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  1. data/json/2022/math.json +46 -0
  2. data/json/2022/math/answer_score_comment.json +278 -0
  3. data/json/2022/math/math_1.txt +9 -0
  4. data/json/2022/math/math_10.txt +9 -0
  5. data/json/2022/math/math_11.txt +13 -0
  6. data/json/2022/math/math_12.txt +21 -0
  7. data/json/2022/math/math_13.txt +9 -0
  8. data/json/2022/math/math_14.txt +19 -0
  9. data/json/2022/math/math_15.txt +31 -0
  10. data/json/2022/math/math_16.txt +1 -0
  11. data/json/2022/math/math_17.txt +1 -0
  12. data/json/2022/math/math_18.txt +7 -0
  13. data/json/2022/math/math_19.txt +1 -0
  14. data/json/2022/math/math_2.txt +9 -0
  15. data/json/2022/math/math_20.txt +8 -0
  16. data/json/2022/math/math_21.txt +9 -0
  17. data/json/2022/math/math_22.txt +8 -0
  18. data/json/2022/math/math_23_calc.txt +12 -0
  19. data/json/2022/math/math_23_geom.txt +9 -0
  20. data/json/2022/math/math_23_prob.txt +9 -0
  21. data/json/2022/math/math_24_calc.txt +13 -0
  22. data/json/2022/math/math_24_geom.txt +9 -0
  23. data/json/2022/math/math_24_prob.txt +9 -0
  24. data/json/2022/math/math_25_calc.txt +13 -0
  25. data/json/2022/math/math_25_geom.txt +15 -0
  26. data/json/2022/math/math_25_prob.txt +14 -0
  27. data/json/2022/math/math_26_calc.txt +12 -0
  28. data/json/2022/math/math_26_geom.txt +9 -0
  29. data/json/2022/math/math_26_prob.txt +9 -0
  30. data/json/2022/math/math_27_calc.txt +9 -0
  31. data/json/2022/math/math_27_geom.txt +9 -0
  32. data/json/2022/math/math_27_prob.txt +15 -0
  33. data/json/2022/math/math_28_calc.txt +15 -0
  34. data/json/2022/math/math_28_geom.txt +9 -0
  35. data/json/2022/math/math_28_prob.txt +14 -0
  36. data/json/2022/math/math_29_calc.txt +7 -0
  37. data/json/2022/math/math_29_geom.txt +14 -0
  38. data/json/2022/math/math_29_prob.txt +12 -0
  39. data/json/2022/math/math_3.txt +13 -0
  40. data/json/2022/math/math_30_calc.txt +11 -0
  41. data/json/2022/math/math_30_geom.txt +11 -0
  42. data/json/2022/math/math_30_prob.txt +15 -0
  43. data/json/2022/math/math_4.txt +13 -0
  44. data/json/2022/math/math_5.txt +16 -0
  45. data/json/2022/math/math_6.txt +9 -0
  46. data/json/2022/math/math_7.txt +9 -0
  47. data/json/2022/math/math_8.txt +9 -0
  48. data/json/2022/math/math_9.txt +15 -0
  49. data/json/2022/math/prompt.txt +52 -0
  50. data/json/2022/math_v1.json +46 -0
