‡ูˆ ุงู„ุฅุซุจุงุชุŸ ุชุจุน ุงู„ remark ู‡ูˆ ุฅุซุจุงุช
361
00:34:50,510 --> 00:34:57,060
ุฎุทูˆุฉ ูˆุงุญุฏุฉ ูˆ ุงู„ุชุงู†ูŠุฉ ูŠุงุฎุฏ limit ุฎู„ุตู†ุงุฃู‡ ู‚ุฏ ูŠูƒูˆู†
362
00:34:57,060 --> 00:35:00,820
ู„ูŠุด ู„ุฃ ู…ุด .. ูƒู„ ุญุงุฌุฉ ุจุฃุซุจุชู‡ุง ู„ูƒ ุจูŠุตูŠุฑ ู…ุทู„ูˆุจุŒ ู…ุง
363
00:35:00,820 --> 00:35:04,720
ุฃุซุจุชุชู‡ุง ุงูŠุด ู„ูƒุŸ ุฎู„ุต ุงู„ู…ุณุงู…ุฉ ุนูŠู†ูƒ ููŠู‡ุงู…ุงุดูŠ ูŠุง ุณูŠุฏูŠุŒ
364
00:35:04,720 --> 00:35:08,080
ู„ูƒู† ู„ุง ูŠุนู†ูŠ ู…ุทู„ูˆุจ ุฃู†ู‡ุง ุจุชุชูŠุฌูŠ ููŠ ุงู„ุงู…ุชุญุงู†ุŒ ุฃู†ุง
365
00:35:08,080 --> 00:35:12,180
ุจุฏูŠูƒ ุชูู‡ู… ุดุบู„ุงุช ุฃูˆ ุชุนุฑู ุดุบู„ุงุช ู…ุงูƒู†ุชุด ุจุชุนุฑูู‡ุง
366
00:35:12,180 --> 00:35:16,600
ุณุงุจู‚ุงุŒ ู‡ูŠ ุงู„ู„ูŠ ุจู‡ู…ู†ุงุŒ ูŠุนู†ูŠ ู‡ุงู„ู…ุฎุชุจุน ูƒุฏู‡ ุจุฏู†ุง ู†ู†ูุถู‡
367
00:35:16,600 --> 00:35:21,920
ูˆ ู†ูˆุงุตู„ูƒ ุดูˆูŠุฉุŒ ุงู†ูƒ ูƒู„ ูŠูˆู… ุจุชุงุฎุฏ ู…ุนู„ูˆู…ุงุช ุฌุฏูŠุฏุฉ ุฑุจู…ุง
368
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
369
00:35:26,660 --> 00:35:31,450
ุงู„ุซุงู†ูˆูŠุฉ ุงู„ุนุงู…ุฉุŒ ุงุญู†ุง ุงู„ูŠูˆู…ู†ุทุจุฎ ู…ุฎูƒูƒ ุนู„ู‰ ู†ุงุฑ ู‡ุงุฏูŠุฉ
370
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
401
00:38:26,780 --> 00:38:33,200
ุฃู‚ู„ ู…ู† Delta implies ู‡ุฐุง ูŠุทู„ุจ ุฃู† ุงู„ู€ absolute value
402
00:38:33,200 --> 00:38:39,940
ู„ู„ู€ F of X ู†ุงู‚ุต ุงู„ู€ L ุฃู‚ู„ ู…ู† ุฅุจุณู„ูˆู† ุงู„ุงู† ุจุฏู†ุง ู†ุจุฏุฃ
403
00:38:39,940 --> 00:38:46,140
ู†ุทุจู‚ ุงู„ุชุนุฑูŠู ุนู…ู„ูŠุง ุจู‚ูˆู„ ู„ู‡ zero ุฃู‚ู„ ู…ู† ุงู„ู€ X ู†ุงู‚ุต
404
00:38:46,140 --> 00:38:49,540
ูŠุจู‚ู‰
405
00:38:49,540 --> 00:38:56,450
ุจุดูŠู„ู‡ุง ูˆ ุจุญุท ู…ูƒุงู†ู‡ุง ุงุชู†ูŠู† ุฃู‚ู„ ู…ู† ุฏู„ุชุฉ ู…ุฌู‡ูˆู„ุฉ ูŠุจู‚ู‰
406
00:38:56,450 --> 00:39:03,770
ุฅุจุณู„ูˆู† ุงู„ู…ูˆุงุทุน ุฏู„ุชุฉ ู…ุฌู‡ูˆู„ุฉ ู‡ุฐุง ูŠุชุทู„ุจ f of x ุงู„ู„ูŠ ู‡ูŠ
407
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‚ู„
408
00:39:11,910 --> 00:39:21,990
ู…ู† ู…ูŠู†ุŸ ุฃู‚ู„ ู…ู† ุงู„ุฅุจุณู„ูˆู† ุจุนุฏ ุฐู„ูƒ ุณูŠุจู„ูŠ ู‡ุฐู‡ ูƒู…ุง ู‡ูŠ
409
00:39:21,990 --> 00:39:26,610
ุจุฑูˆุญ ู†ุดุชุบู„ ููŠ ู…ูŠู†ุŸ ููŠ ุงู„ุงู†ู‚ู„ุฉ ุงู„ู„ูŠ ุนู†ุฏู†ุง ู‡ู†ุง ูุจุงุฌูŠ
410
00:39:26,610 --> 00:39:32,750
ุจู‚ูˆู„ ู„ู‡ ู‡ุฐู‡ ุจุฏู‡ุง ุชุนุทูŠูƒ absolute value ู„ุฎู…ุณุฉ X ู†ุงู‚ุต
411
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
412
00:39:39,290 --> 00:39:46,120
ุชุณุงูˆูŠ absolute value ู„ุฎู…ุณุฉ ููŠ X ู†ุงู‚ุต ุงุชู†ูŠู† ุงู„ู„ูŠ ู‡ูŠ
413
00:39:46,120 --> 00:39:52,140
ุจุฏู‡ุง ุชุณุงูˆูŠ ุฎู…ุณุฉ ููŠ absolute value ู„ู„ู€ X ู†ุงู‚ุต ุงุชู†ูŠู†
414
00:39:52,140 --> 00:39:58,360
ูˆูƒู„ ู‡ุฐุง ุงู„ูƒู„ุงู… ุฃู‚ู„ ู…ู† main ุฃู‚ู„ ู…ู† epsilon ู„ุญุฏ ู‡ู†ุง
415
00:39:58,360 --> 00:40:03,580
ููŠ ู…ุดูƒู„ุฉุŸ ู…ุง ุนู†ุฏูŠุด ู…ุดูƒู„ุฉ ูƒู„ู‡ ู…ุจุงุดุฑุฉ ุทูŠุจ ุจู†ุญุจ ู†ุญูŠุท
416
00:40:03,580 --> 00:40:08,700
ุงู„ูƒู„ุงู… ุฃู† ู‡ุฐุง ุงู„ู…ุซุงู„ ู‡ูˆ ุฃุจุณุท ุฃู†ูˆุงุน ุงู„ุฃู…ุซู„ุฉ ุนู„ู‰
417
00:40:08,700 --> 00:40:12,060
ุงู„ู…ูˆุถูˆุน ู…ุงุดูŠ ุทูŠุจ ุงู„ุงู†
418
00:40:14,780 --> 00:40:19,740
ู…ู…ูƒู† ู†ู‚ุณู… ุงู„ุทุฑููŠู† ุนู„ู‰ ุฎู…ุณุฉ ุฅุฐุง ู„ูˆ ู‚ุณู…ู†ุง ุงู„ุทุฑููŠู†
419
00:40:19,740 --> 00:40:24,100
ุนู„ู‰ ุฎู…ุณุฉ ุฅูŠุด ุจูŠุตูŠุฑ ุนู†ุฏู†ุง absolute value ู„ู„ู€ X ู†ุงู‚ุต
420
00:40:24,100 --> 00:40:30,160
ุงุชู†ูŠู† ุฃู‚ู„ ู…ู† epsilon ุนู„ู‰ ุฎู…ุณุฉ ุจุชุทู„ุน ู„ูŠ ููŠ ุงู„ู†ุชูŠุฌุฉ
421
00:40:30,160 --> 00:40:35,060
ุงู„ุชูŠ ุชูˆุตู„ู†ุง ุฅู„ูŠู‡ุง ู‡ุฐู‡ ูˆ ุจุชุทู„ุน ู„ูŠ ููŠ ุงู„ู†ุชูŠุฌุฉ ุงู„ุทุฑู
422
00:40:35,060 --> 00:40:40,520
ุงู„ุดู…ุงู„ ู…ุด ู‡ูˆ ุงู„ุทุฑู ุงู„ุดู…ุงู„ ุงู„ู„ูŠ ู‡ู†ุง ุงู„ุทุฑู ุงู„ุดู…ุงู„ ู‡ู†ุง
423
00:40:40,520 --> 00:40:45,400
ู…ุดู‡ูˆุฑ ุงู„ุทุฑู ุงู„ุดู…ุงู„ ู‡ู†ุง ูŠุนู†ูŠ ุดุบู„ุชู†ุง ุจุฏู†ุง ู†ุฑูˆุญ ู†ู…ุณูƒ
424
00:40:45,400 --> 00:40:49,600
ุงู„ุทุฑู ู‡ุฐุง ุงู„ู„ูŠ ููŠ ุงู„ูŠู…ูŠู† ูˆ ู†ู‚ุนุฏ ู†ููƒููƒ ููŠู‡ ู„ุบุงูŠุฉ ู…ุง
425
00:40:49,600 --> 00:40:55,100
ูˆุตู„ ู„ุดูƒู„ ู…ูŠู†ุŸ ุดูƒู„ ุงู„ุทุฑู ุงู„ุดู…ุงู„ ุฃูˆู„ ู…ุง ุจุฏุฃุช ู…ุนูƒ
426
00:40:55,100 --> 00:40:59,100
ุงู„ูƒู„ุงู… ุงู„ูŠูˆู… ู‚ู„ุช ู„ูƒ given epsilon greater than
427
00:40:59,100 --> 00:41:03,320
zero there exists delta greater than zero ูŠุจู‚ู‰ ุญุณุจ
428
00:41:03,320 --> 00:41:07,200
epsilon ุงู„ู„ูŠ ุจุชุงุฎุฏู‡ุง ุจูŠุทู„ุน ู…ูŠู†ุŸ ุฏู„ุชุง ูŠุนู†ูŠ ุฏู„ุชุง
429
00:41:07,200 --> 00:41:12,900
ุชุนุชู…ุฏ ุนู„ู‰ ู…ูŠู†ุŸ ุชุนุชู…ุฏ ุนู„ู‰ epsilon ู…ู† ู‡ุฐู‡ ุจู‚ุฏุฑ ุฃู‚ูˆู„ู‡
430
00:41:12,900 --> 00:41:23,020
ุฅุฐุง ุณุง ุฏู„ุชุง ูŠุณุงูˆูŠ epsilon ุนู„ู‰ ุฎู…ุณุฉ ุงู„ุทุฑู ุงู„ูŠู…ูŠู† ู‡ูˆ
431
00:41:23,020 --> 00:41:27,800
ุงู„ุทุฑู ุงู„ูŠู…ูŠู† ู„ุฃู† ู‡ุฐุง ุจุงู„ุถุจุท ุชู…ุงู…ุง ูŠุจู‚ู‰ ุฏู„ุชุง ู…ู…ูƒู†
432
00:41:27,800 --> 00:41:32,480
ู†ุงุฎุฏู‡ุง epsilon ุนู„ู‰ ุฎู…ุณุฉ ูŠุจู‚ู‰ ุทุงู„ุน ุงู„ุฏู„ุชุง ุชุนุชู…ุฏ ุนู„ู‰
433
00:41:32,480 --> 00:41:37,120
ู…ูŠู†ุŸ ุชุนุชู…ุฏ ุนู„ู‰ ู‚ูŠู…ุชู‡ ุจุณ ู‡ูˆ ู„ุฐู„ูƒ ุงู„ุณุจุนูŠู† ุทุงู„ุจ ุงู„ู„ูŠ
434
00:41:37,120 --> 00:41:42,700
ู‚ุงุนุฏูŠู† ู‚ุฏุงู…ูŠ ู„ูˆ ูƒู„ ูˆุงุญุฏ ููŠู‡ู… ุฃุฎุฏ epsilon ุชุฎุชู„ู ุนู†
435
00:41:42,700 --> 00:41:47,100
ุงู„ุชุงู†ูŠุฉ ู‡ูŠุทู„ุน ุนู†ุฏูŠ ุณุจุนูŠู† delta ุจุชุฎุชู„ู ุนู† ุงู„ุชุงู†ูŠุฉ
436
00:41:47,100 --> 00:41:51,380
ูŠุนู†ูŠ ุฅูŠุดุŸ ูŠุนู†ูŠ ู„ู…ุง ุงู„ู€ X ุจุฏู‡ุง ุชุฑูˆุญ ู„ู„ู€ X node ูˆุงุญุฏ
437
00:41:51,380 --> 00:41:55,040
ูŠุฏุฎู„ ุงู„ู…ุณุงูุฉ ุจูŠู†ู‡ ูˆุจูŠู†ู‡ุง ุฃุฑุจุนุฉ ุณู†ุชูŠู…ุชุฑ ูˆุงุญุฏ ูŠุฏุฎู„
438
00:41:55,040 --> 00:41:59,020
ุงู„ู…ุณุงูุฉ ุจูŠู†ู‡ ูˆุจูŠู†ู‡ุง ุชู„ุงุชุฉ ูˆู†ุต ูˆุงุญุฏ ูŠุฏุฎู„ ุงู„ู…ุณุงูุฉ
439
00:41:59,020 --> 00:42:02,780
ุจูŠู†ู‡ ูˆุจูŠู†ู‡ุง ุงุชู†ูŠู† ุณู†ุชูŠู…ุชุฑ ูˆุงุญุฏ ูŠุฎู„ูŠ ู…ุณุงูุฉ ู…ู†ู‡ ุจูŠู†ู‡ุง
440
00:42:02,780 --> 00:42:06,720
ูˆุงุญุฏ ูˆ ุชู„ุช ุฃุฑุจุนุฉ ุณู†ุชูŠ ูˆุงุญุฏ ูŠุฎู„ูŠู‡ุง ุณู†ุชูŠ ูˆุงุญุฏ ูˆุงุญุฏ
441
00:42:06,720 --> 00:42:10,820
ูŠุฎู„ูŠู‡ุง ู†ุต ุณู†ุชูŠ ูˆุงุญุฏ ูŠุฎู„ูŠู‡ุง ูˆุงุญุฏ ู…ู† ุนุดุฑุฉ ุณู†ุชูŠ ูŠุนู†ูŠ
442
00:42:10,820 --> 00:42:15,720
ู…ูŠู„ูŠ ูˆุงุญุฏ ูˆู‡ูƒุฐุง ูŠุนู†ูŠ ู‚ุฏุงุด ุจุชุงุฎุฏ epsilon ู‚ุฏุงุด ุจุชุทู„ุน
443
00:42:15,720 --> 00:42:20,080
ุงู„ู„ูŠ ู‡ูˆ ู‚ุฏุงุด ุจุชุงุฎุฏ epsilon ู‚ุฏุงุด ุจุชุทู„ุน ุนู†ุฏูƒ ู…ูŠู†ุŸ ุฏู„ุชุง
444
00:42:20,080 --> 00:42:26,160
ูˆู‡ูƒุฐุง ุชู…ุงู… ูˆุงุจุนุช ุงู„ุตูˆุฑุฉ ุทูŠุจ ูˆุงู†ุชูˆุง ููŠ ุงู„ุตู ุงู„ุณุงุจุน
445
00:42:26,160 --> 00:42:30,480
ูˆุงู„ุซุงู…ู† ุจุฌูŠุชูˆุง ู„ู…ุง ุชุญู„ูˆุง ู…ุนุงุฏู„ุฉ ูˆ ุชุชุฃูƒุฏ ุญุงู„ูƒ ุตุญ
446
00:42:30,480 --> 00:42:35,460
ูˆู„ุง ุบู„ุท ู…ู…ูƒู† ุชุฑูˆุญูˆุง ุชู‚ูˆู„ูˆุง ุงู„ุชุญู‚ูŠู‚ ู…ุด ู‡ูŠูƒ ูˆู…ู…ูƒู†
447
00:42:35,460 --> 00:42:39,180
ุชุฑูˆุญูˆุง ุชุชุญู‚ู‚ ู‡ู„ ุงู„ุฅุฌุงุจุฉ ุชุจู‚ู‰ ุชุฃูƒุฏ ุตุญ ูˆู„ุง ู„ุง ุงุญู†ุง
448
00:42:39,180 --> 00:42:43,740
ุจุฏู†ุง ู†ุฌุฑูŠ ุชุญู‚ูŠู‚ ุงู„ุงู† ูˆุงุณุน ุงู„ู†ุทุงู‚ ู…ุน ู…ูŠู†ุŸ ู…ุน ุงู„ู†ุชูŠุฌุฉ
449
00:42:43,740 --> 00:42:48,540
ุงู„ู„ูŠ ุชูˆุตู„ู†ุง ู„ู‡ุง ุงุญู†ุง ู„ุญุฏ ู‡ู†ุง ุงู†ุชู‡ูŠู†ุง ู„ูƒู† ุงุญู†ุง ุงู„ุงู†
450
00:42:48,540 --> 00:42:55,050
ุจุฏู†ุง ู†ุนู…ู„ ุชุญู‚ูŠู‚ ู†ุชุฃูƒุฏ ู…ู†ู‡ ู‡ู„ ุงู„ู†ุชูŠุฌุฉ ุงู„ุชูŠ ุชูˆุตู„ู†ุง
451
00:42:55,050 --> 00:43:00,510
ุฅู„ูŠู‡ุง ุตุญูŠุญุฉ ุฃู… ุงู„ู†ุชูŠุฌุฉ ุงู„ุชูŠ ุชูˆุตู„ู†ุง ุฅู„ูŠู‡ุง ุบูŠุฑ
452
00:43:00,510 --> 00:43:08,210
ุตุญูŠุญุฉุŸ ู‡ุฐู‡ ู…ุฌุฑุฏ ุชุฃูƒูŠุฏ ู„ูŠุณ ุฅุฐุง ูŠุจู‚ู‰ ุจุญุท ู„ู‡ ุนู†ูˆุงู†
453
00:43:08,210 --> 00:43:17,340
ุตุบูŠุฑ ูˆ ุจู‚ูˆู„ู‡ showing that delta works ูŠุนู†ูŠ ุจุฏูŠ
454
00:43:17,340 --> 00:43:22,520
ุฃุจูŠู† ู„ู‡ ุฃู† ุฏู„ุชุง ุงู„ู„ูŠ ุญุตู„ู†ุง ุนู„ูŠู‡ุง epsilon ุนู„ู‰ ุฎู…ุณุฉ
455
00:43:22,520 --> 00:43:29,700
ุชุคุฏูŠ ู„ุบุฑุถ ู‚ู„ ู…ุทู„ูˆุจ ุจู‚ูˆู„ู‡ ุชู…ุงู… ุฅุฐุง ุฃู†ุง ุจุงุฌูŠ zero
456
00:43:29,700 --> 00:43:38,700