data/json/2022/math.json ADDED
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1
+ {"id": 1, "name": "1", "problem": "1. $\\left(2^{\\sqrt{3}} \\times 4\\right)^{\\sqrt{3} - 2}$ 의 값은? [2점] \\begin{itemize} \\item[1] \\frac{1}{4} \\item[2] \\frac{1}{2} \\item[3] 1 \\item[4] 2 \\item[5] 4 \\end{itemize}", "answer": 2, "score": 2, "review": null, "incomplete": false}
2
+ {"id": 2, "name": "2", "problem": "2. ν•¨μˆ˜ $f(x) = x^3 + 3x^2 + x - 1$ 에 λŒ€ν•˜μ—¬ $f'(1)$의 값은? [2점] \\begin{itemize} \\item[1] 6 \\item[2] 7 \\item[3] 8 \\item[4] 9 \\item[5] 10 \\end{itemize}", "answer": 5, "score": 2, "review": null, "incomplete": false}
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+ {"id": 3, "name": "3", "problem": "3. λ“±μ°¨μˆ˜μ—΄ $\\{a_n\\}$에 λŒ€ν•˜μ—¬ \\[ a_2 = 6, \\quad a_4 + a_6 = 36 \\] 일 λ•Œ, $a_{10}$의 값은? [3점] \\begin{itemize} \\item[1] 30 \\item[2] 32 \\item[3] 34 \\item[4] 36 \\item[5] 38 \\end{itemize}", "answer": 5, "score": 3, "review": null, "incomplete": false}
4
+ {"id": 4, "name": "4", "problem": "4. ν•¨μˆ˜ $( y = f(x) )$의 κ·Έλž˜ν”„κ°€ κ·Έλ¦Όκ³Ό κ°™λ‹€.\n\n\\[ \\lim_{x \\to -1-} f(x) + \\lim_{x \\to 2} f(x) \\text{의 값은? [3점]} \\]\n\n\\begin{itemize} \\item[1] 1 \\item[2] 2 \\item[3] 3 \\item[4] 4 \\item[5] 5 \\end{itemize}", "answer": 4, "score": 3, "review": "Removed figure and the statement referring to the figure. The figure is needed to solve the problem.", "incomplete": true}
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+ {"id": 5, "name": "5", "problem": "5. 첫째항이 1인 μˆ˜μ—΄ $\\{a_n\\}$이 λͺ¨λ“  μžμ—°μˆ˜ $n$에 λŒ€ν•˜μ—¬ \\[ a_{n+1} = \\begin{cases} 2a_n & (a_n < 7) \\\\ a_n - 7 & (a_n \\geq 7) \\end{cases} \\] 일 λ•Œ, $\\sum_{k=1}^{8} a_k$의 값은? [3점] \\begin{itemize} \\item[1] 30 \\item[2] 32 \\item[3] 34 \\item[4] 36 \\item[5] 38 \\end{itemize}", "answer": 1, "score": 3, "review": null, "incomplete": false}
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+ {"id": 6, "name": "6", "problem": "6. 방정식 $( 2x^3 - 3x^2 - 12x + k = 0 )$이 μ„œλ‘œ λ‹€λ₯Έ μ„Έ 싀근을 갖도둝 ν•˜λŠ” μ •μˆ˜ $k$의 κ°œμˆ˜λŠ”? [3점] \\begin{itemize} \\item[1] 20 \\item[2] 23 \\item[3] 26 \\item[4] 29 \\item[5] 32 \\end{itemize}", "answer": 3, "score": 3, "review": null, "incomplete": false}
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+ {"id": 7, "name": "7", "problem": "7. $( \\pi < \\theta < \\frac{3}{2}\\pi )$인 $\\theta$에 λŒ€ν•˜μ—¬ $\\tan \\theta - \\frac{6}{\\tan \\theta} = 1$일 λ•Œ, $ \\sin \\theta + \\cos \\theta $의 값은? [3점] \\begin{itemize} \\item[1] -\\frac{2\\sqrt{10}}{5} \\item[2] -\\frac{\\sqrt{10}}{5} \\item[3] 0 \\item[4] \\frac{\\sqrt{10}}{5} \\item[5] \\frac{2\\sqrt{10}}{5} \\end{itemize}", "answer": 1, "score": 3, "review": null, "incomplete": false}
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+ {"id": 8, "name": "8", "problem": "8. 곑선 $( y = x^2 - 5x )$와 직선 $( y = x )$둜 λ‘˜λŸ¬μ‹ΈμΈ λΆ€λΆ„μ˜ 넓이λ₯Ό 직선 $( x = k )$κ°€ 이등뢄할 λ•Œ, μƒμˆ˜ $k$의 값은? [3점] \\begin{itemize} \\item[1] 3 \\item[2] \\frac{13}{4} \\item[3] \\frac{7}{2} \\item[4] \\frac{15}{4} \\item[5] 4 \\end{itemize}", "answer": 1, "score": 3, "review": null, "incomplete": false}
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+ {"id": 9, "name": "9", "problem": "9. 직선 $( y = 2x + k )$ κ°€ 두 ν•¨μˆ˜ \\[ y = \\left( \\frac{2}{3} \\right)^{x+3} + 1, \\quad y = \\left( \\frac{2}{3} \\right)^{x+1} + \\frac{8}{3} \\] 의 κ·Έλž˜ν”„μ™€ λ§Œλ‚˜λŠ” 점을 각각 $( \\mathrm{P} )$, $( \\mathrm{Q} )$라 ν•˜μž. $\\overline{\\mathrm{PQ}} = \\sqrt{5}$일 λ•Œ, μƒμˆ˜ $k$의 값은? [4점] \\begin{itemize} \\item[1] \\frac{31}{6} \\item[2] \\frac{16}{3} \\item[3] \\frac{11}{2} \\item[4] \\frac{17}{3} \\item[5] \\frac{35}{6} \\end{itemize}", "answer": 4, "score": 4, "review": "Removed figure.", "incomplete": false}
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+ {"id": 10, "name": "10", "problem": "10. μ‚Όμ°¨ν•¨μˆ˜ $( f(x) )$에 λŒ€ν•˜μ—¬ 곑선 $( y = f(x) )$ μœ„μ˜ 점 $( 0, 0 )$μ—μ„œμ˜ μ ‘μ„ κ³Ό 곑선 $( y = x f(x) )$ μœ„μ˜ 점 $( 1, 2 )$μ—μ„œμ˜ 접선이 μΌμΉ˜ν•  λ•Œ, $f'(2)$의 값은? [4점] \\begin{itemize} \\item[1] -18 \\item[2] -17 \\item[3] -16 \\item[4] -15 \\item[5] -14 \\end{itemize}", "answer": 5, "score": 4, "review": null, "incomplete": false}
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+ {"id": 11, "name": "11", "problem": "11. μ–‘μˆ˜ $a$에 λŒ€ν•˜μ—¬ 집합 $\\left\\{ x \\ \\middle| \\ -\\frac{a}{2} < x \\leq a, \\ x \\neq \\frac{a}{2} \\right\\}$ μ—μ„œ μ •μ˜λœ ν•¨μˆ˜ \\[ f(x) = \\tan \\frac{\\pi x}{a} \\] κ°€ μžˆλ‹€. κ·Έλ¦Όκ³Ό 같이 ν•¨μˆ˜ $y = f(x)$의 κ·Έλž˜ν”„ μœ„μ˜ μ„Έ 점 $( \\mathrm{O, A, B} )$λ₯Ό μ§€λ‚˜λŠ” 직선이 μžˆλ‹€. 점 $( \\mathrm{A} )$λ₯Ό μ§€λ‚˜κ³  $x$좕에 ν‰ν–‰ν•œ 직선이 ν•¨μˆ˜ $y = f(x)$의 κ·Έλž˜ν”„μ™€ λ§Œλ‚˜λŠ” 점 쀑 $( \\mathrm{A} )$κ°€ μ•„λ‹Œ 점을 $( \\mathrm{C} )$라 ν•˜μž. μ‚Όκ°ν˜• $( \\mathrm{ABC} )$κ°€ μ •μ‚Όκ°ν˜•μΌ λ•Œ, μ‚Όκ°ν˜• $( \\mathrm{ABC} )$의 λ„“μ΄λŠ”? (단, $( \\mathrm{O} )$λŠ” 원점이닀.) [4점] \\begin{itemize} \\item[1] \\frac{3\\sqrt{3}}{2} \\item[2] \\frac{17\\sqrt{3}}{12} \\item[3] \\frac{4\\sqrt{3}}{3} \\item[4] \\frac{5\\sqrt{3}}{4} \\item[5] \\frac{7\\sqrt{3}}{6} \\end{itemize}", "answer": 3, "score": 4, "review": "Removed figure and the statement referring to the figure.", "incomplete": false}