ุฃู‚ู„ absolute value ู„ู„ู€ X ู†ุงู‚ุต ูƒู… ูƒุงู†ุŸ ู†ุงู‚ุต ุฃู‚ู„ ู…ู†
457
00:43:38,700 --> 00:43:52,230
ุฏู„ุชุง ูƒู… ุฏู„ุชุง ุฃุฎุฐุชู‡ุงุŸ epsilon ุนู„ู‰ ุฎู…ุณุฉ F of X ู‡ูˆ 5X
458
00:43:52,230 --> 00:44:01,590
ู†ุงู‚ุต 4 ู†ุงู‚ุต 6 ูู‡ุฐุง
459
00:44:01,590 --> 00:44:09,460
ุงู„ู…ู‚ุฏุงุฑ ูŠุฌุจ ุฃู† ูŠูƒูˆู† ุฃู‚ู„ ู…ู† Epsilon ุจู‚ูˆู„ ูƒูˆูŠุณ ู‡ุฐุง ุจุฏู‘ู‡
460
00:44:09,460 --> 00:44:17,460
ูŠุณุงูˆูŠ ุฎู…ุณุฉ X ู†ุงู‚ุต ุนุดุฑุฉ ู‡ุฐุง ุจุฏู‘ู‡ ูŠุณุงูˆูŠ ุฎู…ุณุฉ X ู†ุงู‚ุต
461
00:44:17,460 --> 00:44:24,220
ุงุชู†ูŠู† ู‡ุฐุง ุจุฏู‘ู‡ ูŠุณุงูˆูŠ ุฎู…ุณุฉ absolute value ู„ู€ X ู†ุงู‚ุต
462
00:44:24,220 --> 00:44:33,910
ุงุชู†ูŠู† ู‡ุฐู‡ ุฃู‚ู„ ู…ู† ุฅุจุณู„ูˆู† ุนู„ู‰ ุฎู…ุณุฉ ุฅุฐุง ู‡ุฐุง ุฃู‚ู„ ู…ู† ู‡ุฐู‡
463
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
464
00:44:40,310 --> 00:44:45,940
ู‚ุฏุงุด ุชุณุงูˆูŠุŸ ุฅุจุณู„ูˆู† ูŠุจู‚ู‰ ูุนู„ุง ุงู„ูุฑู‚ ู…ุง ุจูŠู† ุงู„ุงุชู†ูŠู†
465
00:44:45,940 --> 00:44:53,920
ู‡ุฏูˆู„ ุณูˆุงุก ุงู„ุฎู…ุณุฉ x ู†ุงู‚ุต ุงู„ุฃุฑุจุนุฉ ู†ุงู‚ุต ุงู„ุณุชุฉ ุฃู‚ู„ ู…ู†
466
00:44:53,920 --> 00:44:58,680
ู…ูŠู†ุŸ ู…ู† ุฅุจุณู„ูˆู† ูŠุนู†ูŠ ู„ู…ุง ู†ุงุฎุฏ delta ุจุฅุจุณู„ูˆู† ุนู„ู‰ ุฎู…ุณุฉ
467
00:44:58,680 --> 00:45:02,460
ุงู„ู†ุชูŠุฌุฉ ูุนู„ุง ุจุตูŠุฑ ุงู„ูุฑู‚ ุจูŠู† ุงู„ู€ f of x ูˆุฅูŠู‡ ู…ุงู„ู‡ุงุŸ
468
00:45:02,460 --> 00:45:07,530
ุฃู‚ู„ ู…ู† ุฅุจุณู„ูˆู† ูŠุจู‚ู‰ ู‡ูŠ ุชุญู‚ู‚ู†ุง ู…ู† ุงู† ุงู„ูƒู„ุงู… ุงู„ู„ูŠ
469
00:45:07,530 --> 00:45:15,770
ุนู…ู„ู†ุงู‡ ุตุญูŠุญ ูŠุจู‚ู‰ ุจู‚ูˆู„ู‡ ุชุฃูƒุฏู†ุง thus limit ู„ุฎู…ุณุฉ X
470
00:45:15,770 --> 00:45:21,470
ู†ุงู‚ุต ุฃุฑุจุนุฉ ู„ู…ุง ุงู„ู€ X ุจุฏู‡ุง ุชุฑูˆุญ ู„ุงุชู†ูŠู† ุจุฏู‡ุง ุชุณุงูˆูŠ ุณุชุฉ
471
00:45:21,470 --> 00:45:27,490
ุจุฏูŠ ุฃุณุฃู„ูƒู… ุงู„ุณุคุงู„ ุงู„ุชุงู„ูŠ ู‡ู„ ุงุญู†ุง ุจุดุบู„ ู‡ุฐุง ุญุณุจู†ุง
472
00:45:27,490 --> 00:45:32,310
limit ู„ุฏู‰ ุงู„ู„ู‡ุŸ ู„ุฃ ุงุญู†ุง ุจุณ ุชุฃูƒุฏู†ุง ุงู† ุงู„ู€ limit ุตุญูŠุญ
473
00:45:32,310 --> 00:45:35,810
ุงู„ู„ูŠ ู„ูŠุณ ุงู„ุงุŒ ุฅุฐุง ููŠ ู‡ุฐุง ุงู„ู€ section ูƒุชุจุช ู„ูƒู… ุฃูˆู„
474
00:45:35,810 --> 00:45:39,770
ุณุทุฑูŠู† ุงุญู†ุง ู‡ู†ุง ุจู†ุญุณุจุด limit ููŠ ู‡ุฐุง ุงู„ู€ section ุจู„
475
00:45:39,770 --> 00:45:44,290
ุจู†ุชุฃูƒุฏ ู‡ู„ ุงู„ู€ limit ุงู„ู„ูŠ ุนู…ู„ู†ุงู‡ุง ุงูˆ ุงู„ู…ุนุทุงู‡ุง ู‡ู„ ู‡ูŠ
476
00:45:44,290 --> 00:45:46,250
ุตุญูŠุญุฉ ุฃูˆ ู„ุงุŒ ุฅูŠุด ุจุฏูƒ ุชุณุฃู„ุŸ
477
00:45:50,070 --> 00:45:55,390
ุฃู†ุช ู„ุณู‡ ููŠ ุฃูˆู„ ุงู„ุทุฑูŠู‚ ูŠุง ุฑุงุฌู„ ุงุตุจุฑ ุงุตุจุฑ ุดูˆูŠุฉ ูƒู„ ู…ุง
478
00:45:55,390 --> 00:46:00,470
ุฃู†ุช ุชุฌู„ูƒ ุดูˆูŠุฉ ุตุจุฑูƒ ุจุงู„ู„ู‡ ุดูˆูŠุฉ ุงุญู†ุง ุจู†ู‚ูˆู„ูƒ ูŠุงู‡ ุจุฏูŠ
479
00:46:00,470 --> 00:46:04,690
ูŠุนุทูŠูƒ ุณูุฑู‡ ุจุฏูŠ ูŠุนุทูŠูƒ ู†ู‡ุงูŠุฉ ุณูˆุงุก ู‚ูŠู…ุฉ ู…ุญุฏุฏุฉ ู‡ูŠ ุงู„ุตูุฑ
480
00:46:04,690 --> 00:46:06,210
ุนู„ู‰ ุตูุฑ ู‚ูŠู…ุฉ ู…ุญุฏุฏุฉ
481
00:46:08,980 --> 00:46:13,120
ู‡ุฐุง ุฅุฐุง ุงุณุชุฎุฏู…ุช ุทุฑู‚ ู…ุฎุชู„ูุฉุŒ ุตุญูŠุญ ุงู„ุญุณุงุจุŒ ุจุนุฏูŠู†
482
00:46:13,120 --> 00:46:16,820
ุงู†ุทู„ู‚ Zero ุน ZeroุŒ ู„ูƒู† ู…ู† ุงู„ุจุฏุงูŠุฉ ุจูŠู‚ูˆู„ูƒ limit
483
00:46:16,820 --> 00:46:22,480
ูƒุฐุงุŒ ุจูŠู‚ูˆู„ูƒ ุณูˆุงุก ูƒุฐุงุŒ ู…ุงูŠู‚ูˆู„ุด ู…ุด ุตุญูŠุญุŒ ู„ุฃุŒ ุชุฌุจ ุตุญูŠุญ
484
00:46:22,480 --> 00:46:26,620
ูƒุฐุงุŒ ู…ุด ุตุญูŠุญุŒ
485
00:46:26,620 --> 00:46:29,900
ูŠุฑุงุฏ ุงู„ู„ูŠ ุจูŠุนุทูŠูƒ ุฏู‡ุŒ ุงู„ู„ูŠ ุจูŠู‚ูˆู„ูƒ ุจูŠู„ุŒ ุฃู† limit
486
00:46:29,900 --> 00:46:34,560
ู„ู‡ุฐู‡ุŒ ุฏู‡ ู„ุง ูŠุณุงูˆูŠ ูƒุฐุงุŒ ุชู…ุงู…ุŸ ูƒุงู†ุช ุตูุฑ ุนู„ู‰ ุตูุฑ ูƒุงู†ุชุŒ
487
00:46:34,560 --> 00:46:39,400
ู…ุด ุนุงุฑู ุฅูŠู‡ุŒ ุจุฏูƒ ุชุซุจุช ู‡ุงู„ ุฃู†ุชุŒ ุชู…ุงู…ุŸ ุทูŠุจ ู†ุนุทูŠูƒ ู…ุซุงู„
488
00:46:39,400 --> 00:46:44,200
ุขุฎุฑ ุฃุชู‚ู„ ุดูˆูŠุฉุŒ ุจุฏูŠ ุฃุนุชุจุฑ ุฃู†ู‡ ุญุชู‰ ู„ุฃู† ู…ู† ู‡ุฐู‡
489
00:46:44,200 --> 00:46:48,180
ุงู„ู…ุซุงู„ุฉ ู…ุง ูู‡ู…ุชุด ูˆู„ุง ูƒู„ู…ุฉุŒ ูƒูˆูŠุณุŸ ูˆ ุจุฏูŠ ุฃุชู‚ู„ูƒ ุดูˆูŠุฉ ูˆ
490
00:46:48,180 --> 00:46:52,900
ุดูˆูŠุฉุŒ ุชูู‡ู… ูˆู„ุง ู„ุงุŸ ู‚ูˆู„ ู…ู†
491
00:46:52,900 --> 00:46:58,900
ูˆูŠู† ุฌุจุชู‡ุงุŸ ู„ูŠู‡ ูˆุฅูŠู‡ุŸ ุดุงูŠู ู‡ุฐู‡ ูˆู„ุง ู„ุงุŸ ูˆ ุฃุนุทูŠูƒ
492
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
493
00:47:04,460 --> 00:47:15,060
ุงู„ู…ุทู„ูˆุจุŒ ู‡ุฐุง ู‡ูˆ ุงู„ุณุคุงู„ ูƒู„ุฃ ู…ุง ู‚ู„ุช ุฃู‚ู„ ู…ู†ู‡ุงุŒ ู‡ุฐู‡ ุฃู‚ู„ุŒ
494
00:47:15,060 --> 00:47:20,640
ูŠุจู‚ู‰ ู‡ุฐู‡ ุฃู‚ู„ุŒ ุชู…ุงู…ุŸ ุตุงุฑ ุงู„ุทุฑู ุงู„ุดู…ุงู„ ู‡ูˆ ุงู„ุทุฑู
495
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
496
00:47:29,110 --> 00:47:34,530
ุฎุทูˆุงุช ุชุนู…ู„ู‡ุง ู„ุชุชุฃูƒุฏ
497
00:47:34,530 --> 00:47:36,750
ุฃู† ูƒู„ุงู…ูƒ ุตุญูŠุญ
498
00:47:54,920 --> 00:48:09,760
Use Epsilon Delta Definition To Show That Limit
499
00:48:09,760 --> 00:48:13,120
ู„ู…ุง
500
00:48:13,120 --> 00:48:20,880
ุงู„ู€ X ุจุฏู‡ุง ุชุฑูˆุญ ู„ู„ุณุจุนุฉ ู„ู„ุฌุฐุฑ ุงู„ุชุฑุจูŠุนูŠ ู„ู„ู€ X ู†ุงู‚ุต
501
00:48:20,880 --> 00:48:22,540
ุชู„ุงุชุฉ ูŠุณุงูˆูŠ ุงุชู†ูŠู†
502
00:48:53,150 --> 00:48:56,910
ุฎู„ูŠ ุจุงู„ูƒ ูƒุฏุง ุงู„ุณุคุงู„ ุงู„ู„ูŠ ูˆุงุฌู‡ุชูƒ ุงู„ู„ูŠ ู…ุถุญูƒ ุนู†ู‡
503
00:48:56,910 --> 00:49:00,990
ู…ู…ูƒู† ูŠูƒูˆู† ุจู‡ุฐู‡ ุงู„ุตูŠุบุฉ use epsilon delta definition
504
00:49:00,990 --> 00:49:04,490
to show data ูˆูŠุนุทูŠูƒ ู…ุซู„ ุฅูŠุด ู…ุง ูŠูƒูˆู† ุดูƒู„ู‡ุง ูŠูƒูˆู†
505
00:49:04,490 --> 00:49:10,150
ุจู‡ุฐู‡ ุงู„ู…ู†ุดุทูŠุจ ุจุฏู†ุง ู†ุจุฏุฃ ุจู†ูุณ ู…ุจุงุฏุฆู†ุง ููŠ ุงู„ู…ุซุงู„ ุงู„ุณุงุจู‚
506
00:49:10,150 --> 00:49:16,550
ูŠุจู‚ู‰ ุจุงู„ุฏุฑุฌุฉ ุฃู‚ูˆู„ู‡ given epsilon greater than zero
507
00:49:16,550 --> 00:49:22,430
there exists delta greater than zero such that
508
00:49:22,430 --> 00:49:31,870
ุจุญูŠุซ ุฃู† f0 ุฃู‚ู„ ู…ู† ุงู„ู€ X ู†ู‚ุต ุงู„ู€ X node ุฃู‚ู„ ู…ู† ุฏู„ุชุง
509
00:49:31,870 --> 00:49:39,340
implies ุฃู† ุงู„ู€ F of X ู†ู‚ุต ุงู„ู€ L ุฃู‚ู„ ู…ู† ู…ูŠู†ุŸ ู…ู† ุฅุจุณู„ูˆู†
510
00:49:39,340 --> 00:49:46,600
ุทุจ ู†ุฌูŠ ู†ุนูˆุถ ู‡ู†ุง ูŠุจู‚ู‰ Zero ุฃู‚ู„ ู…ู† ุงู„ู€ X ู†ู‚ุต ุงู„ู€ X
511
00:49:46,600 --> 00:49:53,590
node ุงู„ู€ X node ุนู†ุฏูŠ ู‡ู†ุง ูƒุฏู‡ุŸ ุณุจุนุฉ ุชู…ุงู…ุง ุฃู‚ู„ ู…ู† ุฏู„ุชุง
512
00:49:53,590 --> 00:49:57,930
ู…ุด ุนุงุฑูู‡ุง ุจุฏูŠ ุงูŠุงู‡ุง ู‡ุฐุง ุจุฏู‘ู‡ ูŠุชุทู„ุจ absolute value
513
00:49:57,930 --> 00:50:02,570
ู„ู„ู€ F of X ุงู„ู„ูŠ ู‡ูˆ ุงู„ุฌุฐุฑ ุงู„ุชุฑุจูŠุนูŠ ู„ู„ู€ X ู†ุงู‚ุต ุซู„ุงุซุฉ
514
00:50:02,570 --> 00:50:10,230
ู†ุงู‚ุต ุงู„ู€ L ุงุชู†ูŠู† ุฃู‚ู„ ู…ู† ู…ูŠู†ุŸ ุฃู‚ู„ ู…ู† ุฅุจุณู„ูˆู† ู‡ุฐุง
515
00:50:10,230 --> 00:50:12,910
ุงู„ุณุคุงู„ ู„ูŠุณ ู…ุซู„ ุงู„ุณุคุงู„ ุงู„ุณุงุจู‚ ุฎุฏ ุนู…ู„ ู…ุดุงุฑูƒุฉ ุฑูˆุญ
516
00:50:12,910 --> 00:50:18,890
ูŠุทู„ุน ู…ุนุงูƒ ุฏุบุฑูŠ ูŠุจู‚ู‰ ุจุฏู‘ู‡ ุงุฑูˆุญ ุฃููƒุฑ ุฃู†ุง ุจุฏู‘ู‡ ู‡ู†ุง ุงุฎู„ู‚
517
00:50:18,890 --> 00:50:24,630
ููŠ ู‡ุฐุง ุงู„ุทุฑู ู„ู…ุงูŠู† ุงู„ู€ X ู†ุงู‚ุต ุณุจุนุฉ ุจุฏู‘ู‡ ู‡ู†ุง ูŠูƒูˆู† X
518
00:50:24,630 --> 00:50:29,270
ู†ุงู‚ุต ุณุจุนุฉ ูŠุจู‚ู‰ ุฃูˆู„ ู…ุง ุจูŠุฌูŠ ููŠ ู„ู…ุงูŠู† ุงุถุฑุจ ููŠ
519
00:50:29,270 --> 00:50:34,170
ุงู„ู…ุฑุงูู‚ ุชู…ุงู… ูŠุจู‚ู‰ ุจุงุฌูŠ ุจู‚ูˆู„ู‡ ู‡ุฐุง ุจุฏู‘ู‡ ูŠุนุทูŠู†ุง
520
00:50:34,170 --> 00:50:35,350
absolute value
521
00:50:52,330 --> 00:51:00,030
ู…ุง ู„ู‡ ู‡ุฐุงุŸ ู‡ุฐุง ุฃู‚ู„ ู…ู† ุฅุจุณู„ูˆู† ุฅุฐุง ุฅูŠุด ุงู„ู„ูŠ ุตุงุฑ ุนู†ุฏู†ุงุŸ
522
00:51:08,490 --> 00:51:15,330
ุฃู‚ู„ ู…ู† X ู†ู‚ุต ุณุจุนุฉ ุฃู‚ู„ ู…ู† Delta implies
523
00:51:23,400 --> 00:51:28,220
ูุฑู‚ ุจูŠู† ุงู„ู…ุฑุจุนูŠู† ุฅุฐุง ุจุงู„ุฏุฑุฌุฉ ู„ุฃุงุตู„ู‡ ู…ุฑุจุน ุงู„ุฃูˆู„ู‰
524
00:51:28,220 --> 00:51:33,980
ู†ุงู‚ุต ู…ุฑุจุน ุงู„ุซุงู†ูŠุฉ ุฅุฐุง ุงู„ู…ุฑุจุน ุงู„ุฃูˆู„ู‰ ู‡ูˆ ุนุจุงุฑุฉ ุนู† X
525
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…
526
00:51:40,000 --> 00:51:46,460
ุนู„ู‰ ุงู„ู…ู‚ุงู… ุงู„ู„ูŠ ู‡ูˆ absolute value ู„ู„ุฌุฐุฑ ุงู„ุชุฑุจูŠุนูŠ ู„
527
00:51:46,460 --> 00:51:53,240
X ู†ุงู‚ุต ุชู„ุงุชุฉ ุฒุงุฆุฏ ุงุชู†ูŠู† ุฃู‚ู„ ู…ู† ู…ูŠู†ุŸ ุฃู‚ู„ ู…ู† ุฅุจุณู„ูˆู†
528
00:51:53,380 --> 00:51:59,740
ุฅุฐุง ู…ุดูƒู„ุชูŠ anyway ู…ุง ููŠุด ุงู„ู„ูŠ ููˆู‚ ุณุฃู„ุฉ ู‡ุงุฏูŠ ุงู„ู„ูŠ
529
00:51:59,740 --> 00:52:05,640
ุนุจุงุฑุฉ ุนู† ู…ูŠู†ุŸ absolute value ู„ู„ู€ X ู†ุงู‚ุต ุณุจุนุฉ ููŠ ู…ูŠู†
530
00:52:05,640 --> 00:52:13,200
ููŠ ูˆุงุญุฏ ุนู„ู‰ ุงู„ู€ absolute value ุงู„ู€ X ู„ุงู‚ุต 3 ุฒุงุฆุฏ 2
531
00:52:13,200 --> 00:52:19,780
ุฃู‚ู„ ู…ู† ุงู„ู€ Y ูŠุจู‚ู‰ ุฃู†ุง ู„ูˆ ุชุฎู„ุตุช ู…ู† ู‡ุฐุง ุงู„ู…ู‚ุฏุงุฑ
532
00:52:19,780 --> 00:52:26,650
ุจุชุจู‚ู‰ ู‚ุตุชูŠ ู…ุญู„ูˆู„ุฉ ุฃูˆ ู„ูˆ ุงุณุชุจุฏู„ุช ู‡ุฐุง ุงู„ู…ู‚ุฏุงุฑ ุจุฑู‚ู… ุทุจ
533
00:52:26,650 --> 00:52:30,590
ุฎู„ุตุช ู…ุธุจูˆุทุŸ ุฅุฐุง ู‡ุฐุง ุงู„ุณุคุงู„ ู…ุด ุฒูŠ ุงู„ุณุคุงู„ ุงู„ู„ูŠ
534
00:52:30,590 --> 00:52:34,810
ู‚ุจู„ู‡ ุงุถุทุฑูŠุช ู„ู„ุถุฑุจ ููŠ ุงู„ู…ุฑุงูู‚ ูˆุงู„ุถุฑุจ ู…ู† ุงู„ู…ุฑุงูู‚
535
00:52:34,810 --> 00:52:39,050
ุทู„ุน ู„ูŠ term ุฌุฏูŠุฏ ุจุฏูŠ ุฃุญุงูˆู„ ุฃุชุฎู„ุต ู…ู† ุงู„ู€ term
536
00:52:39,050 --> 00:52:43,910
ุงู„ุฌุฏูŠุฏ ุดูˆููˆุง ูƒูŠู ุจุฏูŠ ุฃุชุฎู„ุต ู…ู† ุงู„ู€ term ุงู„ุฌุฏูŠุฏ ุจุฑู‚ู…ุŒ
537
00:52:43,910 --> 00:52:48,350
ุจู‚ู‰ ุฏูŠ ุจู‚ูˆู„ู‡ ูƒูˆูŠุณ ู‡ูŠ ุงู„ู…ุณุฃู„ุฉ ุจุฏูŠ ุฃุชุนุฑู ุนู„ู‰
538
00:52:48,350 --> 00:52:53,780
domain ุฏู‡ ุงู„ู„ูŠ ู‡ุฏูŠ ู…ู† ูˆูŠู† ู„ู‡ ูˆูŠู† ูŠุจู‚ู‰ ุจุงุฌูŠ ุจู‚ูˆู„ู‡ ุฃู†
539
00:52:53,780 --> 00:52:59,840
ุฃู†ุง ุจุฏูŠ ุฃุฌูŠุจ ู„ู‡ domain ุฏุงู„ุฉ F ูƒู„ ุงู„ุนู†ุงุตุฑ X ุจุญูŠุซ ุฃู†
540
00:53:00,350 --> 00:53:05,570
ุงู„ู€ X ู†ุงู‚ุต ุชู„ุงุชุฉ ุจุฏูŠู‡ุง ุฃูƒุจุฑ ู…ู† ุฃูˆ ุชุณุงูˆูŠ ุฒูŠุฑูˆ ุญุชู‰
541
00:53:05,570 --> 00:53:11,190
ูŠูƒูˆู† ุงู„ุฌุฐุฑ ู‡ุฐุง ู…ุนุฑู ุตุญูŠุญ ูˆู„ุง ู„ุฃ ูŠุนู†ูŠ ู‡ุฐุง ูƒู„
542
00:53:11,190 --> 00:53:15,870
ุงู„ุนู†ุงุตุฑ X ุจุญูŠุซ ุฃู† ุงู„ู€ X greater than or equal ู…ู†
543
00:53:15,870 --> 00:53:21,850
ุชู„ุงุชุฉ ูŠุนู†ูŠ ุงู„ูุชุฑุฉ ู…ู† ุนู†ุฏ ุงู„ุชู„ุงุชุฉ ู„ุบุงูŠุฉ ุงู„ู€ infinity
544
00:53:21,850 --> 00:53:28,330
ุฃู…ุชุงุฒ ุฌุฏุง ุทุจ ูุงุชุญ ู„ูŠ ุนูŠู†ูƒ ูƒูˆูŠุณ ุฃู†ุง ุนู†ุฏู‡ุง ู‡ุฐุง ุงู„ู€
545
00:53:28,330 --> 00:53:32,420
real line ูˆ ุงู„ู€ domain ุชุจุน ุงู„ุฏุงู„ุฉ ุจูŠุจุฏุฃ ู…ู† ุนู†ุฏ
546
00:53:32,420 --> 00:53:37,800
ุงู„ุชู„ุงุชุฉ ูˆูŠุฌูŠ ุฑุงูŠุญ ุนู„ู‰ ู…ุง ู„ุง ู†ู‡ุงูŠุฉ ู‚ุจู„ ุงู„ุชู„ุงุชุฉ
547
00:53:37,800 --> 00:53:43,620
ู…ุง ุนู†ุฏูŠุด function ุฃู†ุง ุนู†ุฏ ุงู„ู€ X ุจุชุฑูˆุญ ู„ูˆูŠู†ุŸ ู„ู€ 7 ุฅุฐุง
548
00:53:43,620 --> 00:53:48,520
ู„ูˆ ุฌูŠุช ุนู„ู‰ ุงู„ุฑุณู… ู‡ู†ุง ูˆู‚ู„ุช ู‡ุฐู‡ ุงู„ู†ู‚ุทุฉ ุงู„ู„ูŠ ู‡ูŠ
549
00:53:48,520 --> 00:53:54,020
ุงู„ุณุจุนุฉ ุงู„ุณุคุงู„ ู‡ูˆ ู‚ุฏุงุด ุฃู‚ุตู‰ ู‚ูŠู…ุฉ ู„ู€ Delta
550
00:53:58,780 --> 00:54:03,720
ุฃุฑุจุนุฉ ุตุญูŠุญ ูˆู„ุง ู„ุฃุŸ ู„ุฃ ุจุฏูŠ ุฃู‚ูˆู„ ู‚ุจู„ ุงู„ุชู„ุงุชุฉ ู‡ุฐูŠ
551
00:54:03,720 --> 00:54:08,760
ู…ู…ู†ูˆุน ู…ู…ู†ูˆุน ุฃุชุญุฑูƒ ูˆุฃู†ุง ุงู„ู€ X ุจุชุฑูˆุญ ุนู„ู‰ ุณุจุนุฉ ูŠุนู†ูŠ
552
00:54:08,760 --> 00:54:13,780
ู…ู…ูƒู† ุฃุฑูˆุญ ู…ู† ุงู„ูŠู…ูŠู† ูˆู…ู…ูƒู† ุฃุฑูˆุญ ู„ู„ุดู…ุงู„ ูŠุจู‚ู‰ ุฃู‚ุตู‰
553
00:54:13,780 --> 00:54:19,000
ู‚ูŠู…ุฉ ู…ู…ูƒู† ุชูƒูˆู† ู‚ุฏุงุดุŸ X ุจุฏู‡ุง ุชุฑูˆุญ ู„ุณุจุนุฉ ู…ู…ูƒู† Delta
554
00:54:19,000 --> 00:54:23,090
ุชูƒูˆู† ุฃุฑุจุนุฉ ุญูˆุงู„ูŠู† ู…ูŠู†ุŸ ู‡ูˆ ู…ู…ูƒู† ู†ุงุฎุฏ ุฃุฑุจุนุฉ ู„ู„ูŠู…ูŠู† ูˆ
555
00:54:23,090 --> 00:54:26,930
ุฃุฑุจุนุฉ ู„ู„ุดู…ุงู„
556
00:54:26,930 --> 00:54:39,150
ูŠุจู‚ู‰ ู‡ู†ุง sense ุจู…ุง ุฃู† ุงู„ู€ X ุจุฏู‡ุง ุชุฑูˆุญ ู„ู„ุณุจุนุฉ
557
00:54:41,710 --> 00:54:47,350
ุจุฏูŠ ูŠุตูŠุฑ ุนู†ุฏู†ุง ู…ูŠู†ุŸ ุฃู† ุฏู„ุชุง ุชุณุงูˆูŠ ุณุจุนุฉ ู†ุงู‚ุต ุซู„ุงุซุฉ
558
00:54:47,350 --> 00:54:51,850
ูŠุณุงูˆูŠ ู‚ุฏุงุดุŸ ุฃุฑุจุนุฉ ุทูŠุจ ุดูˆู ู„ูƒ ู‡ุฐู‡ ุงู„ู…ุนู„ูˆู…ุฉ ุฅูŠุด
559
00:54:51,850 --> 00:54:56,570
ุงู„ูุงูŠุฏุฉ ู…ู†ู‡ุงุŸ ุฅูŠุด ุงู„ูุงุฆุฏุฉ ู…ู† ุฏู„ุชุง ุจุฏู‡ุง ุชุฑูˆุญ ู„ุฃุฑุจุนุฉ
560
00:54:56,570 --> 00:55:02,870
ูŠุจู‚ู‰ ุฃู†ุง ุนู†ุฏ ู…ูŠู†ุŸ ุนู†ุฏ ุงู„ู€ X ู†ุงู‚ุต ุณุจุนุฉ ุฃู‚ู„ ู…ู† ุฏู„ุชุง
561
00:55:02,870 --> 00:55:09,390
ุฅุฐุง ุจุฏูŠ ูŠุตูŠุฑ ุนู†ุฏ ุงู„ู€ X ู†ุงู‚ุต ุงู„ุณุจุนุฉ ุฃู‚ู„ ู…ู† ู…ูŠู†ุŸ ุฃู‚ู„
562
00:55:09,390 --> 00:55:16,600
ู…ู† ุฃุฑุจุนุฉ ุฃูˆ ุจู…ุนู†ู‰ ุขุฎุฑ ู‡ุฐุง ู…ุนู†ุงู‡ ุฃู† ุงู„ู€ X ู†ุงู‚ุต ุงู„ุณุจุนุฉ
563
00:55:16,600 --> 00:55:22,480
ุฃู‚ู„ ู…ู† ุฃุฑุจุนุฉ ูˆุฃูƒุจุฑ ู…ู† ู…ูŠู†ุŸ ู…ู† ุณุงู„ุจ ุฃุฑุจุนุฉ ุฃุถู ู„ูŠ
564
00:55:22,480 --> 00:55:27,700
ุงู„ุณุจุนุฉ ู„ู„ุซู„ุงุซุฉ ุฃุทุฑุงู ูŠุจู‚ู‰ ู„ูˆ ุฃุถูู†ุง ุงู„ุณุจุนุฉ ู„ู„ุซู„ุงุซุฉ
565
00:55:27,700 --> 00:55:35,480
ุฃุทุฑุงู ุจูŠุตูŠุฑ ู‡ู†ุง ู‚ุฏุงุดุŸ ุชู„ุงุชุฉ ุฃู‚ู„ ู…ู† X ุฃู‚ู„ ู…ู† ุณุจุนุฉ ูˆ
566
00:55:35,480 --> 00:55:42,660
ุฃุฑุจุนุฉ ู‚ุฏุงุดุŸ ุฃุญุฏุงุด ุทูŠุจ X ุฅุฐุง ุณุชุชุญุฑูƒ ู…ู† ูˆู„ุง ูˆูŠู†ุŸ
567
00:55:42,660 --> 00:55:47,880
ู…ู† ุชู„ุงุชุฉ ู„ุฃุญุฏุงุด ู„ูƒู† ุงุญู†ุง ุจุฏู†ุง ู…ูŠู†ุŸ ุจุฏู†ุง X ู†ุงู‚ุต
568
00:55:47,880 --> 00:55:53,720
ุชู„ุงุชุฉ ุฅุฐุง ู…ู† ู‡ู†ุง ุจุฏู‡ุง ุชุฎู„ู‚ X ู†ุงู‚ุต ุชู„ุงุชุฉ ูŠุจู‚ู‰ ู‡ุฐุง
569
00:55:53,720 --> 00:56:01,720
ุจุฏู‘ู‡ ูŠุนุทูŠู„ูƒ ุฅู† Zero ุฃู‚ู„ ู…ู† X ู†ุงู‚
601
00:58:54,380 --> 00:58:59,200
ุชูƒูˆู† ุฃูƒุซุฑ ู…ู† ุงู„ู…ุณุงูุฉ ู‡ุฐู‡ ูŠุจู‚ู‰ ุจุฏูŠ ุฃุฎุฏ Delta ุจุฃุฑุจุนุฉ
602
00:58:59,200 --> 00:59:04,080
ู„ู…ุง ุฃุฎุฏ Delta ุจุฃุฑุจุนุฉ ุจุตูŠุฑ ู‡ุฐู‡ ุฃู‚ู„ ู…ู† Delta ุฃู‚ู„ ู…ู†
603
00:59:04,080 --> 00:59:08,380
ุฃุฑุจุนุฉ ู‡ุฐู‡ ููŠุฏูŠูˆ ุชุญู„ุช ุทุงู„ ุงู„ X ู…ุง ุจูŠู† ุชู„ุงุชุฉ ูˆ
604
00:59:08,380 --> 00:59:12,900
ุฃุญุฏ ุนุดุฑ ุทุจ ุงู†ุง ุจุฏูŠ ู…ู†ุŸ ุจุฏูŠ x ู†ุงู‚ุต ุชู„ุงุชุฉ ุจุทุฑุญ ู…ู†
605
00:59:12,900 --> 00:59:18,140
ุงู„ุทุฑููŠู† ุชู„ุงุชุฉ ู‡ูŠุชุฑุญ ู„ู…ู†ู‡ุง ุชู„ุงุชุฉ ุชู…ุงู…ุŸ ุจุฏูŠ ุฌุฐุฑ ุจุฃุฎุฏ
606
00:59:18,140 --> 00:59:23,820
ุงู„ุฌุฐุฑ ู„ู„ุทุฑููŠู† ุจุฏูŠ ู„ู„ุฌุฐุฑ ูŠูƒูˆู† ู…ุถุงู ู„ุงุชู†ูŠู† ุฑูˆุญู†ุง
607
00:59:23,820 --> 00:59:28,220
ุฃุถูู†ุง ุงุชู†ูŠู† ู„ู„ูƒู„ ุจุฏูŠ ุดูŠุก ุฃูƒู„ ููŠ ุงู„ bus ุจุฏูŠ ุฃูƒู„ ููŠ
608
00:59:28,220 --> 00:59:32,300
ุงู„ู…ู‚ุงู… ู‚ู„ุจ ุณุงุนุฉ
609
00:59:32,300 --> 00:59:40,330
ุจู‡ุฐู‡ุŸ ูƒู„ุงู… ุจุณูŠุทุŒ ู‡ุฐุง trivial ุจุณูŠุท ูˆ ุบู„ุทุŒ ุฃูŠูˆุฉ ูƒูŠูุŸ
610
00:59:40,330 --> 00:59:44,710
ูŠุง ุฑุงุฌู„ ู…ุง ุฃู†ุช ุดุงูŠู ู‡ู„ ุงู„ุฏุงู„ุฉ ู…ุนุฑูุฉ ู‚ุจู„ ุงู„ุชู„ุงุชุฉุŸ
611
00:59:44,710 --> 00:59:48,030
ูŠุนู†ูŠ ุงู„ domain ู…ู† ุชู„ุงุชุฉ ูˆ ุทู„ุนุฉ ูˆ ุงู„ limit ู…ุญุณูˆุจ
612
00:59:48,030 --> 00:59:54,970
ุฃูˆูŠู†ุŸ ูŠุนู†ูŠ X0 ู‡ุฐู‡ ุงู„ู„ูŠ ู‡ูŠ ุนุจุงุฑุฉ ุนู† the main X0 ูŠุจู‚ู‰
613
00:59:54,970 --> 01:00:00,230
ุญูˆุงู„ูŠู† X0ุŒ ุฅุฐุง ุจุชู‚ุฏุฑ ุฃุฒูŠุฏ ุนู† ุงู„ุชู„ุงุชุฉ ูŠุจู‚ู‰ ุฃู‚ุตู‰
614
01:00:00,230 --> 01:00:04,740
ู‚ูŠู…ุฉ ู„ู€ Delta ุจู‚ุฏุฑ ุฃุฎุฏู‡ุง ุงู„ู„ูŠ ู…ู† ุชู„ุงุชุฉ ู„ุณุจุนุฉ ู…ุตุจูˆุท
615
01:00:04,740 --> 01:00:09,020
ูˆู„ุง ู„ุงุŸ ุฃู†ุง ู‚ู„ุช ุซู„ุงุซุฉ ุณุจุนุฉ ุซุงู†ูŠุฉ ุฃุฑุจุนุฉ ุซู… ุญุทูŠู†ุงู‡ุง
616
01:00:09,020 --> 01:00:13,560
ุฃุฑุจุนุฉ ูˆุทู„ุนุช X ู…ู† ูˆ ู„ุง ูˆ ู„ุง ุฃุถูุช ู„ู‡ุง ุณุงู„ุจ ุซู„ุงุซุฉ
617
01:00:13,560 --> 01:00:17,240
ูˆุฃุฎุฏุช ุงู„ุฌุฐุฑ ุจุนุฏูŠู† ุฃุถูุช ู„ู‡ุง ุงุชู†ูŠู† ูˆูˆุตู„ู†ุง ู„ู„ู†ุชูŠุฌุฉ
618
01:00:17,240 --> 01:00:20,300
ุงู„ู„ูŠ ู„ู†ุง ูŠุจู‚ู‰ ู‡ุฐู‡ ู„ูˆ ุฃู†ุง ุฃู‚ุฑุงู‡ุง ูˆุงุญุฏ ุนู„ู‰ ุงู„ู…ู‚ุฏุงุฑ
619
01:00:20,300 --> 01:00:25,040
ุฃู‚ู„ ู…ู† ู…ูŠู† ู…ู† ู†ุตู ุฅุฐุง ุจุฏูŠ ุงุฑุฌุน ู„ู…ุณุฃู„ุฉ ุงู„ุฃุณุงุณูŠุฉ
620
01:00:25,040 --> 01:00:29,680
ูŠุจู‚ู‰ ู„ู…ุง ุงุฑุฌุน ู„ู…ุณุฃู„ุฉ ุงู„ุฃุณุงุณูŠุฉ ุงู„ู„ูŠ ููˆู‚ high zero
621
01:00:30,030 --> 01:00:36,810
ุฃู‚ู„ ู…ู† ุงู„ X ู†ุงู‚ุต ุณุจุนุฉ ุฃู‚ู„ ู…ู† Delta implies ุงู„ู„ูŠ
622
01:00:36,810 --> 01:00:43,070
ูˆุตู„ู†ุง ู„ู‡ ุงุญู†ุง X ู†ุงู‚ุต ุณุจุนุฉ ููŠ ูˆุงุญุฏ ุนู„ู‰ absolute