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+ {"id": 12, "name": "12", "problem": "12. μ‹€μˆ˜ μ „μ²΄μ˜ μ§‘ν•©μ—μ„œ 연속인 ν•¨μˆ˜ $f(x)$κ°€ λͺ¨λ“  μ‹€μˆ˜ $x$에 λŒ€ν•˜μ—¬ \\[ \\{f(x)\\}^3 - \\{f(x)\\}^2 - x^2 f(x) + x^2 = 0 \\] 을 λ§Œμ‘±μ‹œν‚¨λ‹€. ν•¨μˆ˜ $f(x)$의 μ΅œλŒ“κ°’μ΄ 1이고 μ΅œμ†Ÿκ°’μ΄ 0일 λ•Œ, \\[ f\\left( -\\frac{4}{3} \\right) + f(0) + f\\left( \\frac{1}{2} \\right) \\] 의 값은? [4점] \\begin{itemize} \\item[1] \\frac{1}{2} \\item[2] 1 \\item[3] \\frac{3}{2} \\item[4] 2 \\item[5] \\frac{5}{2} \\end{itemize}", "answer": 3, "score": 4, "review": null, "incomplete": false}
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+ {"id": 13, "name": "13", "problem": "13. 두 μƒμˆ˜ $( a, b \\ (1 < a < b) )$에 λŒ€ν•˜μ—¬ μ’Œν‘œν‰λ©΄ μœ„μ˜ 두 점 $(a, \\log_2 a), \\ (b, \\log_2 b)$λ₯Ό μ§€λ‚˜λŠ” μ§μ„ μ˜ $y$절편과 두 점 $(a, \\log_4 a), \\ (b, \\log_4 b)$λ₯Ό μ§€λ‚˜λŠ” μ§μ„ μ˜ $y$절편이 κ°™λ‹€. ν•¨μˆ˜ $f(x) = a^{bx} + b^{ax}$에 λŒ€ν•˜μ—¬ $f(1) = 40$일 λ•Œ, $f(2)$의 값은? [4점] \\begin{itemize} \\item[1] 760 \\item[2] 800 \\item[3] 840 \\item[4] 880 \\item[5] 920 \\end{itemize}", "answer": 2, "score": 4, "review": null, "incomplete": false}
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+ {"id": 14, "name": "14", "problem": "14. μˆ˜μ§μ„  μœ„λ₯Ό μ›€μ§μ΄λŠ” 점 $\\mathrm{P}$의 μ‹œκ° $t$μ—μ„œμ˜ μœ„μΉ˜ $x(t)$κ°€ 두 μƒμˆ˜ $a$, $b$에 λŒ€ν•˜μ—¬ \\[ x(t) = t(t - 1)(at + b) \\quad (a \\neq 0) \\] 이닀. 점 $\\mathrm{P}$의 μ‹œκ° $t$μ—μ„œμ˜ 속도 $v(t)$κ°€ $\\int_0^1 |v(t)| \\, dt = 2$λ₯Ό λ§Œμ‘±μ‹œν‚¬ λ•Œ, μ•„λž˜ γ„±, γ„΄, γ„· μ€‘μ—μ„œ μ˜³μ€ κ²ƒλ§Œμ„ μžˆλŠ” λŒ€λ‘œ κ³ λ₯Έ 것은? [4점]\n\n\\begin{itemize} \\item[γ„±.] $\\int_0^1 v(t) \\, dt = 0$ \\item[γ„΄.] $|x(t_1)| > 1$인 $t_1$이 열린ꡬ간 $(0, 1)$에 μ‘΄μž¬ν•œλ‹€. \\item[γ„·.] $0 \\leq t \\leq 1$인 λͺ¨λ“  $t$에 λŒ€ν•˜μ—¬ $|x(t)| < 1$이면 $x(t_2) = 0$인 $t_2$κ°€ 열린ꡬ간 $(0, 1)$에 μ‘΄μž¬ν•œλ‹€. \\end{itemize}\n\n\\begin{itemize} \\item[1] γ„± \\item[2] γ„±, γ„΄ \\item[3] γ„±, γ„· \\item[4] γ„΄, γ„· \\item[5] γ„±, γ„΄, γ„· \\end{itemize}", "answer": 3, "score": 4, "review": "<보기> changed to 'μ•„λž˜ γ„±,γ„΄,γ„·, 쀑'", "incomplete": false}