623
01:00:43,070 --> 01:00:48,810
value ู„ู„ุฌุฐุฑ ุงู„ุชุฑุจูŠุนูŠ ู„ู„ X ู†ุงู‚ุต ุซู„ุงุซุฉ ุฒุงุฆุฏ ุงุชู†ูŠู†
624
01:00:48,810 --> 01:00:55,030
ุชู…ุงู… ู‡ุฐุง ุฅูŠุด ุจุฏูŠ ูŠูƒูˆู† ุฃู‚ู„ ู…ู† ุงู„ู„ูŠ ู‡ูˆ absolute
625
01:00:55,030 --> 01:01:03,210
value ู„ู„ X ู†ุงู‚ุต ุณุจุนุฉ ููŠ ู†ุตู ู‡ุฐุง ุงุชุฎู„ุตุช ู…ู†ู‡ ูˆ ุญุทูŠุช
626
01:01:03,210 --> 01:01:09,330
ุฃู‚ู„ ู…ู† ู†ุต ู„ุฃู† ู‡ูŠ ุฃู‚ู„ ู…ู† ู†ุต ูˆู‡ุฐุง ูƒู„ู‡ ุฃู‚ู„ ู…ู† ู…ูŠู†ุŸ ู…ู†
627
01:01:09,330 --> 01:01:12,910
ุงุจุณู„ูˆู† ุงู„ู„ูŠ ู‡ูŠ ุงู„ุฃุณุงุณูŠุฉ ู„ุนู† ู†ู‡ุงูŠุฉ
628
01:01:16,590 --> 01:01:20,190
ุฃุถุฑุจ ูƒู„ู‡ ููŠ ุงุชู†ูŠู† ู„ูˆ ุถุฑุจุช ูƒู„ู‡ ููŠ ุงุชู†ูŠู† ุฅูŠุด ุจูŠุตูŠุฑ
629
01:01:20,190 --> 01:01:25,650
ุนู†ุฏู†ุง ุจูŠุตูŠุฑ absolute value ู„ู„ X ู†ู‚ุต ุณุจุนุฉ ุฃู‚ู„ ู…ู†
630
01:01:25,650 --> 01:01:33,050
ู…ูŠู† ุฃู‚ู„ ู…ู† ุงุชู†ูŠู† ุงุจุณู„ูˆู† ุทู„ุน ู„ูŠ ููŠ ู‡ุงุฏูŠ ูˆ ุทู„ุน ู„ูŠ ููŠ
631
01:01:33,050 --> 01:01:40,970
ู‡ุงุฏูŠ ูˆูˆุตู„ู†ุง ูŠุจู‚ู‰ ุฏู„ุชุง ูˆูŠุจู‚ู‰ ุฏุงุดุฑ ุงุชู†ูŠู† ุงุจุณู„ูˆู† ูŠุจู‚ู‰
632
01:01:40,970 --> 01:01:47,370
ุฏู„ุชุง ู‡ู†ุง ูŠุณุงูˆูŠ ุงุชู†ูŠู† ุงุจุณู„ูˆู† ูŠุจู‚ู‰ ุฏู„ุชุง ุงู„ู„ูŠ ุจุฏู†ุง ูŠุงู‡
633
01:01:47,370 --> 01:01:53,470
ุงุนุชู…ุฏ ุนู„ู‰ ู…ูŠู† ุจู‚ู‰ ุงู„ู„ูŠ ุงู„ุชุญู‚ูŠู‚ ุจูƒูˆู† ุฎู„ุตู†ุง ุญู‚ูƒ ู…ู†
634
01:01:53,470 --> 01:01:58,150
ุงู„ู„ูŠ ู…ูˆุตู„ู†ุงูƒ ุฃูŠูˆุฉ ู…ุงู„ุฐูŠ ู‚ุจู„ ู…ุงู„ุฐูŠ ู‚ุจู„ ู…ุงู„ุฐูŠ ู‚ุจู„
635
01:01:58,150 --> 01:02:01,130
ู…ุงู„ุฐูŠ ู‚ุจู„ ู…ุงู„ุฐูŠ ู‚ุจู„ ู…ุงู„ุฐูŠ ู‚ุจู„ ู…ุงู„ุฐูŠ ู‚ุจู„ ู…ุงู„ุฐูŠ ู‚ุจู„
636
01:02:01,130 --> 01:02:02,650
ู…ุงู„ุฐูŠ ู‚ุจู„ ู…ุงู„ุฐูŠ ู‚ุจู„ ู…ุงู„ุฐูŠ ู‚ุจู„ ู…ุงู„ุฐูŠ ู‚ุจู„ ู…ุงู„ุฐูŠ ู‚ุจู„
637
01:02:02,650 --> 01:02:08,610
ู…ุงู„ุฐูŠ ู‚ุจู„ ู…ุงู„ุฐูŠ ู‚ุจู„ ู…ุงู„ุฐูŠ ู‚ุจู„ ู…ุงู„ุฐูŠ ู‚ุจู„ ู…ุงู„ุฐูŠ ู‚ุจู„
638
01:02:08,610 --> 01:02:09,810
ู…ุงู„ุฐูŠ ู‚ุจู„ ู…ุงู„ุฐูŠ ู‚ุจู„ ู…ุงู„ุฐูŠ ู‚ุจู„ ู…ุงู„ุฐูŠ ู‚ุจู„ ู…ุงู„ุฐูŠ ู‚ุจู„
639
01:02:09,810 --> 01:02:14,900
ู…ุงู„ุฐูŠ ู‚ุฃู†ุง ุฌุงุจุช ุงู„ domain ุนุดุงู† ุฃุนุฑู ู‚ุฏุงุด ุฃูƒุจุฑ ู‚ูŠู…ุฉ
640
01:02:14,900 --> 01:02:22,500
ู„ู€ ุฏู„ุชุง ุจุฏุฃ ุฃุฎุฏู‡ุง ุจู†ูุน ุฃูŠ
641
01:02:22,500 --> 01:02:27,840
ุฑู‚ู… ู…ู† ุชู„ุงุชุฉ ู„ุณุจุนุฉ ุฃู†ุง ุฃุฎุฏุช ุฃูƒุจุฑ ูˆุงุญุฏ ู…ู† ุชู„ุงุชุฉ
642
01:02:27,840 --> 01:02:32,580
ู„ุฃุฑุจุนุฉ ู…ู† ู†ู‚ุต ู…ู† ุนู†ุฏ ุงู„ zero ู„ุบุงูŠุฉ ุงู„ุฃุฑุจุนุฉ ู…ู†
643
01:02:32,580 --> 01:02:37,120
ุชู„ุงุชุฉ ู„ุณุจุนุฉ ู„ู‡ูˆ ุฃุฑุจุนุฉ ุฃูŠ ุฑู‚ู… ุจุฏูƒ ุชุงุฎุฏู‡ ู…ู† ุงู„ zero
644
01:02:37,120 --> 01:02:44,620
ู„ุฃุฑุจุนุฉ ู…ุง ุนู†ุฏูŠุด ู…ุดูƒู„ุฉ ุฎู„ุงุตุŸ ุทูŠุจ ุจุฏู†ุง ู†ุชุญู‚ู‚ ู…ู† ุตุญุฉ
645
01:02:44,620 --> 01:03:01,400
ู‡ุฐุง ุงู„ูƒู„ุงู… ู‚ู„ูŠ
646
01:03:01,400 --> 01:03:09,800
ู…ู†ูƒ ู…ุนุงูƒ ุงู„ุขู† ุงุญู†ุง ุนู†ุฏู†ุง zero ุงู‚ู„ ู…ู† x ู†ู‚ุต ุณุจุนุฉ ุงู‚ู„
647
01:03:09,800 --> 01:03:15,820
ู…ู† ุฏู„ุชุง ูƒุฏู‡ ุฅูŠุด ุฏู„ุชุง ู‚ูˆู„ู†ุง ุงุชู†ูŠู† ุงุจุณู„ูˆู† ุชู…ุงู… ู‡ุฐุง
648
01:03:15,820 --> 01:03:21,170
ูŠุชุทู„ุจ absolute value ุงู„ุฏุฑุฌุฉ ุงู„ุฏูŠุด ูƒุงู†ุช ุงู„ู„ูŠ ู‡ูˆ
649
01:03:21,170 --> 01:03:27,310
ุงู„ุฌุฐุฑ ุงู„ุชุฑุจูŠุนูŠ ู„ู„ X ู†ุงู‚ุต ุซู„ุงุซุฉ ุฒุงุฆุฏ ุงุชู†ูŠู† ุงู…ุดูŠ
650
01:03:27,310 --> 01:03:33,830
ุงู…ุดูŠ ู„ู…ุง ู†ู…ุดูŠู†ุง ูˆ ู‚ูˆู„ู†ุง ูˆุตู„ู†ุงู‡ุง ู„ู„ X ู†ุงู‚ุต ุงู„ุณุจุนุฉ ููŠ
651
01:03:33,830 --> 01:03:38,770
ูˆุงุญุฏ ุนู„ู‰ ุงู„ุฌุฐุฑ ุงู„ุชุฑุจูŠุนูŠ ู„ู„ X ู†ุงู‚ุต ุซู„ุงุซุฉ ุฒุงุฆุฏ ุงุชู†ูŠู†
652
01:03:38,770 --> 01:03:44,550
absolute value ู…ุด ู‡ูŠูƒ ูˆุตู„ู†ุงู‡ุง ู‡ุงูŠ ู‡ุงูŠ ุนู†ุฏูƒ ู…ุง ุฃุฏูŠุด
653
01:03:44,550 --> 01:03:49,380
ุฃุนูŠุฏ ุงู„ุฏุฑุจ ู…ู† ุฌุฏูŠุฏ ุชู…ุงู…ุŸ ุจุนุฏ ุงู„ุฌุฐุฑ ุงู„ุชู†ุงู‚ุตุŸ ุจุนุฏ
654
01:03:49,380 --> 01:03:52,600
ุฅูŠุดุŸ
655
01:03:52,600 --> 01:03:58,300
ูŠุง ุฑุงุฌู„ ู‡ูŠู‡ุงุŒ ุฐุงุฆุจ ููŠ ุงู„ู…ู‚ุงู…ุŒ ู…ุง ู„ู‡ุŸ ู‡ูŠู‡ุงุŒ ุฌุฐุฑู‡ุง
656
01:03:58,300 --> 01:04:02,920
ู…ูƒููˆูƒุŒ ู‡ูŠู‡ุงุŒ ุดุงูู‡ุงุŸ ุฃู†ุง ูƒุชุจุช ู‡ุฐู‡ ุงู„ุญูŠู„ุฉุŒ ูŠุนู†ูŠ
657
01:04:02,920 --> 01:04:05,760
ู…ุง ุจุฏูŠุด ู„ุณู‡ ุฃู†ุง ุฃุถุฑุจ ู…ู† ุฃูˆู„ ูˆ ุฌุฏูŠุฏุŒ ุฃุนูŠุฏ ู†ูุณ ุงู„ูƒุฑุฉ
658
01:04:06,150 --> 01:04:11,070
ู„ุฃ ุฃู†ุง ู…ุณูƒุช ู‡ูŠ ู…ู† ุงู„ุจุฏุงูŠุฉ ุงู…ุดูŠ ูˆุตู„ู‡ุง ู„ุบุงูŠุฉ ู‡ู†ุง
659
01:04:11,070 --> 01:04:18,990
ุชู…ุงู…ุŸ ุงู„ุญูŠู† ู‡ุฐู‡ ุฃู‚ู„ ู…ู† ู…ูŠู†ุŸ ุฃู‚ู„ ู…ู† ุงู„ X ู†ู‚ุต ุณุจุนุฉ
660
01:04:18,990 --> 01:04:28,010
ููŠ ู†ุต ุชู…ุงู…ุŸ ุทูŠุจ ู‡ุฐู‡ ุฃู‚ู„ ู…ู† ุงู„ X ุฏู„ุชุง ุนู†ุฏ ู…ู‚ุฏุงุด
661
01:04:28,010 --> 01:04:38,360
ูŠุนู†ูŠ ู‡ุฐู‡ ุฃู‚ู„ ู…ู† ุฏู„ุชุง ููŠ ู†ุต ุฏู„ุชุง ุนู†ุฏูŠ ุจู‚ุฏุงุดุŸ ุงุชู†ูŠู†
662
01:04:38,360 --> 01:04:44,380
ุงุจุณู„ูˆู† ูŠุจู‚ู‰ ู‡ุฐู‡ ุจุฏู‡ุง ุชุณุงูˆูŠ ุงุชู†ูŠู† ุงุจุณู„ูˆู† ููŠ ู†ุต ูŠุนู†ูŠ
663
01:04:44,380 --> 01:04:49,780
ุจู‚ุฏุงุด ุงุจุณู„ูˆู† ูŠุจู‚ู‰ ู‡ูŠ ุจุชุญู‚ู‚ ุชุญู‚ู‚ ุชู…ุงู… ูŠุจู‚ู‰ ุจู‚ู‰ ุฏูŠ
664
01:04:49,780 --> 01:04:56,320
ุจู‚ูˆู„ ู„ู‡ ุณุง limit ู„ู…ุง ุงู„ X ุจุฏู‡ุง ุชุฑูˆุญ ู„ู„ุณุจุนุฉ ู„ู„ุฌุฐุฑ
665
01:04:56,320 --> 01:05:04,530
ุงู„ุชุฑุจูŠุนูŠ ู„ู„ X ู†ุงู‚ุต ุชู„ุงุชุฉ ูŠุณุงูˆูŠ ุงุชู†ูŠู† ุชู…ุงู…ุŸ ุทูŠุจ ุงู„ู„ู‡
666
01:05:04,530 --> 01:05:08,830
ูŠุนุทูŠูƒ ุงู„ุนุงููŠุฉ ุญุฏ ุจุฏูˆ ูŠุณุฃู„ ุซุงู†ูŠ ู‡ู†ุงุŸ ุฃูŠูˆุฉ ุงู„ู„ูŠ ู‡ูˆ
667
01:05:08,830 --> 01:05:15,650
ู…ูŠู†ุŸ ุชุนุงู„ ู‡ู†ุง ุนู„ู‰ ุงู„ู„ูˆุญ ูŠู„ุง ุงู„ุญู‚ ูŠู„ุง ุจุฏู†ุง ู†ุดูˆู
668
01:05:15,650 --> 01:05:20,550
ุฅูŠุด ุจุฏูˆ ูŠุณุฃู„ ูˆู…ุงุฐุง ุณุชูƒูˆู† ุงู„ุฅุฌุงุจุฉ ุจุณ ุชุนุงู„ ุงุทู„ุน ู‡ู†ุง
669
01:05:20,550 --> 01:05:28,030
ูŠุง ุฑุงุฌู„ ุฎู„ู‘ูŠ ุงู„ุดุจุงุจ ูŠุณุชููŠุฏูˆุง ู…ู† ู‡ู†ุงูƒ ู…ู† ู‡ู†ุงูƒ ุฃูŠูˆุฉ
670
01:05:28,030 --> 01:05:37,260
ุทูŠุจ ู„ุญุฏ ู‡ู†ุง ุชู…ุงู… ู‡ุฐู‡ุŸ ุฌูŠู†ุง ู„ุฑุฃุณ ุงู„ู…ุณุฃู„ุฉ ูˆ ู†ุฒู„ู†ุง ู‡ุฐู‡
671
01:05:37,260 --> 01:05:42,680
ุงู„ุทุฑู ุงู„ุดู…ุงู„ ุฒูŠ ู…ุง ู‡ูˆ ุงู„ุทุฑู ู‡ุฐุง ู‡ูŠูˆ ูƒุงู† ู†ุฒู„ุชู‡ ุฒูŠ
672
01:05:42,680 --> 01:05:48,900
ู…ุง ู‡ูˆ ุบูŠุฑุชุด ุดูŠุก ู‡ุฐุง ุฃู‚ู„ ู…ู† ุงู„ู…ู‚ุฏุงุฑ ู‡ุฐุง ููŠ ู†ุต ู‡ูŠูˆ
673
01:05:48,900 --> 01:05:53,920
ุฃู‚ู„ ู…ู† ู†ุต ุดูŠู„ุช ู‡ุฐุง ูˆ ุญุทูŠุช ุจุฏู„ ู†ุตู‡ ุงู„ู„ูŠ ู‡ูŠ ุงู„ุฃู‚ู„
674
01:05:53,920 --> 01:06:01,020
ู…ู†ู‡ ู…ุธุจูˆุทุŸ ุทูŠุจ ู‡ุฐุง ุงู„ุขู† ุฃู‚ู„ ู…ู† ุฅุจุณู„ูˆู† ู†ุฒู„ุช ุงู„ุฅุจุณู„ูˆู† ุฒูŠ
675
01:06:01,020 --> 01:06:04,800
ู…ุง ู‡ูˆ ุฃุถุฑุจ ุงู„ุทุฑููŠู† ููŠ ุงุชู†ูŠู† ุตุงุฑุช ู‡ุฐุง
676
01:06:08,570 --> 01:06:14,790
ุฎู„ุงุตุŸ ุญุฏ ุจุฏูˆ ูŠุณุฃู„ ุซุงู†ูŠุŸ ุทุจ ุงู„ู…ุซุงู„ ุงู„ู„ูŠ ุจุนุฏู‡
677
01:06:38,770 --> 01:06:52,770
ู…ุซุงู„ 3 ุงุณุชุฎุฏู… ุงุจุณู„ูˆู† ุฏู„ุชุง definition ู„ุชูˆุถูŠุญ ุฐู„ูƒ ู‚ูŠู…ุฉ
678
01:06:52,770 --> 01:07:00,430
ู„ู…ุง ุงู„ุงูƒุณ ุจุฏู‡ุง ุชุฑูˆุญ ู„ุชู„ุงุชุฉ ู„ู„ุงูƒุณ ุชูƒูŠุจ ูŠุณุงูˆูŠ 27
679
01:07:18,130 --> 01:07:24,670
ู„ุฃ ู„ุฃ ู„ุฃ ู„ุฃ ู„ุฃ ู„ุฃ ู„ุฃ ู„ุฃ
680
01:07:24,670 --> 01:07:25,090
ู„ุฃ ู„ุฃ ู„ุฃ ู„ุฃ ู„ุฃ ู„ุฃ ู„ุฃ ู„ุฃ ู„ุฃ ู„ุฃ ู„ุฃ ู„ุฃ ู„ุฃ ู„ุฃ ู„ุฃ
681
01:07:25,090 --> 01:07:26,230
ู„ุฃ ู„ุฃ ู„ุฃ ู„ุฃ ู„ุฃ ู„ุฃ ู„ุฃ ู„ุฃ ู„ุฃ ู„ุฃ ู„ุฃ ู„ุฃ ู„ุฃ ู„ุฃ ู„ุฃ
682
01:07:26,230 --> 01:07:26,750
ู„ุฃ ู„ุฃ ู„ุฃ ู„ุฃ ู„ุฃ ู„ุฃ ู„ุฃ ู„ุฃ ู„ุฃ ู„ุฃ ู„ุฃ ู„ุฃ ู„ุฃ ู„ุฃ ู„ุฃ
683
01:07:26,750 --> 01:07:27,190
ู„ุฃ ู„ุฃ ู„ุฃ ู„ุฃ ู„ุฃ ู„ุฃ ู„ุฃ ู„ุฃ ู„ุฃ ู„ุฃ ู„ุฃ ู„ุฃ ู„ุฃ ู„ุฃ ู„ุฃ
684
01:07:27,190 --> 01:07:27,730
ู„ุฃ ู„ุฃ ู„ุฃ ู„ุฃ ู„ุฃ ู„ุฃ ู„ุฃ ู„ุฃ ู„ุฃ ู„ุฃ ู„ุฃ ู„ุฃ ู„ุฃ ู„ุฃ ู„ุฃ
685
01:07:27,730 --> 01:07:33,070
ู„ุฃ
686
01:07:33,070 --> 01:07:34,250
ู„ุฃ
687
01:07:43,100 --> 01:07:46,220
ูˆุงู„ุญูŠู† ุจุฏู†ุง ู†ุนูŠุฏ ู†ูุณ ุงู„ุชูƒุชูŠูƒ ุงู„ู„ูŠ ู‚ู„ู†ุงู‡ุง ููŠ
688
01:07:46,220 --> 01:07:49,760
ุงู„ู…ุซุงู„ูŠู† ุจุฏู†ุง ู†ุนูŠุฏู‡ ููŠ ุงู„ู…ุซุงู„ ุงู„ุซุงู„ุซ ูƒู…ุงู† ู†ูุณ
689
01:07:49,760 --> 01:07:53,400
ุงู„ู…ูู‡ูˆู… ูŠุนู†ูŠ ู„ูˆ ุญุชู‰ ู…ุง ูู‡ู…ุชุด ูˆู„ุง ูƒู„ู…ุฉ ู…ู† ุงู„ู…ุซุงู„ูŠู†
690
01:07:53,400 --> 01:07:55,980
ุงู„ุณุงุจู‚ูŠู† ุจุฏู†ุง ู†ุนูŠุฏู‡ ู†ูุณ ุงู„ูƒู„ุงู… ููŠ ุงู„ู…ุซุงู„ ุงู„ุซุงู„ุซ
691
01:07:55,980 --> 01:08:01,180
ูˆุจุงู„ุชุงู„ูŠ ุจุณ ูƒู„ ูˆุงุญุฏ ููŠ ููƒุฑุฉ ุจุณูŠุทุฉ ุจุชุฎุชู„ู ุนู† ู…ูŠู† ุนู†
692
01:08:01,180 --> 01:08:07,910
ุฃูŠ ุซุงู†ูŠุฉ ู„ูƒู† ู†ูุณ ุงู„ุชูƒุชูŠูƒ ุทูŠุจ ู†ุฌูŠ ุงู„ุขู† ู„ู„ุณุคุงู„ ุจูŠู‚ูˆู„
693
01:08:07,910 --> 01:08:12,210
ุงุณุชุฎุฏู… ู„ุจุณ ู…ู† ุฏู„ุชุง definition to show that limit
694
01:08:12,210 --> 01:08:15,650
ุงู„ุงูƒุณ ุชูƒูŠุจ ู„ู…ุง ุนู„ูŠูƒ ุชุฑูˆุญ ู„ุชู„ุงุชุฉ ุจุฏู‡ุง ุชุณุงูˆูŠ ู…ูŠู† ุณุจุนุฉ
695
01:08:15,650 --> 01:08:19,730
ูˆ ุนุดุฑูŠู† ุจุฏู†ุง ู†ุญุท ุงู„ุชุนุฑูŠู ูŠุจู‚ู‰ ุจุงุฌูŠ ุจู‚ูˆู„ ู„ู‡ given
696
01:08:22,730 --> 01:08:31,310
ุงุจุณู„ูˆู† ุฃูƒุซุฑ ู…ู† ุฒูŠุฑูˆ ู‡ู†ุงูƒ ุฏู„ุชุง ุฃูƒุซุฑ ู…ู† ุฒูŠุฑูˆ ุจุญูŠุซ ุฃู†
697
01:08:31,310 --> 01:08:37,910
ุงู„ุฒูŠุฑูˆ ุฃู‚ู„ ู…ู† ุงู„ X ู†ุงู‚ุต ุงู„ X node ุฃู‚ู„ ู…ู† ุฏู„ุชุง ูŠุนู†ูŠ
698
01:08:37,910 --> 01:08:44,610
ุฃู† ุงู„ F of X ู†ุงู‚ุต ุงู„ L ุฃู‚ู„ ู…ู† ู…ูŠู†ุŸ ุฃู‚ู„ ู…ู† ุงู„ุฃุจุณู„ูˆู†
699
01:08:50,220 --> 01:08:56,400
ุจู†ุนูŠุด ู†ุนูˆุถ ุชุญูˆูŠู„ ู…ุจุงุดุฑ ูŠุจู‚ู‰ zero ุฃู‚ู„ ู…ู† ุงู„ X ุงู„ X
700
01:08:56,400 --> 01:09:03,300
node ุจู‚ุฏุงุด ุชู„ุงุชุฉ ุฃู‚ู„ ู…ู† Delta M plus F of X ุงู„ X
701
01:09:03,300 --> 01:09:11,520
ุชูƒูŠุจ ู†ู‚ุต ุงู„ L ุงู„ุชูŠ ู‡ูŠ 27 ุฃู‚ู„ ู…ู† Epsilon ู‡ู„ ุงุฎุชู„ูุช
702
01:09:11,520 --> 01:09:16,640
ุงู„ุจุฏุงูŠุฉ ุนู† ุงู„ุจุฏุงูŠุฉ ุงู„ุณุงุจู‚ุฉ ู„ู„ู…ุซุงู„ ูˆู„ุง ุญุงุฌุฉ ุทูŠุจ
703
01:09:18,740 --> 01:09:22,340
ู‡ุฐู‡ ู…ุง ู„ูŠุด ุนู„ุงู‚ุฉ ููŠู‡ุง ุจุฎู„ูŠู‡ุง ูˆ ุจุฑู‡ ุนุดุงู† ูˆ ุงู„ููŠู† ููŠ
704
01:09:22,340 --> 01:09:29,020
ุงู„ุชุงู†ูŠุฉ ุจุทู„ ุนู„ู‰ ู‡ุฐู‡ ุดูˆ ุดูƒู„ ู‡ุฐู‡ ุฎุฑู‚ ุจูŠู† ุงู„ู…ุฌุชุนุจูŠู†
705
01:09:29,020 --> 01:09:33,860
ุทุจ ู‡ู†ุง ุนู†ุฏูŠ x ู†ุงู‚ุต ุซู„ุงุซุฉ ุฅุฐุง ุจุฏูŠ ุฃุฎู„ูŠูƒ ู‡ู†ุง ุฌุฏูŠุฏ x
706
01:09:33,860 --> 01:09:40,320
ู†ุงู‚ุต ุซู„ุงุซุฉ ุฅุฐุง ู‡ุฐู‡ x ู†ุงู‚ุต ุซู„ุงุซุฉ ู‡ูŠ ุงู„ absolute
707
01:09:40,320 --> 01:09:48,430
value x ุชุฑุจูŠุน ุฒุงุฆุฏ ุงู„ุชู„ุงุชุฉ x ุฒุงุฆุฏ ุงู„ุชุณุนุฉ ู…ุด 6x ู…ุด ุถุนู
708
01:09:48,430 --> 01:09:53,430
ุญุตู„ ุถุฑุจ ุงู„ูƒู…ูŠุฉ ู…ุด ู…ุฑุจุนู‡ุง ุฏู‡ ุฌูˆุณ ุงู„ูƒู„ ุชุฑุจูŠู‡ุง ุฏู‡
709
01:09:53,430 --> 01:09:57,830
ูุฑู‚ ุจูŠู†ู‡ุง ู…ูƒุนุจูŠู† ุจุชุงุฎุฏ ุงู„ุฌุฐุฑ ุงู„ุชูƒุนูŠุจูŠ ู„ู„ term ุงู„ุฃูˆู„
710
01:09:57,830 --> 01:10:01,910
ุจุชุงุฎุฏ ุงู„ุฌุฐุฑ ุงู„ุชูƒุนูŠุจูŠ ู„ู„ x ุชูƒูŠุจ ุงู„ู„ูŠ ู‡ูˆ x ุจุชุงุฎุฏ
711
01:10:01,910 --> 01:10:04,830
ุงู„ุฌุฐุฑ ุงู„ุชูƒุนูŠุจูŠ ู„ู„ term ุงู„ุซุงู†ูŠ ุงู„ู„ูŠ ู‡ูˆ ุชู„ุงุชุฉ ูˆ
712
01:10:04,830 --> 01:10:09,490
ุงู„ุฅุดุงุฑุฉ ุฒูŠ ู…ุง ู‡ูŠ ุจุนุฏูƒ ุงู„ุฌูˆุณ ุงู„ุซุงู†ูŠ ู…ุฑุจุน ุงู„ุฃูˆู„ู‰
713
01:10:09,490 --> 01:10:14,830
ุงู„ุฅุดุงุฑุฉ ู†ุงู‚ุต ุจุตูŠุฑ ุฒุงุฆุฏ ุนูƒุณ ุชู…ุงู…ุง ุญุตู„ ุถุฑุจ ู„ูŠู‡ ุงุชู†ูŠู†
714
01:10:15,000 --> 01:10:22,920
ู…ุฑุจุน ุงู„ู‚ูŠู…ุฉ ุงู„ุซุงู†ูŠุฉ ุชู…ุงู… ู‡ุฐุง ุงู„ู…ู‚ุฏุงุฑ ู…ุง ู„ู‡ ุฃู‚ู„ ู…ู†
715
01:10:22,920 --> 01:10:31,360
ู…ูŠู† ุฃู‚ู„ ู…ู† ุฅู…ุณู† ู‡ุฐุง ู‡ูˆ ู‡ุฐุง ู…ุง ุชุบูŠุฑุด ูŠุจู‚ู‰ ูƒู„ ุงู„ู„ูŠ
716
01:10:31,360 --> 01:10:36,100
ุจู‚ุฏุฑ ุฃู‚ูˆู„ู‡ ู‡ุฐุง ู…ุนู†ุงู‡ absolute value ู„ู„ X ู†ุงู‚ุต
717
01:10:36,100 --> 01:10:41,400
ุชู„ุงุชุฉ ููŠ ุงู„ absolute value ู„ู„ X ุชุฑุจูŠุน ุฒุงุฆุฏ ุงู„ุชู„ุงุชุฉ X
718
01:10:41,400 --> 01:10:46,980
ุฒุงุฆุฏ ุงู„ุชุณุนุฉ ุฃู‚ู„ ู…ู† ู…ูŠู† ู…ู† ุงู„ epsilon ุฅุฐุง ุฃู†ุง ุจุฏูŠ
719
01:10:46,980 --> 01:10:53,180
ุฃุชุฎู„ุต ู…ู† ุงู„ู…ู‚ุฏุงุฑ ู‡ุฐุง ุจุฑู‚ู… ู„ุฃู† ุงู„ X ู†ุงู‚ุต ุซู„ุงุซุฉ
720
01:10:53,180 --> 01:10:58,120
ู…ูˆุฌูˆุฏุฉ ุนู†ุฏูŠ ู‡ู†ุง ูˆูŠู† ู…ูˆุฌูˆุฏุฉ ุนู„ู‰ ุงู„ุฅุดู…ุงู„ ุจุฏุงู„ูŠ ุฃุณุฃู„ูƒ
721
01:10:58,120 --> 01:11:03,980
ุจุฏุงู„ูŠ ุฃุณุฃู„ูƒ ุฃุชู…ู†ู‰ ู…ู† ู…ู† ูˆ ู„ุง ูˆูŠู† ูƒู„ ุงู„ real line
722
01:11:03,980 --> 01:11:07,040
ู…ุธุจูˆุท ุฅุฐุง ู‡ุฐุง ู„ุง ุจู‚ุฏู… ูˆู„ุง ุจุฎุฏู…ู‡ ู…ุด ุฒูŠ ุงู„ุณุคุงู„ ุงู„ู„ูŠ
723
01:11:07,040 --> 01:11:11,390
ู‚ุจู„ู‡ ูŠุจู‚ู‰ ู…ูุชูˆุญุฉ ุงู„ุฏู†ูŠุง ู‚ุฏุงู…ูƒ ุงู„ู„ู‡ ู…ูŠุณุฑู‡ุง ุฎุงู„ุต
724
01:11:11,390 --> 01:11:19,130
ู…ู…ุชุงุฒ ุฌุฏุง ูŠุจู‚ู‰ ู‡ู†ุง ุงู„ domain ู„ุฏุงู„ุฉ F ุจุฏูˆ ูŠุณุงูˆูŠ ู…ู†
725
01:11:19,130 --> 01:11:23,710
ุณุงู„ุจ infinity ุงู„ู‰ infinity ุฅุฐุง ู‡ุฐู‡ ู…ุง ุฌุงุจุชู„ูŠุด ุฌุฏูŠุฏ
726
01:11:23,710 --> 01:11:29,650
ู„ูƒู† ุฃู†ุง ุนู†ุฏูŠ ุงู„ X ุจุชุฑูˆุญ ู„ูˆูŠู† ู„ุชู„ุงุชุฉ
727
01:11:29,650 --> 01:11:35,390
ุทูŠุจ ุชุนุงู„ ู†ุดูˆู ุงู„ู‚ุตุฉ ุนุงุฏูŠ ุฎู„ู‘ูŠ ุจุงู„ูƒ ู‡ู†ุง ู‡ุฐุง ุงู„ real
728
01:11:35,390 --> 01:11:41,400
line ูˆ ู‡ุงุฏ ุงู„ X ุจุฏู‡ุง ุชุฑูˆุญ ู„ูˆูŠู†ุŸ ู„ูŠู‡ ุงู„ุชู„ุงุชุฉุŸ ุณุคุงู„
729
01:11:41,400 --> 01:11:47,260
ุงู„ุฏู„ุชุง ุจุชุงุฎุฏ ู‚ูŠู… ุณุงู„ุจุฉุŸ ู„ุฃู†ู‡ุง ุชูƒูˆู† ู‚ูŠู… ุณุงู„ุจุฉุŒ
730
01:11:47,260 --> 01:11:51,700
ู…ุธุจูˆุทุŒ ูŠุจู‚ู‰ ุงู„ุฏู„ุชุง ุฏุงุฆู…ุง ุฃูƒุจุฑ ู‚ูŠู… ูˆุงุฌุจุฉ ูŠุนู†ูŠ ุจู‚ุฏุงุด
731
01:11:51,700 --> 01:11:57,160
ุฃูƒุจุฑ ู‚ูŠู…ุฉ ู„ู€ Delta ู…ู…ูƒู† ุชูƒูˆู† ุชู„ุงุชุฉ ู…ุด ุบูŠุฑู‡ู… ุตุญูŠุญ
732
01:11:57,160 --> 01:12:01,980
ูˆู„ุง ู„ูŠุดุŸ ู„ุฃู† ู‡ูŠ ุงู„ู€ Zero ู‚ุจู„ ุงู„ู€ Zero ุจุฏุฃ ุงู„ุตูŠู
733
01:12:01,980 --> 01:12:07,320
ุชุงุฎุฏ ู‚ูŠู… ุณุงู„ุจุฉ ูŠุจู‚ู‰ ุฃู‚ุตู‰ ู‚ูŠู…ุฉ ู„ู€ Delta ุจุชุจู‚ู‰ ุฃูŠุดุŸ
734
01:12:07,320 --> 01:12:13,320
ุชู„ุงุชุฉ ูŠุนู†ูŠ X ุณุชุชุญุฑูƒ ููŠ ุงู„ูุชุฑุฉ ู…ู† Zero ู„ุชู„ุงุชุฉ ูˆู…ู…ูƒู†
735
01:12:13,320 --> 01:12:18,170
ุจุนุฏ ู…ูŠู†ุŸ ุจุนุฏ ุงู„ุชู„ุงุชุฉ ุงู„ู„ูŠ ุนู†ุฏู†ุง ู‡ุฐุง ู…ุด ู‡ูŠูƒ ุทูŠุจ
736
01:12:18,170 --> 01:12:22,410
ุชุนุงู„ ู†ุดูˆู ุงู„ูƒู„ุงู… ุงู„ู„ูŠ ุนู†ุฏู†ุง ู‡ุฐุง ุฅูŠุด ุจุฏู†ุง ู†ุณุชููŠุฏ
737
01:12:22,410 --> 01:12:34,690
ู…ู†ู‡ ูŠุจู‚ู‰ ุจุงุฌูŠ ุจู‚ูˆู„ ู„ู‡ ุงู„ุขู† since ุจู…ุง ุฃู† ุงู„ X ุจุฏุฃุช
738
01:12:34,690 --> 01:12:43,540
ุชุฑูˆุญ ู„ูŠู‡ ุชู„ุงุชุฉ and ุงู„ู€ Delta ุฏุงุฆู…ุง ุฃูƒุจุฑ ู…ู† 0 ูŠุจู‚ู‰
739
01:12:43,540 --> 01:12:56,700
we can take Delta to be any number
740
01:12:56,700 --> 01:13:06,700
in ุงู„ูุชุฑุฉ ู…ู† 0 ู„ุบุงูŠุฉ 3 ู‚ุฏ ู…ุง ุจุฏูƒ ุฎุฏู‡ุŒ ุฃูŠ ุฑู‚ู… ูŠุนุฌุจูƒ
741
01:13:06,700 --> 01:13:13,500
ู…ู† 0 ู„ 3 ูˆุงุญุฏ ุงุชู†ูŠู† ุชู„ุงุชุฉ ูˆุงุญุฏ ูˆ ู†ุต ูˆุงุญุฏ ูˆ ุชู„ุงุชุฉ
742
01:13:13,500 --> 01:13:17,700
ุงุฑุจุนุฉ ุงุชู†ูŠู† ุฒูŠ ู…ุง ูƒู„ ูˆุงุญุฏ ูŠุงุฎุฏ ุฑู‚ู… ุดูƒู„ ุฅูŠุด ุจุชุงุฎุฏ
743
01:13:17,700 --> 01:13:21,360
ุจุชู„ุงู‚ูŠ ุงุจุณู†ุท ุจุชุนุชู…ุฏ ุนู„ูŠู‡ุง ุฎู„ู‘ูŠ ุจุงู„ูƒ ู‡ู†ุง ุงู„ุขู† ู„ูˆ
744
01:13:21,360 --> 01:13:26,120
ุฃุฎุฐู†ุง delta ุจูˆุงุญุฏ ุนู„ู‰ ุณุจูŠู„ ุงู„ู…ุซุงู„ ูŠุจู‚ู‰ ุจุงุฌูŠ ุจู‚ูˆู„ ู„ู‡
745
01:13:26,120 --> 01:13:31,060
ุฒูŠ ู…ุง ุฃุญุฏ ุงู‚ุชุฑุญ ุฃูˆู„ ุงู‚ุชุฑุญ ู‚ุงู„ ู„ูŠ ูˆุงุญุฏ F delta ุชุณุงูˆูŠ
746
01:13:31,060 --> 01:13:35,260
ูˆุงุญุฏ ุดูˆู ู‡ุฐู‡ ุฅูŠุด ุจูŠุฌูŠ ุจุงู„ูƒ ุทุจุนุง ูˆุงุญุฏ ู…ู…ูƒู† ูŠุงุฎุฏู‡ุง
747
01:13:35,260 --> 01:13:40,380
ุงุชู†ูŠู† ุทุจุนุง ูƒู„ู‡ ุจูŠุฎุชู„ู ุนู† ุงู„ุซุงู†ูŠ ูˆุจุงู„ุชุงู„ูŠ ู…ุง ููŠุด
748
01:13:40,380 --> 01:13:48,900
ู…ุดูƒู„ุฉ ุฃู‚ู„ ุฃูŠูˆุฉ ุงู„ domain
749
01:13:48,900 --> 01:13:51,740
ุณุจุนุฉ ุฏู‡ ู„ู…ู† ุตูุฑ ูˆุงุทู„ุน ูˆู„ุง ุงู„ domain ูƒู„ู‡ ุงู„ real
750
01:13:51,740 --> 01:13:56,700
line ู‡ุฐุง ูƒู†ุช ู…ู‚ูŠุฏ ุฃู†ุง ุจุงู„ domain ู„ูƒู† ู‚ุจู„ ุดูˆูŠุฉ ู‚ูˆู„
751
01:13:56,700 --> 01:14:00,710
ุฃู† ู‡ุฐุง ุงู„ domain ูƒู„ู‡ ุงู„ real line ุทุจ ู„ูŠุด ุฃู†ุง ุชู‚ูŠุฏุช
752
01:14:00,710 --> 01:14:04,650
ู…ู† ุตูุฑ ู„ุซู„ุงุซุฉ ู„ุฃู† ุงู„ delta ุฏุงุฆู…ุง ูˆ ุฃุจุฏุง ู…ูˆุฌุจ ูŠุจู‚ู‰
753
01:14:04,650 --> 01:14:08,150