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+ {"id": 15, "name": "15", "problem": "15. 두 점 $( \\mathrm{O}_1, \\mathrm{O}_2 )$λ₯Ό 각각 μ€‘μ‹¬μœΌλ‘œ ν•˜κ³  λ°˜μ§€λ¦„μ˜ 길이가 $(\\overline{\\mathrm{O}_1\\mathrm{O}_2} )$인 두 원 $( C_1, C_2 )$κ°€ μžˆλ‹€. κ·Έλ¦Όκ³Ό 같이 원 $( C_1 )$ μœ„μ˜ μ„œλ‘œ λ‹€λ₯Έ μ„Έ 점 $( \\mathrm{A}, \\mathrm{B}, \\mathrm{C} )$와 원 $( C_2 )$ μœ„μ˜ 점 $( \\mathrm{D} )$κ°€ μ£Όμ–΄μ Έ 있고, μ„Έ 점 $( \\mathrm{A}, \\mathrm{O}_1, \\mathrm{O}_2 )$와 μ„Έ 점 $( \\mathrm{C}, \\mathrm{O}_2, \\mathrm{D} )$κ°€ 각각 ν•œ 직선 μœ„μ— μžˆλ‹€.\n\nμ΄λ•Œ $(\\angle \\mathrm{B}\\mathrm{O}_1\\mathrm{A} = \\theta_1)$, $(\\angle \\mathrm{O}_2\\mathrm{O}_1\\mathrm{C} = \\theta_2)$, $(\\angle \\mathrm{O}_1\\mathrm{O}_2\\mathrm{D} = \\theta_3)$이라 ν•˜μž.\n\nλ‹€μŒμ€ $( \\overline{\\mathrm{A}\\mathrm{B}} : \\overline{\\mathrm{O}_1\\mathrm{D}} = 1 : 2\\sqrt{2} )$이고 $( \\theta_3 = \\theta_1 + \\theta_2 )$일 λ•Œ, μ„ λΆ„ $( \\mathrm{A}\\mathrm{B} )$와 μ„ λΆ„ $( \\mathrm{C}\\mathrm{D} )$의 길이의 λΉ„λ₯Ό κ΅¬ν•˜λŠ” 과정이닀.\n\n\\[ \\begin{aligned} &\\angle \\mathrm{C}\\mathrm{O}_2\\mathrm{O}_1 + \\angle \\mathrm{O}_1\\mathrm{O}_2\\mathrm{D} = \\pi \\text{μ΄λ―€λ‘œ } \\theta_3 = \\frac{\\pi}{2} + \\frac{\\theta_2}{2} \\text{이고} \\\\ &\\theta_3 = \\theta_1 + \\theta_2 \\text{μ—μ„œ } 2\\theta_1 + \\theta_2 = \\pi \\text{μ΄λ―€λ‘œ } \\angle \\mathrm{C}\\mathrm{O}_1\\mathrm{B} = \\theta_1 \\text{이닀.} \\\\ &\\text{μ΄λ•Œ } \\angle \\mathrm{O}_2\\mathrm{O}_1\\mathrm{B} = \\theta_1 + \\theta_2 = \\theta_3 \\text{μ΄λ―€λ‘œ μ‚Όκ°ν˜• } \\mathrm{O}_1\\mathrm{O}_2\\mathrm{B} \\text{와 μ‚Όκ°ν˜• } \\mathrm{O}_2\\mathrm{O}_1\\mathrm{D} \\text{λŠ” 합동이닀.} \\\\ &\\overline{\\mathrm{A}\\mathrm{B}} = k \\text{라 ν•  λ•Œ} \\\\ &\\overline{\\mathrm{B}\\mathrm{O}_2} = \\overline{\\mathrm{O}_1\\mathrm{D}}= 2\\sqrt{2}k \\text{μ΄λ―€λ‘œ } \\overline{\\mathrm{A}\\mathrm{O}_2} = \\text{(κ°€)이고,} \\\\ &\\angle \\mathrm{B}\\mathrm{O}_2\\mathrm{A} = \\frac{\\theta_1}{2} \\text{μ΄λ―€λ‘œ } \\cos \\frac{\\theta_1}{2} = \\text{(λ‚˜) 이닀.} \\\\ &\\text{μ‚Όκ°ν˜• } \\mathrm{O}_2\\mathrm{B}\\mathrm{C} \\text{μ—μ„œ} \\\\ &\\overline{\\mathrm{B}\\mathrm{C}} = k, \\overline{\\mathrm{B}\\mathrm{O}_2} = 2\\sqrt{2}k, \\angle \\mathrm{C}\\mathrm{O}_2\\mathrm{B} = \\frac{\\theta_1}{2} \\text{μ΄λ―€λ‘œ} \\\\ &\\text{코사인법칙에 μ˜ν•˜μ—¬ } \\overline{\\mathrm{O}_2\\mathrm{C}} = \\text{(λ‹€) 이닀.} \\\\ &\\overline{\\mathrm{C}\\mathrm{D}} = \\overline{\\mathrm{O}_2\\mathrm{D}} + \\overline{\\mathrm{O}_2\\mathrm{C}} = \\overline{\\mathrm{O}_1\\mathrm{O}_2} + \\overline{\\mathrm{O}_2\\mathrm{C}} \\text{μ΄λ―€λ‘œ} \\\\ &\\overline{\\mathrm{A}\\mathrm{B}} : \\overline{\\mathrm{C}\\mathrm{D}} = k : \\left(\\frac{\\text{(κ°€)}}{2} + \\text{(λ‹€)}\\right) \\text{이닀.} \\end{aligned} \\]\n\nμœ„μ˜ (κ°€), (λ‹€)에 μ•Œλ§žμ€ 식을 각각 $( f(k), g(k) )$라 ν•˜κ³ , (λ‚˜)에 μ•Œλ§žμ€ 수λ₯Ό $( p )$라 ν•  λ•Œ, $( f(p) \\times g(p) )$의 값은? [4점]\n\n\\begin{itemize} \\item[1] \\frac{169}{27} \\item[2] \\frac{56}{9} \\item[3] \\frac{167}{27} \\item[4] \\frac{166}{27} \\item[5] \\frac{55}{9} \\end{itemize}", "answer": 2, "score": 4, "review": "Removed figure and the statement referring to the figure.", "incomplete": false}
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+ {"id": 16, "name": "16", "problem": "16. $\\log_2 120 - \\frac{1}{\\log_{15} 2}$ 의 값을 κ΅¬ν•˜μ‹œμ˜€. [3점]", "answer": 3, "score": 3, "review": null, "incomplete": false}
17
+ {"id": 17, "name": "17", "problem": "17. ν•¨μˆ˜ $f(x)$에 λŒ€ν•˜μ—¬ $f'(x) = 3x^2 + 2x$이고 $f(0) = 2$일 λ•Œ, $f(1)$의 값을 κ΅¬ν•˜μ‹œμ˜€. [3점]", "answer": 4, "score": 3, "review": null, "incomplete": false}
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+ {"id": 18, "name": "18", "problem": "18. μˆ˜μ—΄ $\\{a_n\\}$에 λŒ€ν•˜μ—¬ \\[ \\sum_{k=1}^{10} a_k - \\sum_{k=1}^{7} \\frac{a_k}{2} = 56, \\quad \\sum_{k=1}^{10} 2a_k - \\sum_{k=1}^{8} a_k = 100 \\] 일 λ•Œ, $a_8$의 값을 κ΅¬ν•˜μ‹œμ˜€. [3점]", "answer": 12, "score": 3, "review": null, "incomplete": false}
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+ {"id": 19, "name": "19", "problem": "19. ν•¨μˆ˜ $f(x) = x^3 + ax^2 - (a^2 - 8a)x + 3$이 μ‹€μˆ˜ μ „μ²΄μ˜ μ§‘ν•©μ—μ„œ μ¦κ°€ν•˜λ„λ‘ ν•˜λŠ” μ‹€μˆ˜ $a$의 μ΅œλŒ“κ°’μ„ κ΅¬ν•˜μ‹œμ˜€. [3점]", "answer": 6, "score": 3, "review": null, "incomplete": false}
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+ {"id": 20, "name": "20", "problem": "20. μ‹€μˆ˜ μ „μ²΄μ˜ μ§‘ν•©μ—μ„œ λ―ΈλΆ„κ°€λŠ₯ν•œ ν•¨μˆ˜ $( f(x) )$κ°€ λ‹€μŒ 쑰건을 λ§Œμ‘±μ‹œν‚¨λ‹€.\n\n\\begin{itemize} \\item[(κ°€)] λ‹«νžŒκ΅¬κ°„ $[0, 1]$μ—μ„œ $f(x) = x$이닀. \\item[(λ‚˜)] μ–΄λ–€ μƒμˆ˜ $a, b$에 λŒ€ν•˜μ—¬ ꡬ간 $[0, \\infty)$μ—μ„œ $f(x+1) - x f(x) = ax + b$이닀. \\end{itemize}\n\n\\[ 60 \\times \\int_1^2 f(x) \\, dx \\] 의 값을 κ΅¬ν•˜μ‹œμ˜€. [4점]", "answer": 110, "score": 4, "review": null, "incomplete": false}
21