ุจู‚ุฏุฑุด ุฃุฑุฌุน ู‚ุจู„ ุงู„ุตูุฑ ูˆ ุฃุฎุฏ ู‚ูŠู… ุณุงู„ุจุฉ ูŠุจู‚ู‰ ุงู„ delta
754
01:14:08,150 --> 01:14:13,190
ุจู‚ุฏุฑ ุฃุฎุฏ ุฃูŠ ุฑู‚ู… ู…ู† ุตูุฑ ู„ูˆูŠู† ู„ุซู„ุงุซุฉ ุนุฑูุช ู„ูŠุดุŸ ุทูŠุจ
755
01:14:14,140 --> 01:14:17,720
ุฃุฎุฐู†ุงู‡ุง ุงู‚ุชุฑุญ ูˆุงุญุฏ ุงู„ุดุจุงุจ ุฃู† ูŠุงุฎุฏ ุฏู„ุชุง ุจู‡ุฐุง ู‚ู„ุช ู„ู‡
756
01:14:17,720 --> 01:14:22,400
ู…ุงุดูŠ ุดูˆู ู‡ุฐู‡ ุงู„ู„ูŠ ูˆูŠู† ุจุฏู‡ุง ุชูˆุตู„ู†ุง ุงู„ุขู† ุงุญู†ุง ุนู†ุฏู†ุง
757
01:14:22,400 --> 01:14:27,160
ู…ูŠู†ุŸ ุนู†ุฏู†ุง ู‡ู†ุง ุงู„ absolute value ู„ X ู†ุงู‚ุต ุซู„ุงุซุฉ
758
01:14:27,160 --> 01:14:32,080
ุฃู‚ู„ ู…ู† Delta ูŠุจู‚ู‰ X ู†ุงู‚ุต ุซู„ุงุซุฉ ุจูŠุตูŠุฑ ุฃู‚ู„ ู…ู† ู…ูŠู†ุŸ
759
01:14:32,080 --> 01:14:38,720
ู…ู† ูˆุงุญุฏ ุงู„ุขู† since ุจู…ุนู†ู‰ absolute value ู„ู„ู€ X ู†ุงู‚ุต
760
01:14:38,720 --> 01:14:44,280
ุซู„ุงุซุฉ ุฃู‚ู„ ู…ู† Delta ูˆ Delta ุฃุฎุฐู†ุงู‡ุง ูŠุณุงูˆูŠ ูˆุงุญุฏ ู‡ุฐุง
761
01:14:44,280 --> 01:14:50,980
ู…ุนู†ุงู‡ ุฃู† X ู†ุงู‚ุต ุซู„ุงุซุฉ ุฃู‚ู„ ู…ู† 100 ู…ู† ุงู„ูˆุงุญุฏ ู‡ุฐุง
762
01:14:50,980 --> 01:14:55,560
ู…ุนู†ุงู‡ ุฃู† ุงู„ุงูƒุณ ู†ุงู‚ุต ุซู„ุงุซุฉ ุฃู‚ู„ ู…ู† ูˆุงุญุฏ ูˆ ุฃูƒุจุฑ ู…ู†
763
01:14:55,560 --> 01:15:01,760
ู…ูŠู†ุŸ ู…ู† ุณุงู„ุจ ูˆุงุญุฏ ุถูŠู ุชู„ุงุชุฉ ู„ู„ุซู„ุงุซุฉ ุงุทุฑุงู ุจุตูŠุฑ
764
01:15:01,760 --> 01:15:08,760
ุงุชู†ูŠู† ุฃู‚ู„ ู…ู† X ุฃู‚ู„ ู…ู† ู…ูŠู†ุŸ ู…ู† ุฃุฑุจุนุฉ ูŠุจู‚ู‰ ุฃู† ุญุฏุซ
765
01:15:08,760 --> 01:15:15,090
ุฐู„ูƒ ูุงู„ X ุฏุงุฆู…ุง ูˆ ุฃุจุฏุง ู…ู…ูƒู† ุชูƒูˆู† ู…ุง ู„ู‡ุง ูŠุณุงูˆูŠ ุฃุฑุจุนุฉ
766
01:15:15,090 --> 01:15:21,670
ุฃูˆ ุฃู‚ู„ ู…ู† ู…ูŠู† ุฃูˆ ุฃู‚ู„ ู…ู† ุฃุฑุจุนุฉ ูŠุนู†ูŠ ุงุญู†ุง ุจู†ู‚ุฏุฑ ู†ุงุฎุฏ
767
01:15:21,670 --> 01:15:29,570
ุฃู†ู‡ุง any number in 0 ู„ุบุงูŠุฉ 3 ุทุจ ู„ูŠุด ู…ุง ุฃุฎุฐุชุด ุชู„ุงุชุฉุŸ
768
01:15:30,900 --> 01:15:35,840
ุฎู„ูŠุชู‡ุง closed interval ู„ุฃู† ุงู„ function ู…ู…ูƒู† ุชูƒูˆู†
769
01:15:35,840 --> 01:15:39,560
ุนู†ุฏู‡ุง
801
01:18:15,610 --> 01:18:19,450
ุชู„ุงุชุฉ ุทูŠุจ absolute value ู„ูŠู‡ ุงุซู†ูŠู† ูˆุงุซู†ูŠู† ูˆ
802
01:18:19,450 --> 01:18:22,430
absolute value ู„ุณุงู„ุจ ุฎู…ุณุฉ ูˆุฎู…ุณุฉ ุณุจุนุฉ ุชู„ุงุชุฉ ู‚ู„ ู…ู†
803
01:18:22,430 --> 01:18:26,850
ุณุจุนุฉ ู…ุธุจูˆุท ูˆู„ุง ู„ุงุŸ ูŠุจู‚ู‰ ุงู„ู€ equality ู‡ุฐู‡ ุฏุงุฆู…ุง ูˆ
804
01:18:26,850 --> 01:18:31,950
ุฃุจุฏุง ุตุญูŠุญุฉ ู„ูƒู„ real number ุฅุฐุง ุชุณุงูˆุช a ูˆ b ููŠ
805
01:18:31,950 --> 01:18:36,350
ุงู„ุฅุดุงุฑุฉ ูŠุจู‚ู‰ ููŠ ู‡ุฐู‡ ุงู„ุญุงู„ุฉ ุจูŠุญุฏุซ ุงู„ุชุณุงูˆูŠ ุจูŠู†
806
01:18:36,350 --> 01:18:41,500
ุงู„ู…ู‚ุฏุงุฑูŠู† ุฅุฐุง ุงุฎุชู„ูุช A ูˆB ููŠ ุงู„ุฅุดุงุฑุฉ ุจูŠุญุตู„ ุงู„ู€ ุฃู‚ู„
807
01:18:41,500 --> 01:18:45,620
ู…ู†ุŒ ุญุท ู„ู‡ ุงู„ู…ุนู„ูˆู…ุฉ ุนู†ุฏูƒ ูˆุจุฏู†ุง ู†ุทุจู‚ู‡ุงุŒ ุฅุฐุง ู‡ุฐู‡
808
01:18:45,620 --> 01:18:50,720
ุฏุงุฆู…ุง ูˆุฃุจุฏุง ุฃู‚ู„ ู…ู† ุฃูˆ ุชุณุงูˆูŠ absolute value ู„ู€ X
809
01:18:50,720 --> 01:18:56,540
ุชุฑุจูŠุน ุฒุงุฆุฏ absolute value ู„ู€ 3X ุฒุงุฆุฏ absolute value ู„
810
01:18:56,540 --> 01:19:04,180
9 ุชู…ุงู…ุŸ ุทูŠุจ ู‡ุฐู‡ ุฃู‚ู„ ู…ู† ุฃูˆ ุชุณุงูˆูŠ ู‡ุฐู‡ ุฃุฑุจุนุฉ ุชุฑุจูŠุน
811
01:19:04,180 --> 01:19:10,600
ุจู‚ุฏุงุดุŸ ุณุชุฉ ุนุดุฑ ุชู„ุงุชุฉ ููŠ ุฃุฑุจุนุฉ ุจุงุซู†ุง ุนุดุฑ ุฒุงุฆุฏ ุชุณุนุฉ
812
01:19:10,600 --> 01:19:18,380
ุซู…ุงู†ูŠุฉ ูˆุนุดุฑูŠู† ูˆุชุณุนุฉ ู‚ุฏุงุดุŸ ุณุจุนุฉ ูˆุซู„ุงุซูŠู† ุทูŠุจ ุฅุฐุง ุตุงุฑ
813
01:19:18,380 --> 01:19:25,040
ู‡ุฐุง ุงู„ู…ู‚ุฏุงุฑ ุฃู‚ู„ ู…ู† ู…ูŠู†ุŸ ู…ู† ุณุจุนุฉ ูˆุซู„ุงุซูŠู†ุŒ ู…ู…ุชุงุฒ
814
01:19:25,040 --> 01:19:30,000
ุฌุฏุงุŒ ูŠุจู‚ู‰ ุฃู†ุง ุจุฏูŠ ุฃุฑุฌุน ู„ู…ุณุฃู„ุฉ ู‡ู†ุงุŒ ูŠุจู‚ู‰ ุฃู†ุง ุนู†ุฏูŠ
815
01:19:30,000 --> 01:19:39,210
ุตูุฑ ุฃู‚ู„ ู…ู† ุงู„ู€ X ู†ุงู‚ุต ุซู„ุงุซุฉ ุฃู‚ู„ ู…ู† delta implies ุดูˆู
816
01:19:39,210 --> 01:19:46,310
ุงูŠุด ุงู„ู„ูŠ ุญุตู„ ุนู†ุฏู†ุงุŸ ุงู„ู…ุซู„ุซุฉ ูƒุงู†ุช X ู†ุงู‚ุต ุซู„ุงุซุฉ ููŠ X
817
01:19:46,310 --> 01:19:55,200
ุชุฑุจูŠุน ุฒุงุฆุฏ ุชู„ุงุชุฉ X ุฒุงุฆุฏ ุชุณุนุฉ ู‡ุฐุง ุฃู‚ู„ ู…ู† ุฃูˆ ูŠุณุงูˆูŠ
818
01:19:55,200 --> 01:20:01,300
ุงู„ู„ูŠ ู‡ูˆ ุงู„ู€ X ู†ุงู‚ุต ุซู„ุงุซุฉ ููŠ ู‚ุฏุงุดุŸ ููŠ ุณุจุนุฉ ูˆุซู„ุงุซูŠู†
819
01:20:01,300 --> 01:20:08,680
ูˆู‡ุฐุง ูƒู„ู‡ ุฃู‚ู„ ู…ู† ู…ูŠู†ุŸ ุฃู‚ู„ ู…ู† ุงู„ู€ epsilon ุทุจุนุง ุทู„ู‘ุน ู„ูŠ
820
01:20:08,680 --> 01:20:15,520
ููŠ ูŠุฏูƒ ู…ู…ูƒู† ุงู‚ุณู… ูƒู„ู‡ ู‚ุฏุงุดุŸ ุนู„ู‰ ุณุจุนุฉ ูˆุซู„ุงุซูŠู† ูŠุจู‚ู‰
821
01:20:15,520 --> 01:20:22,440
ุจูŠุตูŠุฑ ุงู„ู€ X ู†ุงู‚ุต ุซู„ุงุซุฉ ุฃู‚ู„ ู…ู† ุงู„ู€ epsilon ุนู„ู‰ ุณุจุนุฉ ูˆ
822
01:20:22,440 --> 01:20:30,880
ุซู„ุงุซูŠู† ุชู…ุงู…ุŸ ุฅุฐุง ูƒู… ู‚ูŠู…ุฉ ู„ู€ delta ุตุงุฑุช ุนู†ุฏูŠุŸ Delta
823
01:20:30,880 --> 01:20:38,640
ุนู†ุฏูŠ ู‡ู†ุง ุจูˆุงุญุฏ ูˆ delta ู‡ู†ุง ู‡ุฐุง ุจุฏู‡ ูŠุนุทูŠูƒ ุงู†ู‡ delta
824
01:20:38,640 --> 01:20:46,480
ุชุณุงูˆูŠ epsilon ุนู„ู‰ ุณุจุนุฉ ูˆุซู„ุงุซูŠู† ู„ูŠุด ู‡ุงูŠ ู‡ุฐู‡ ูˆู‡ุงูŠ
825
01:20:46,480 --> 01:20:53,340
ู‡ุฐู‡ ุงู„ู„ูŠ ุนู†ุฏู†ุง ุทุจ ุฏู‡ ุฃุณุฃู„ูƒูˆุง ุณุคุงู„ ุงู„ู‚ูŠู…ุฉ ุงู„ู„ูŠ ุทู„ุนุช
826
01:20:53,340 --> 01:20:58,880
ุฅู† ู‡ุฐู‡ ุงุนุชู…ุฏุช ุนู„ู‰ ุงู„ูˆุงุญุฏ ุฃุซู†ุงุก ุงู„ุญุณุงุจุงุช ูˆู„ุง ู„ุงุŸ ุงู‡
827
01:20:58,880 --> 01:21:03,700
ุงุนุชู…ุฏุช ุงุนุชู…ุฏุช ู„ุฃู† ู‡ุฐู‡ ุงุนุชู…ุฏุช ุนู„ู‰ ุงู„ูˆุงุญุฏ ู‡ูŠู‡
828
01:21:03,700 --> 01:21:08,840
ูˆุงู„ุฃุฑุจุนุฉ ุฌู†ุจ ุญุณุจู†ุงู‡ุง ุจู‚ู‰ ุงู„ุณุจุนุฉ ูˆุงู„ุซู„ุงุซูŠู† ุฅุฐุง ุงุนุชู…ุฏุช
829
01:21:08,840 --> 01:21:12,880
ุนู„ูŠู‡ุง ุงู„ epsilon ุนู„ู‰ ุงู„ุณุจุนุฉ ูˆุงู„ุซู„ุงุซูŠู† ุงุนุชู…ุฏุช ุนู„ู‰ ู…ุงู… ุนู„ู‰
830
01:21:12,880 --> 01:21:17,000
ุงู„ูˆุงุญุฏ ุงู„ุขู† ุงู„ epsilon ุนู„ู‰ ุงู„ุณุจุนุฉ ูˆุงู„ุซู„ุงุซูŠู† ูŠู…ูƒู† ุชูƒูˆู†
831
01:21:17,000 --> 01:21:22,800
ุฃูƒุจุฑ ู…ู† ุงู„ูˆุงุญุฏ ูˆูŠู…ูƒู† ุชูƒูˆู† ุฃู‚ู„ ู…ู† ุงู„ูˆุงุญุฏ ู…ูŠู† ููŠู‡ู…
832
01:21:22,800 --> 01:21:26,040
ุฏู„ุชุงุŸ ุงู„ูˆุงุญุฏ ูˆุงู„ epsilon ุนู„ู‰ ุงู„ุณุจุนุฉ ูˆุงู„ุซู„ุงุซูŠู†
833
01:21:29,010 --> 01:21:32,330
ู…ู† ูˆุงุญุฏ ู„ู€ ุณุจุนุฉ ูˆุซู„ุงุซูŠู† ู…ู† ูˆุงุญุฏ ู„ู€ epsilon ุนู„ู‰ ุณุจุนุฉ
834
01:21:32,330 --> 01:21:34,370
ูˆุซู„ุงุซูŠู† ู…ู† ูˆุงุญุฏ ู„ู€ epsilon ุนู„ู‰ ุณุจุนุฉ
835
01:21:34,370 --> 01:21:34,390
ูˆ ุซู„ุงุซูŠู† ู…ู† ูˆุงุญุฏ ู„ ุฅุจุณ ู…ู† ุนู„ู‰ ุณุจุนุฉ ูˆ ุชู„ุงุชูŠู† ู…ู†
836
01:21:34,390 --> 01:21:35,030
ูˆุงุญุฏ ู„ู€ epsilon ุนู„ู‰ ุณุจุนุฉ ูˆ
837
01:21:35,030 --> 01:21:35,170
ุซู„ุงุซูŠู† ู…ู† ูˆุงุญุฏ ู„ู€ epsilon ุนู„ู‰ ุณุจุนุฉ ูˆ ุซู„ุงุซูŠู† ู…ู† ูˆุงุญุฏ
838
01:21:35,170 --> 01:21:36,490
ู„ู€ epsilon ุนู„ู‰ ุณุจุนุฉ ูˆ ุซู„ุงุซูŠู† ู…ู† ูˆุงุญุฏ ู„ู€ epsilon ุนู„ู‰
839
01:21:36,490 --> 01:21:38,110
ุณุจุนุฉ ูˆ ุซู„ุงุซูŠู† ู…ู† ูˆุงุญุฏ ู„ู€ epsilon ุนู„ู‰ ุณุจุนุฉ ูˆ ุซู„ุงุซูŠู†
840
01:21:38,110 --> 01:21:41,550
ู…ู† ูˆุงุญุฏ ู„ู€ epsilon ุนู„ู‰ ุณุจุนุฉ ูˆ ุซู„ุงุซูŠู† ู…ู† ูˆุงุญุฏ ู„ู€ epsilon
841
01:21:41,550 --> 01:21:47,150
ุนู„ู‰ ุณุจุนุฉ ูˆ ุซู„ุงุซูŠู† ู…ู† ูˆุงุญุฏ ู„ู€ epsilon ุนู„ู‰ ุณุจุนุฉ ูˆ
842
01:21:47,150 --> 01:21:53,930
ุซู„ุงุซูŠู† ู…ู† ูˆุงุญุฏ ู„ู€ epsilon
843
01:21:53,930 --> 01:21:57,020
ู…ู† delta ุจุฏุฃุช ุชุณุงูˆูŠ ูˆุงุญุฏุŒ ูˆุฅุฐุง ูƒุงู†ุช epsilon ู‡ูŠ
844
01:21:57,020 --> 01:22:00,200
epsilon ุนู„ู‰ ุณุจุนุฉ ูˆุซู„ุงุซูŠู† ูŠุจู‚ู‰ delta ุจุฏุฃุช ุชุณุงูˆูŠ
845
01:22:00,200 --> 01:22:03,980
epsilon ุนู„ู‰ ุณุจุนุฉ ูˆุซู„ุงุซูŠู†ุŒ ุงู„ู„ูŠ ูŠุจู‚ู‰ ู‡ู†ุง ุจู‚ูˆู„ู‡ ุฅุฐุง
846
01:22:03,980 --> 01:22:10,980
delta ุจุฏุฃุช ุชุณุงูˆูŠ minimum ุงู„ูˆุงุญุฏ ูˆุงู„ epsilon ุนู„ู‰ ุณุจุนุฉ
847
01:22:10,980 --> 01:22:17,080
ูˆุซู„ุงุซูŠู†ุŒ ูŠุนู†ูŠ ู‚ูŠู…ุชูŠู† ูˆู„ุง ู‚ูŠู…ุฉ ูˆุงุญุฏุฉุŸ ู‡ุฐุง minimum
848
01:22:17,080 --> 01:22:24,020
ุงู„ุตุบูŠุฑุฉ ููŠู‡ู…ุง ู‡ุฐุง minimum ุงู„ูˆุงุญุฏ ูˆุงู„ epsilon ุงู„ุตุบูŠุฑุฉ
849
01:22:24,020 --> 01:22:28,400
ููŠ ุงู„ุงุซู†ูŠู† ูŠุจู‚ู‰ ุงู„ุตุบูŠุฑุฉ ู‡ูŠ ุจุชูƒูˆู† main ู‚ูŠู…ุฉ ูŠุนู†ูŠ