+ {"id": 21, "name": "21", "problem": "21. μˆ˜μ—΄ $\\{a_n\\}$이 λ‹€μŒ 쑰건을 λ§Œμ‘±μ‹œν‚¨λ‹€.\n\n\\begin{itemize} \\item[(κ°€)] $( |a_1| = 2 )$ \\item[(λ‚˜)] λͺ¨λ“  μžμ—°μˆ˜ $( n )$에 λŒ€ν•˜μ—¬ $( |a_{n+1}| = 2|a_n| )$이닀. \\item[(λ‹€)] $\\sum_{n=1}^{10} a_n = -14$ \\end{itemize}\n\n$a_1 + a_3 + a_5 + a_7 + a_9$의 값을 κ΅¬ν•˜μ‹œμ˜€. [4점]", "answer": 678, "score": 4, "review": null, "incomplete": false}
22
+ {"id": 22, "name": "22", "problem": "22. μ΅œκ³ μ°¨ν•­μ˜ κ³„μˆ˜κ°€ $\\frac{1}{2}$ 인 μ‚Όμ°¨ν•¨μˆ˜ $f(x)$와 μ‹€μˆ˜ $t$에 λŒ€ν•˜μ—¬ 방정식 $f'(x) = 0$이 λ‹«νžŒκ΅¬κ°„ $[t, t+2]$μ—μ„œ κ°–λŠ” μ‹€κ·Όμ˜ 개수λ₯Ό $g(t)$라 ν•  λ•Œ, ν•¨μˆ˜ $g(t)$λŠ” λ‹€μŒ 쑰건을 λ§Œμ‘±μ‹œν‚¨λ‹€.\n\n\\begin{itemize} \\item[(κ°€)] λͺ¨λ“  μ‹€μˆ˜ $( a )$에 λŒ€ν•˜μ—¬ $( \\lim_{t \\to a+} g(t) + \\lim_{t \\to a-} g(t) \\leq 2 )$이닀. \\item[(λ‚˜)] $( g(f(1)) = g(f(4)) = 2, \\ g(f(0)) = 1 )$ \\end{itemize}\n\n$f(5)$의 값을 κ΅¬ν•˜μ‹œμ˜€. [4점]", "answer": 9, "score": 4, "review": null, "incomplete": false}
23
+ {"id": 23, "name": "23_prob", "problem": "23. 닀항식 $(x+2)^7$의 μ „κ°œμ‹μ—μ„œ $x^5$의 κ³„μˆ˜λŠ”? [2점] \\begin{itemize} \\item[1] 42 \\item[2] 56 \\item[3] 70 \\item[4] 84 \\item[5] 98 \\end{itemize}", "answer": 4, "score": 2, "review": null, "incomplete": false}
24
+ {"id": 24, "name": "24_prob", "problem": "24. ν™•λ₯ λ³€μˆ˜ $X$κ°€ 이항뢄포 $\\mathrm{B}\\left(n, \\frac{1}{3}\\right)$을 λ”°λ₯΄κ³  $\\mathrm{V}(2X) = 40$일 λ•Œ, $n$의 값은? [3점] \\begin{itemize} \\item[1] 30 \\item[2] 35 \\item[3] 40 \\item[4] 45 \\item[5] 50 \\end{itemize}", "answer": 4, "score": 3, "review": null, "incomplete": false}
25
+ {"id": 25, "name": "25_prob", "problem": "25. λ‹€μŒ 쑰건을 λ§Œμ‘±μ‹œν‚€λŠ” μžμ—°μˆ˜ $a, \\ b, \\ c, \\ d, \\ e$의 λͺ¨λ“  μˆœμ„œμŒ $(a, b, c, d, e)$의 κ°œμˆ˜λŠ”? [3점]\n\n\\begin{itemize} \\item[(κ°€)] $a + b + c + d + e = 12$ \\item[(λ‚˜)] $\\left| a^2 - b^2 \\right| = 5$ \\end{itemize}\n\n\\begin{itemize} \\item[1] 30 \\item[2] 32 \\item[3] 34 \\item[4] 36 \\item[5] 38 \\end{itemize}", "answer": 1, "score": 3, "review": null, "incomplete": false}
26
+ {"id": 26, "name": "26_prob", "problem": "26. $( 1 )$λΆ€ν„° $( 10 )$κΉŒμ§€ μžμ—°μˆ˜κ°€ ν•˜λ‚˜μ”© μ ν˜€ μžˆλŠ” $( 10 )$μž₯의 μΉ΄λ“œκ°€ λ“€μ–΄ μžˆλŠ” μ£Όλ¨Έλ‹ˆκ°€ μžˆλ‹€. 이 μ£Όλ¨Έλ‹ˆμ—μ„œ μž„μ˜λ‘œ μΉ΄λ“œ $( 3 )$μž₯을 λ™μ‹œμ— κΊΌλ‚Ό λ•Œ, κΊΌλ‚Έ μΉ΄λ“œμ— μ ν˜€ μžˆλŠ” μ„Έ μžμ—°μˆ˜ μ€‘μ—μ„œ κ°€μž₯ μž‘μ€ μˆ˜κ°€ $( 4 )$ μ΄ν•˜μ΄κ±°λ‚˜ $( 7 )$ 이상일 ν™•λ₯ μ€? [3점]\n\n\\begin{itemize} \\item[1] \\frac{4}{5} \\item[2] \\frac{5}{6} \\item[3] \\frac{13}{15} \\item[4] \\frac{9}{10} \\item[5] \\frac{14}{15} \\end{itemize}", "answer": 3, "score": 3, "review": "Removed figure.", "incomplete": false}