850
01:22:28,400 --> 01:22:32,180
ุงู„ุตุบูŠุฑุฉ ุงู„ู‚ูŠู…ุชูŠู† ู„ูŠุด ุฅู† ุงู„ู€ epsilon ุฃู†ุง ู…ุด ุนุงุฑูู‡ุง ุจุณ
851
01:22:32,180 --> 01:22:36,400
ู„ูˆ ุนุงุฑูู‡ุง ุฑู‚ู…ุง ู…ุนูŠู†ุง ูŠุนู†ูŠ ุงูุชุฑุถ ู‚ุงู„ ู„ูŠ ููŠ ุงู„ุจุฏุงูŠุฉ
852
01:22:36,400 --> 01:22:42,250
given epsilon ุชุณุงูˆูŠ ุฎู…ุณูŠู† ุฎู…ุณูŠู† ุนู„ู‰ ุณุจุนุฉ ูˆุซู„ุงุซูŠู† ุฃูƒุจุฑ
853
01:22:42,250 --> 01:22:47,030
ู…ู† ูˆุญุฏุฉ ุตุญูŠุฉ ุฅุฐุง delta ุจุฏุฃุช ุชุณุงูˆูŠ ูˆุงุญุฏ ู…ุง ุฎู„ุงู„ ู„ูƒู†
854
01:22:47,030 --> 01:22:52,900
ู„ูˆ ูƒุงู†ุช epsilon ู‚ู„ูŠู„ุฉ ุนุดุฑูŠู† ุฃู‚ู„ ู…ู† ูˆุงุญุฏ ูŠุจู‚ู‰ delta
855
01:22:52,900 --> 01:22:57,340
ุจุฏู„ ุชุณุงูˆูŠ epsilon ุนู„ู‰ ุณุจุนุฉ ูˆุซู„ุงุซูŠู† ูˆู‡ูƒุฐุง ุชู…ุงู… ุทูŠุจ
856
01:22:57,340 --> 01:23:02,160
ู„ูƒู† ุฃุตู„ุง epsilon ุนู„ู‰ ุณุจุนุฉ ูˆุซู„ุงุซูŠู† ู„ู…ุง ุงุณุชุฎุฏู…ุช ุญุณุงุจ
857
01:23:02,160 --> 01:23:06,680
ุงุชู‡ู…ูŠู† ุงู„ูˆุงุญุฏ ุงู„ุตุญูŠุญ ุฎู„ูŠ ู‡ุฐู‡ ุงู„ู…ุนู„ูˆู…ุฉ ููŠ ุฏู…ุงุบูƒ ูˆ
858
01:23:06,680 --> 01:23:12,520
ุงู„ุขู† ุนู†ุฏ ุงู„ุชุญู‚ูŠู‚ ุจุฏู†ุง ู†ุจูŠู† ู‡ุฐุง ุงู„ูƒู„ุงู… ูŠุจู‚ู‰ ุจุงุฌูŠ
859
01:23:12,520 --> 01:23:13,940
ุจู‚ูˆู„ู‡ showing
860
01:23:22,960 --> 01:23:33,300
ุตูุฑ ุฃู‚ู„ ู…ู† X ู†ุงู‚ุต 3 ุฃู‚ู„ ู…ู† delta delta ุจุฏุฃ ุฃุฎุฏู‡ุง
861
01:23:33,300 --> 01:23:37,700
epsilon ุนู„ู‰ ุณุจุนุฉ ูˆุซู„ุงุซูŠู† ู„ุฃู†ู‡ุง ุงุนุชู…ุฏุช ุนู„ู‰ ู…ูŠู† ุนู†ุฏ
862
01:23:37,700 --> 01:23:43,960
ุญุณุงุจู‡ุง ุนู„ู‰ ู…ูŠู†ุŸ ุนู„ู‰ ุงู„ูˆุงุญุฏ implies ุฅู† ุงู„ู€ F of X
863
01:23:43,960 --> 01:23:49,560
ุงู„ู„ูŠ ู‡ูŠ ุงู„ู€ X ุชูƒุนูŠุจ ู†ุงู‚ุต ุณุจุนุฉ ูˆุนุดุฑูŠู† ุจุฏูŠ ุฃุซุจุช ุฅู†
864
01:23:49,560 --> 01:23:56,260
ู‡ุฐู‡ ุฃู‚ู„ ู…ู† ู…ูŠู†ุŸ ู…ู† ุงู„ epsilon ูŠุจู‚ู‰ ู‡ุฐู‡ ุชุณุงูˆูŠ ุงู„ู€ X ู†ุงู‚ุต
865
01:23:56,260 --> 01:24:03,660
ุชู„ุงุชุฉ ููŠ ุงู„ู€ X ุชุฑุจูŠุน ุฒุงุฆุฏ ุชู„ุงุชุฉ X ุฒุงุฆุฏ ุชุณุนุฉ ู‡ุฐู‡
866
01:24:03,660 --> 01:24:13,890
ุฃู‚ู„ ู…ู† delta ูˆู‡ุฐู‡ ุฃู‚ู„ ู…ู† ุณุจุนุฉ ูˆุซู„ุงุซูŠู† ุทูŠุจ delta
867
01:24:13,890 --> 01:24:17,570
ุนู†ุฏู†ุง ู„ูŠู‡ epsilon ุนู„ู‰ ุณุจุนุฉ ูˆุซู„ุงุซูŠู† ุงู„ู„ูŠ ู‡ูŠ ุจุฏู‡ุง
868
01:24:17,570 --> 01:24:24,010
ุชุณุงูˆูŠ epsilon ุนู„ู‰ ุณุจุนุฉ ูˆุซู„ุงุซูŠู† ููŠ ุณุจุนุฉ ูˆุซู„ุงุซูŠู†
869
01:24:24,010 --> 01:24:28,330
ูŠุจู‚ู‰ ู‡ุฐู‡ ุงู„ู„ูŠ ู‡ูŠ ุจุฏู‡ุง ุชุณุงูˆูŠ ู…ูŠู†ุŸ epsilon ูŠุจู‚ู‰ ู‡ุฐุง
870
01:24:28,330 --> 01:24:33,950
ุจุฏู‡ ูŠุนุทูŠูƒ ุฅู† ุงู„ู€ X ุชูƒุนูŠุจ ู†ุงู‚ุต ุณุจุนุฉ ูˆุนุดุฑูŠู† ุฃู‚ู„ ู…ู†
871
01:24:33,950 --> 01:24:40,170
ู…ูŠู†ุŸ ุฃู‚ู„ ู…ู† ุงู„ epsilon ูˆุจุงู„ุชุงู„ูŠ ุฑุงุญ limit
872
01:24:54,130 --> 01:25:01,180
ู‚ุจู„ ู‚ู„ูŠู„ ูˆุนุฏุชูƒู… ุจูˆุงุนุฏ ู„ู…ุง ุญู„ุช ุงู„ู…ุซุงู„ ููŠ ุงู„ู€ section
873
01:25:01,180 --> 01:25:05,400
ุงู„ุณุงุจู‚ ูƒุงู† limit X ููŠ sin 1 ุนู„ู‰ X ุซู… X ุชุฑูˆุญ ุนู„ู‰
874
01:25:05,400 --> 01:25:10,000
Zero ุซู… ุงุชู†ุงู‡ ูŠุณุงูˆูŠ Zero ุงู„ุขู† ุจูˆุงุณุทุฉ ู‡ุฐุง ุงู„ู€
875
01:25:10,000 --> 01:25:14,520
section ุจุฏู†ุง ู†ุซุจุช ูุนู„ุง ุฅู† ุงู„ู€ limit ู‡ุฐุง ูƒู…ุงู† ูŠุณุงูˆูŠ
876
01:25:14,520 --> 01:25:23,960
ู„ู‡ Zero ูŠุฑุฌุน ุจู†ุง ู†ูู‘ูŠุก ุจูˆุงุนุฏู†ุง ุงู„ุฐูŠ ูˆุนุฏู†ุงูƒู… ุฅูŠุงู‡ ู‡ูˆ
877
01:25:23,960 --> 01:25:26,280
ุงุนุชุจุฑ ู‡ุฐุง ุงู„ู…ุซุงู„ ุฑู‚ู… ุฃุฑุจุนุฉ
878
01:25:34,220 --> 01:25:43,480
ูŠุจู‚ู‰ ู…ุซุงู„ ูŠุจู‚ู‰
879
01:25:43,480 --> 01:25:50,240
ู…ุซุงู„ ูŠุจู‚ู‰ ู…ุซุงู„ ูŠุจู‚ู‰ ู…ุซุงู„ ูŠุจู‚ู‰ ู…ุซุงู„ ูŠุจู‚ู‰ ู…ุซู„ ู…ุซู„
880
01:25:50,240 --> 01:25:50,480
ู…ุซู„ ู…ุซู„ ู…ุซู„ ู…ุซู„ ู…ุซู„ ู…ุซู„ ู…ุซู„ ู…ุซู„ ู…ุซู„ ู…ุซู„ ู…ุซู„ ู…ุซู„
881
01:25:50,480 --> 01:25:50,520
ู…ุซู„ ู…ุซู„ ู…ุซู„ ู…ุซู„ ู…ุซู„ ู…ุซู„ ู…ุซู„ ู…ุซู„ ู…ุซู„ ู…ุซู„ ู…ุซู„ ู…ุซู„
882
01:25:50,520 --> 01:25:50,900
ู…ุซู„ ู…ุซู„ ู…ุซู„ ู…ุซู„ ู…ุซู„ ู…ุซู„ ู…ุซู„ ู…ุซู„ ู…ุซู„ ู…ุซู„ ู…ุซู„ ู…ุซู„
883
01:25:50,900 --> 01:25:58,620
ู…ุซู„ู…ุง ุงู„ู€ X ุจุฏุฃ ุชุฐู‡ุจ ู„ู„ู€ Zero ู„ู„ู€ X ููŠ ุงู„ู€ Sine
884
01:25:58,620 --> 01:26:04,080
ูˆุงุญุฏ ุนู„ู‰ X ูŠุณุงูˆูŠ Zero solution
885
01:26:04,080 --> 01:26:12,900
ุจุฑุถู‡
886
01:26:12,900 --> 01:26:17,280
ุจุฏุฃ ุฒูŠ ู…ุง ุจุฏุฃู†ุง ููŠ ุงู„ุฃู…ุซู„ุฉ ุงู„ุซู„ุงุซุฉ ุงู„ุณุงุจู‚ุฉ
887
01:26:28,940 --> 01:26:36,680
ุจุญูŠุซ ุฃู† 0 ุฃู‚ู„ ู…ู† X ู†ุงู‚ุต ุงู„ู€ Zero ุฃู‚ู„ ู…ู† Delta
888
01:26:45,550 --> 01:26:50,770
ูŠุจู‚ู‰ ุงู„ุทุฑู ุงู„ุดู…ุงู„ ุตูุฑ ุฃู‚ู„ ู…ู† absolute value ู„ู€ X
889
01:26:50,770 --> 01:26:56,550
ุฃู‚ู„ ู…ู† delta implies ู‡ุฐุง ู…ู† ุชุนุฑูŠู ุงู„ู€ absolute
890
01:26:56,550 --> 01:27:03,050
value ุจูŠุตูŠุฑ absolute value ู„ู€ X ููŠ absolute value ู„ู„ู€
891
01:27:03,050 --> 01:27:10,050
sin ูˆุงุญุฏ ุนู„ู‰ X ุฃู‚ู„ ู…ู† ู…ูŠู†ุŸ ุฃู‚ู„ ู…ู† ุงู„ epsilon ุฃูˆ
892
01:27:10,050 --> 01:27:18,790
ุฎู„ู‘ูŠู†ูŠ ุฃุนู…ู„ู‡ุง ุนู„ู‰ ุงู„ุดูƒู„ ุงู„ุชุงู„ูŠ ุฃู„ูŠุณุช ู‡ุฐู‡ ุฃู‚ู„ ู…ู†
893
01:27:18,790 --> 01:27:24,050
absolute value ู„ู€ X ููŠ ูˆุงุญุฏ ู„ุฃู† ุฃุนู„ู‰ ู‚ูŠู…ุฉ ุจูŠุงุฎุฏู‡ุง
894
01:27:24,050 --> 01:27:26,770
ุงู„ู€ absolute value ู„ู„ู€ sin ูˆุงุญุฏ ุนู„ู‰ X ู‡ูŠ ุงู„ูˆุงุญุฏุฉ ุงู„ุตุญูŠุญุฉ
895
01:27:26,770 --> 01:27:31,970
ุชู…ุงู… ูŠุจู‚ู‰ ู‡ุฐุง ุจูŠุตูŠุฑ absolute value ู„ู€ X ู„ู€ ูˆุงุญุฏ ู‡ุฐุง
896
01:27:31,970 --> 01:27:35,830
ุจุฏู‡ ูŠุณุงูˆูŠ absolute value ู„ู€ X ุงู„ู„ูŠ ู‡ูŠ ุฃู‚ู„ ู…ู† ู…ูŠู†ุŸ
897
01:27:35,830 --> 01:27:42,210
ุฃู‚ู„ ู…ู† ุงู„ู€ epsilon ุงุทู„ุน ู„ูŠ ู„ู„ู†ุชูŠุฌุฉ ู‡ุฐู‡ ูˆุงู„ู†ุชูŠุฌุฉ ุงู„ู„ูŠ
898
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‚ู‰
899
01:27:47,930 --> 01:27:55,510
ู‡ู†ุง ุณุงุฉ ุงู„ู€ delta ุชุณุงูˆูŠ ู…ูŠู†ุŸ epsilon itself ูƒูˆูŠุณ ู…ุงุฏุงู…
900
01:27:55,510 --> 01:28:02,790
ุทู„ุจู†ุง ู†ุชุฃูƒุฏ ุดุบู„ู†ุง ู‡ุฐุง ุตุญ ูˆู„ุง ู„ุฃ ูŠุจู‚ู‰ showing that
901
01:28:02,790 --> 01:28:05,950
ุฅู† delta works
902
01:28:11,880 --> 01:28:18,940
ุฃู‚ู„ ู…ู† ุงู„ู€ absolute value ู†ุงู‚ุต ุงู„ู€ zero ุฃู‚ู„ ู…ู† delta
903
01:28:18,940 --> 01:28:20,480
ูŠุจุฏุฃ ุชุณุงูˆูŠ epsilon
904
01:28:23,050 --> 01:28:28,370
absolute value ู„ู„ู€ X ููŠ ุงู„ู€ sin ูˆุงุญุฏ ุนู„ู‰ X ู†ุงู‚ุต
905
01:28:28,370 --> 01:28:33,490
ุงู„ู€ zero ุจุฏูŠ ุฃุซุจุช ุฅู† ู‡ุฐู‡ ุฃู‚ู„ ู…ู† ุงู„ู€ epsilon ุทูŠุจ ู‡ุฐู‡
906
01:28:33,490 --> 01:28:38,650
ุชุณุงูˆูŠ ู…ูŠู†ุŸ absolute value ู„ู„ู€ X absolute value ู„ู„ู€
907
01:28:38,650 --> 01:28:44,950
sin ูˆุงุญุฏ ุนู„ู‰ X ู…ุงู„ู‡ุง ู‡ุฐู‡ุŸ ุฃู‚ู„ ู…ู† ูˆู‚ุช ุชุณุงูˆูŠ
908
01:28:44,950 --> 01:28:51,890
absolute value ู„ู„ู€ X ููŠ ู…ู†ุŸ ููŠ ุงู„ูˆุงุญุฏ ุทูŠุจ ู‡ุฐู‡
909
01:28:51,890 --> 01:28:57,890
absolute value of X ู‡ูŠ ุนุจุงุฑุฉ ุนู† ู…ูŠู†ุŸ delta ูŠุจู‚ู‰ ู‡ุฐู‡
910
01:28:57,890 --> 01:29:05,960
ุฃู‚ู„ ู…ู† delta ููŠ ูˆุงุญุฏ delta ุจู‚ุฏุงุดุŸ ุจุงู„ epsilon ููŠ ูˆุงุญุฏ
911
01:29:05,960 --> 01:29:13,200
ุงู„ู„ูŠ ู‡ูˆ ุจุงู„ epsilon ูŠุจู‚ู‰ sin ุงู„ู„ูŠ ู‡ูˆ ุงู„ู€ X sin ูˆุงุญุฏ
912
01:29:13,200 --> 01:29:19,100
ุนู„ู‰ X ู†ุงู‚ุต ุงู„ู€ zero ุฃู‚ู„ ู…ู† ู…ูŠู†ุŸ ุฃู‚ู„ ู…ู† epsilon
913
01:29:19,100 --> 01:29:26,380
ูˆุจุงู„ุชุงู„ูŠ Thus ูˆูƒุฐุง limit ุงู„ู€ X ููŠ ุงู„ู€ sin ูˆุงุญุฏ ุนู„ู‰
914
01:29:26,380 --> 01:29:31,530
X ู„ู…ุง ุงู„ู€ X ุจุฏูŠ ุฑูˆุญ ู„ู„ู€ Zero ุจุชุณุงูˆูŠ ุงู„ู€ zero ูƒุฐู„ูƒ
915
01:29:31,530 --> 01:29:37,750
ูˆู‡ุฐุง ูŠุชูู‚ ู…ุน ุงู„ู†ุชูŠุฌุฉ ุงู„ู„ูŠ ุญุณุจู†ุงู‡ุง ู‚ุจู„ ุณุงุนุฉ ุฒู…ุงู†
916
01:29:37,750 --> 01:29:44,850
ุชู‚ุฑูŠุจุง ุงู„ู„ูŠ ู‡ูˆ ู†ู‡ุงูŠุฉ ุงู„ู€ section ุงู„ู…ุงุถูŠ ุทูŠุจ ุจู†ุญุงูˆู„
917
01:29:44,850 --> 01:29:52,670
ู†ุนุทูŠูƒู… ู…ุซุงู„ ุนุฏุฏูŠ ู†ุนุทูŠ ู‚ูŠู…ุฉ ู„ู€ epsilon ู†ุทู„ุจ ู‚ูŠู…ุฉ delta
918
01:29:52,670 --> 01:29:58,710
ู†ุนุทูŠูƒู… ุงู„ู€ ู†ุนุทูŠูƒู… ุงู„ุดุบู„ ุฒูŠ ู‡ูŠูƒ ูŠุจู‚ู‰ ุงูƒุชุจ ู„ูŠ ู…ุซุงู„
919
01:29:58,710 --> 01:30:15,950
ุฎู…ุณุฉ ุจูŠู‚ูˆู„
920
01:30:15,950 --> 01:30:26,910
ู„ูŠ f ุงู„ู€ f of X ูŠุณุงูˆูŠ X ุชุฑุจูŠุน ุฒุงุฆุฏ ุณุชุฉ X ุฒุงุฆุฏ ุฎู…ุณุฉ
921
01:30:26,910 --> 01:30:35,770
ุนู„ู‰ X ุฒุงุฆุฏ ุฎู…ุณุฉ ูˆุงู„ู€ X naught ูŠุณุงูˆูŠ ุณุงู„ุจ ุฎู…ุณุฉ and
922
01:30:35,770 --> 01:30:43,710
ุงู„ู€ epsilon ูŠุณุงูˆูŠ ุตูุฑ ูุงุตู„ุฉ ุตูุฑ ุฎู…ุณุฉ ูŠุนู†ูŠ ุฎู…ุณุฉ ู…ู† ู…ูŠุฉ
923
01:30:43,710 --> 01:30:47,390
fine ูˆุฌุฏู†ุง
924
01:30:48,400 --> 01:30:56,360
ู†ู…ุฑ ุงูŠู‡ ุจุฏูŠ limit f of x ู„ู…ุง ุงู„ู€ x ุจุฏูŠ ุฑูˆุญ ู„ู„ู€ x
925
01:30:56,360 --> 01:31:04,540
naught ู†ู…ุฑ ุจูŠ find delta
926
01:31:04,540 --> 01:31:13,240
ุงู„ู„ูŠ greater than zero such that ุจุญูŠุซ ู‡ูˆ ุฃู† ุงู„ู€
927
01:31:13,240 --> 01:31:22,600
ุตูุฑ ุฃู‚ู„ ู…ู† ุงู„ู€ X0 ุฃู‚ู„ ู…ู† delta implies ุฃู† ุงู„ู€ F of
928
01:31:22,600 --> 01:31:38,600
X ู†ุงู‚ุต ุงู„ู€ L ุฃู‚ู„ ู…ู† epsilon ุฎู„ูŠ
929
01:31:38,600 --> 01:31:39,060
ุจุงู„ูƒ ู‡ู†ุง
930
01:31:47,300 --> 01:31:53,900
ูŠุจู‚ู‰ ุงุญู†ุง ุจุฏู†ุง limit ู„ู„ู€ F of X ู„ู…ุง ุงู„ู€ X ุจุฏู‡ ูŠุฑูˆุญ
931
01:31:53,900 --> 01:31:59,680
ุงู„ู€ X ู†ุถู„ู‡ ู‚ุฏุงุดุŸ ุณุงู„ุจ ุฎู…ุณุฉ ูŠุจู‚ู‰ limit ู„ู…ุง ุงู„ู€ X ุจุฏู‡
932
01:31:59,680 --> 01:32:06,100
ูŠุฑูˆุญ ู„ูŠู‡ ุณุงู„ุจ ุฎู…ุณุฉ ู„ู…ู†ุŸ ู„ู€ X ุฒุงุฆุฏ ูˆุงุญุฏ ููŠ X ุฒุงุฆุฏ
933
01:32:06,100 --> 01:32:12,380
ุฎู…ุณุฉ ุนู„ู‰ X ุฒุงุฆุฏ ุฎู…ุณุฉ ุงู„ุณุคุงู„ ู‡ูˆ ู‡ู„ ุงู„ุฏุงู„ุฉ ู…ุนุฑูุฉ ุนู†ุฏ
934
01:32:12,380 --> 01:32:16,720
X ูŠุณุงูˆูŠ ุณุงู„ุจ ุฎู…ุณุฉุŸ ู„ุฃุŒ ู„ูƒู† ุงู„ู€ limit ู…ู…ูƒู† ุชูƒูˆู†
935
01:32:16,720 --> 01:32:21,240
ู…ูˆุฌูˆุฏุฉ ู…ุงู„ู‡ุงุด ุนู„ุงู‚ุฉ ุจุฏูŠ ุจู‚ูˆู„ู‡ ูƒูˆูŠุณ ูŠุจู‚ู‰ ุงู„ู‚ูˆุณ
936
01:32:21,240 --> 01:32:26,100
ู‡ุฐุง ุจุฏูŠ ุฑูˆุญ ู…ุน ุงู„ู‚ูˆุณ ู‡ุฐุง ุงู„ู†ุชูŠุฌุฉ ุงู„ู€ limit ู„ู…ุง ุงู„ู€
937
01:32:26,100 --> 01:32:33,630
X ุจุฏูŠ ุฑูˆุญ ู„ุณุงู„ุจ ุฎู…ุณุฉ ู„ู…ูŠู†ุŸ ู„ู„ู€ X ุฒุงุฆุฏ ูˆุงุญุฏ ุชู…ุงู…ุŸ
938
01:32:33,630 --> 01:32:38,090
ูŠุจู‚ู‰ ู‡ุฐุง ุงู„ูƒู„ุงู… ุชุนูˆูŠุถ ู…ุจุงุดุฑ ู„ุฃู†ู‡ุง Line ู†ุงู‚ุต ุฎู…ุณุฉ
939
01:32:38,090 --> 01:32:43,150
ุฒุงุฆุฏ ูˆุงุญุฏ ู…ุง ูŠุณุงูˆูŠ ู‚ุฏุงุดุŸ ุณุงู„ุจ ุฃุฑุจุนุฉ ู‡ุฐู‡ ุงู„ู„ูŠ ู‡ูŠ ุจู†ู‚ูˆู„
940
01:32:43,150 --> 01:32:49,370
ุนู„ูŠู‡ุง ุงู„ู„ูŠ ู…ุด ู…ุนุทุงุฉ ููˆู‚ ููŠ ุฑุฃุณ ุงู„ู…ุซู„ ูŠุจู‚ู‰ ุฃูˆู„ ุฎุทูˆุฉ
941
01:32:49,370 --> 01:32:55,180
ู†ู‚ู„ู‡ ุงู„ู€ limit ู‡ุฐุง ู†ุฌูŠ ู„ู†ู…ุฑ ุจูŠุจู‚ู‰ ุจูŠู† ู†ู…ุฑ ุจูŠ ูŠุจู‚ู‰ ู‡ุชู„ุงู‚ูŠ
942
01:32:55,180 --> 01:33:00,160
delta ุงู„ุฃูƒุจุฑ ู…ู† ุงู„ู€ zero ุจุญูŠุซ ุชูƒูˆู† ู‡ุฐู‡ ู…ุญู‚ู‚ุฉ ุจู‚ูˆู„
943
01:33:00,160 --> 01:33:06,680
ุจุณูŠุทุฉ ุฌุฏุง ูŠุจู‚ู‰ ุงุญู†ุง ุนู†ุฏู†ุง ุตูุฑ ุฃู‚ู„ ู…ู† ุงู„ู€ X ู†ุงู‚ุต ู…ุน
944
01:33:06,680 --> 01:33:14,690
ู†ุงู‚ุต ุจุงู„ุตุบูŠุฑ ุฒุงุฆุฏ ุฎู…ุณุฉ ู‡ุฐู‡ ุฃู‚ู„ ู…ู† delta implies ุฅู†
945
01:33:14,690 --> 01:33:20,590
ุงู„ู€ F of X ุตูุฑ ุงู„ู„ูŠ ู‡ูŠ ู…ูŠู†ุŸ ุจุนุฏ ุงุฎุชุตุงุฑุงุช X ุฒุงุฆุฏ ูˆุงุญุฏ
946
01:33:20,590 --> 01:33:27,910
ู†ุงู‚ุต ุงู„ู„ูŠ ู‡ูŠ L ุงู„ู„ูŠ ู‡ูŠ ุจู†ุงู‚ุต ุฃุฑุจุนุฉ ุชู…ุงู… ุฃู‚ู„ ู…ู†
947
01:33:27,910 --> 01:33:32,130
epsilon epsilon ู…ูˆุทู† ู‡ูˆ 005
948
01:33:33,350 --> 01:33:41,810
ุจู‚ูˆู„ ู‡ุฐุง ูŠุนู†ูŠ ุฅู† ุงู„ู€ X ุฒุงุฆุฏ ุฎู…ุณุฉ ุฃู‚ู„ ู…ู† ุตูุฑ ูุงุตู„ุฉ ุตูุฑ
949
01:33:41,810 --> 01:33:49,450
ุฎู…ุณุฉ ุทู„ุน ู„ู‡ู†ุง ูˆุทู„ุน ู„ู‡ู†ุง ูŠุจู‚ู‰ ู‡ุฐุง ุจุฏูŠ ุฃุนุทูŠูƒ ุฅู† delta
950
01:33:49,450 --> 01:33:56,420
ุชุณุงูˆูŠ ุงู„ epsilon ุชุณุงูˆูŠ ุตูุฑ ูุงุตู„ุฉ ุตูุฑ ุฎู…ุณุฉ ูŠุจู‚ู‰ ุจุฏู‡ delta
951
01:33:56,420 --> 01:34:01,880
ุฌุจู†ุงู„ู‡ delta ุฃุถุนู ุฃุฎุฑ ู†ู‚ุทุฉ ุตุบูŠุฑุฉ ููŠ ุงู„ู€ section
952
01:34:01,880 --> 01:34:16,860
ุงู„ู„ูŠ ูˆุนุฏู†ุงูƒู… ููŠู‡ุง ู‚ุจู„ ู‚ู„ูŠู„ ุขุฎุฑ
953
01:34:16,860 --> 01:34:21,720
ู†ู‚ุทุฉ ุจุชู‚ูˆู„ ู…ุง ูŠุฃุชูŠ ู‡ู†ูƒุชุจ ุนู„ูŠ ุงู„ุดูƒู„ ุงู„ุชุงู„ูŠ remark
954
01:34:30,060 --> 01:34:44,520
ุฅุฐุง ุฃุนุทุชู†ุง f of x ู†ุงู‚ุต ุงู„ู€ L ุฃู‚ู„ ู…ู† epsilon ุฅุฐุง ุฃุนุทุชู†ุง f of x ู†ุงู‚ุต
955
01:34:44,520 --> 01:34:48,220
ุงู„ู€ L ู†ุงู‚ุต ุงู„ู€ L ุฃู‚ู„ ู…ู† epsilon
956
01:34:57,280 --> 01:35:07,460
ุนู† ุงู„ู€ X node ุซู… ู†ุฃุฎุฐ
957
01:35:07,460 --> 01:35:19,820
delta ู„ูƒูŠ ุชูƒูˆู† ู†ุตู ุทูˆู„ ู†ุตู
958
01:35:19,820 --> 01:35:25,500
ุทูˆู„ interval
959
01:35:32,540 --> 01:35:47,640
but if it is not symmetric ุฅุฐุง ู„ู… ุชูƒู† ู…ุชู…ุงุซู„ุฉ
960
01:35:47,640 --> 01:35:53,380
about x0 about
961
01:35:53,380 --> 01:35:59,400
x0 we take delta we take
962
01:36:03,260 --> 01:36:15,020
delta to be we take it to be the distance from
963
01:36:15,020 --> 01:36:30,240
distance from x node to near endpoint near
964
01:36:30,240 --> 01:36:35,890
endpoint of the interval
965
01:37:00,980 --> 01:37:01,980
ู…ุงุฐุง ูŠูุนู„ุŸ
966
01:38:22,130 --> 01:38:27,130
ู…ุฑุฉ ุซุงู†ูŠุฉ ุจู†ู‚ูˆู„ ุฅุฐุง ุงู„ู€ absolute influence ู†ู‚ุต ุฅู„ุง
967
01:38:27,130 --> 01:38:31,310
ู‚ู„ุจูŠ ู…ุซู„ุง ุฃุนุทุชู†ูŠ interval symmetric about x node
968
01:38:31,310 --> 01:38:34,630
ุฒูŠ ุงู„ุฑุณู…ุฉ ุงู„ู„ูŠ ู‚ุจู„ ู‚ู„ูŠู„ ูƒุงู†ุช delta ุงู„ู„ูŠ ุนู„ู‰ ุงู„ูŠู…ูŠู†
969
01:38:34,630 --> 01:38:38,850
ุฒูŠ delta ุงู„ู„ูŠ ุนู„ู‰ ุงู„ุดู…ุงู„ ูŠุจู‚ู‰ ููŠ ู‡ุฐู‡ ุงู„ุญุงู„ุฉ ุจูŠู‚ูˆู„
970
01:38:38,850 --> 01:38:44,230
ุจู†ุงุฎุฏ delta ู‡ูˆ ู†ุต ุงู„ูุชุฑุฉ ูƒู„ู‡ุง ู…ู† x node ู†ุงู‚ุต delta
971
01:38:44,230 --> 01:38:49,510
ุฅู„ู‰ x node ุฒุงุฆุฏ delta ู„ูƒู† ุฅุฐุง ูƒุงู†ุช ุงู„ุฑุณู…ุฉ ู‡ู†ุง not
972
01:38:49,510 --> 01:38:54,490
symmetric about x node ู‡ูŠุทู„ุนุช ู‚ูŠู…ุฉ ู„ู€ delta
973
01:38:54,730 --> 01:38:58,450
ูˆู‡ูŠุทู„ุน ููŠ ู‚ูŠู…ุฉ ุซุงู†ูŠุฉ ู‡ู„ ุงู„ุงุซู†ูŠู† ุฏูˆู†ู‡ุง ุฏุฑุฌุฉ ุจุนุถุŸ
974
01:38:58,450 --> 01:39:02,990
ู„ุฃ ูŠุจู‚ู‰ ู…ุง ููŠุด ุชุณุงูˆูŠ ุจูŠู† ุงู„ุงุซู†ูŠู† ูู…ูŠู† ู…ู†ู‡ู… deltaุŸ
975
01:39:02,990 --> 01:3
1001
01:42:03,770 --> 01:42:09,690
ุซู„ุงุซุฉ ุฃุทุฑุงู ูŠุจู‚ู‰ ุชุณุนุฉ ุฃู‚ู„ ู…ู† x ู†ุงู‚ุต ุณุจุนุฉ ุฃู‚ู„ ู…ู†
1002
01:42:09,690 --> 01:42:15,090
ู…ูŠู† ู…ู† ุฎู…ุณุฉ ูˆุนุดุฑูŠู† ุถูŠู ุณุจุนุฉ ุนู„ู‰ ุซู„ุงุซุฉ ุฃุทุฑุงู ุจูŠุฑุซ
1003
01:42:15,090 --> 01:42:21,830
ุณุจุนุฉ ูˆุชุณุนุฉ ุณุชุงุดุฑ ุฃู‚ู„ ู…ู† x ุฃู‚ู„ ู…ู† ุงุซู†ูŠู† ูˆุซู„ุงุซูŠู†
1004
01:42:21,830 --> 01:42:28,130
ุชู…ุงู… ูŠุนู†ูŠ ู„ู…ุง ูŠูƒูˆู† ุนู†ุฏูŠ real line ูˆู‡ุฐู‡ ุงู„ู†ู‚ุทุฉ
1005
01:42:28,130 --> 01:42:33,630
ุงู„ู„ูŠ ู‡ูŠ ุซู„ุงุซุฉ ูˆุนุดุฑูŠู† ู‡ุฐู‡ ุงู„ู†ู‚ุทุฉ ุงู„ุณุงุฏุณุฉ ูˆู‡ุฐู‡
1006
01:42:33,630 --> 01:42:35,990
ุงู„ู†ู‚ุทุฉ ุงู„ุณุงุฏุณุฉ ูˆู‡ุฐู‡ ุงู„ู†ู‚ุทุฉ ุงู„ุณุงุฏุณุฉ ูˆู‡ุฐู‡ ุงู„ู†ู‚ุทุฉ
1007
01:42:35,990 --> 01:42:38,130
ุงู„ุณุงุฏุณุฉ ูˆู‡ุฐู‡ ุงู„ู†ู‚ุทุฉ ุณุชุฉ
1008
01:42:41,080 --> 01:42:46,980
ุจูŠู‚ูˆู„ ู‡ู†ุง Delta ู‡ูŠู‡ุง from X naught to near end
1009
01:42:46,980 --> 01:42:51,640
point of the interval ุฃูŠูˆุฉ ูŠุจู‚ู‰ Delta ู‡ูŠ ุงู„ู…ุณุงูุฉ
1010
01:42:51,640 --> 01:43:00,340
ู…ู† 16 ู„ู…ูŠู† ู„ 23 ู„ู…ูŠู† ู‡ูŠ ุงู„ุฃู‚ุฑุจ ุนู„ู‰ ุงู„ 23 ูŠุจู‚ู‰ ุจู†ุงุก
1011
01:43:00,340 --> 01:43:08,260
ุนู„ูŠู‡ ุตุฑุช ุงู„ X ู…ูˆุฌูˆุฏุฉ ู…ู† 16 ู„ุบุงูŠุฉ 32 ูŠุจู‚ู‰ ู‡ู†ุง sense
1012
01:43:09,280 --> 01:43:20,560
16 is the near point of X ูŠุณุงูˆูŠ ุซู„ุงุซุฉ ูˆุนุดุฑูŠู†
1013
01:43:31,910 --> 01:43:38,370
ูŠุจู‚ู‰ ุจุฏู†ุง ู…ู†ูƒ exercises ุงุซู†ูŠู† ุซู„ุงุซุฉ ูŠุจู‚ู‰ exercises
1014
01:43:38,370 --> 01:43:47,830
ุงุซู†ูŠู† ุซู„ุงุซุฉ ุงู„ู…ุณุงุฆู„ ุงู„ุชุงู„ูŠุฉ ุงู„ู„ูŠ ู‡ูˆ ู…ู† ูˆุงุญุฏ ู„ุชุณุนุฉ
1015
01:43:47,830 --> 01:43:56,610
ูˆุฃุฑุจุนูŠู† ุงู„ู‚ุฏุฑูˆุฒูŠุงุฏุฉ ุนู„ู‰ ุฐู„ูƒ ู…ู† ูˆุงุญุฏ ูˆุฎู…ุณูŠู† ู„ุบุงูŠุฉ
1016
01:43:56,610 --> 01:44:02,970
ุฃุฑุจุนุฉ ูˆุฎู…ุณูŠู† ูˆุงู†ุถูŠู ุนู„ูŠู‡ู… ู…ู† ุณุจุนุฉ ูˆุฎู…ุณูŠู† ู„ุบุงูŠุฉ
1017
01:44:02,970 --> 01:44:03,550
ุณุชูŠู†