27
+ {"id": 27, "name": "27_prob", "problem": "27. μ–΄λŠ μžλ™μ°¨ νšŒμ‚¬μ—μ„œ μƒμ‚°ν•˜λŠ” μ „κΈ° μžλ™μ°¨μ˜ 1회 μΆ©μ „ μ£Όν–‰ κ±°λ¦¬λŠ” 평균이 $m$이고 ν‘œμ€€νŽΈμ°¨κ°€ $\\sigma$인 μ •κ·œλΆ„ν¬λ₯Ό λ”°λ₯Έλ‹€κ³  ν•œλ‹€.\n\n이 μžλ™μ°¨ νšŒμ‚¬μ—μ„œ μƒμ‚°ν•œ μ „κΈ° μžλ™μ°¨ 100λŒ€λ₯Ό μž„μ˜μΆ”μΆœν•˜μ—¬ 얻은 1회 μΆ©μ „ μ£Όν–‰ 거리의 ν‘œλ³Έν‰κ· μ΄ $\\overline{x_1}$일 λ•Œ, λͺ¨ν‰κ·  $m$에 λŒ€ν•œ 신뒰도 95\\%의 신뒰ꡬ간이 $a \\le m \\le b$이닀.\n\n이 μžλ™μ°¨ νšŒμ‚¬μ—μ„œ μƒμ‚°ν•œ μ „κΈ° μžλ™μ°¨ 400λŒ€λ₯Ό μž„μ˜μΆ”μΆœν•˜μ—¬ 얻은 1회 μΆ©μ „ μ£Όν–‰ 거리의 ν‘œλ³Έν‰κ· μ΄ $\\overline{x_2}$일 λ•Œ, λͺ¨ν‰κ·  $m$에 λŒ€ν•œ 신뒰도 99\\%의 신뒰ꡬ간이 $c \\le m \\le d$이닀.\n\n$\\overline{x_1} - \\overline{x_2} = 1.34$이고 $a = c$일 λ•Œ, $b - a$의 값은? (단, μ£Όν–‰ 거리의 λ‹¨μœ„λŠ” km이고, $Z$κ°€ ν‘œμ€€μ •κ·œλΆ„ν¬λ₯Ό λ”°λ₯΄λŠ” ν™•λ₯ λ³€μˆ˜μΌ λ•Œ $\\mathrm{P}(|Z| \\le 1.96) = 0.95$, $\\mathrm{P}(|Z| \\le 2.58) = 0.99$둜 κ³„μ‚°ν•œλ‹€.) [3점]\n\n\\begin{itemize} \\item[1] 5.88 \\item[2] 7.84 \\item[3] 9.80 \\item[4] 11.76 \\item[5] 13.72 \\end{itemize}", "answer": 2, "score": 3, "review": null, "incomplete": false}
28
+ {"id": 28, "name": "28_prob", "problem": "28. 두 집합 $X = \\{1, 2, 3, 4, 5\\}$, $Y = \\{1, 2, 3, 4\\}$에 λŒ€ν•˜μ—¬ λ‹€μŒ 쑰건을 λ§Œμ‘±μ‹œν‚€λŠ” $X$μ—μ„œ $Y$둜의 ν•¨μˆ˜ $f$의 κ°œμˆ˜λŠ”? [4점]\n\n\\begin{itemize} \\item[(κ°€)] 집합 $X$의 λͺ¨λ“  μ›μ†Œ $x$에 λŒ€ν•˜μ—¬ $f(x) \\geq \\sqrt{x}$이닀. \\item[(λ‚˜)] ν•¨μˆ˜ $f$의 μΉ˜μ—­μ˜ μ›μ†Œμ˜ κ°œμˆ˜λŠ” 3이닀. \\end{itemize}\n\n\\begin{itemize} \\item[1] 128 \\item[2] 138 \\item[3] 148 \\item[4] 158 \\item[5] 168 \\end{itemize}", "answer": 1, "score": 4, "review": null, "incomplete": false}
29
+ {"id": 29, "name": "29_prob", "problem": "29. 두 연속확λ₯ λ³€μˆ˜ $( X )$와 $( Y )$κ°€ κ°–λŠ” κ°’μ˜ λ²”μœ„λŠ” $( 0 \\leq X \\leq 6 )$, $( 0 \\leq Y \\leq 6 )$이고, $( X )$와 $( Y )$의 ν™•λ₯ λ°€λ„ν•¨μˆ˜λŠ” 각각 $( f(x), g(x) )$이닀. ν™•λ₯ λ³€μˆ˜ $( X )$의 ν™•λ₯ λ°€λ„ν•¨μˆ˜ $( f(x) )$의 κ·Έλž˜ν”„λŠ” κ·Έλ¦Όκ³Ό κ°™λ‹€.\n\n\\[ 0 \\leq x \\leq 6\\ \\text{인 λͺ¨λ“  } x \\text{에 λŒ€ν•˜μ—¬} \\]\n\\[ f(x) + g(x) = k \\quad (k \\text{λŠ” μƒμˆ˜}) \\]\nλ₯Ό λ§Œμ‘±μ‹œν‚¬ λ•Œ, $( \\mathrm{P}(6k \\leq Y \\leq 15k) = \\frac{q}{p} )$이닀. $( p + q )$의 값을 κ΅¬ν•˜μ‹œμ˜€. (단, $( p )$와 $( q )$λŠ” μ„œλ‘œμ†ŒμΈ μžμ—°μˆ˜μ΄λ‹€.) [4점]", "answer": 31, "score": 4, "review": "Removed figure and the statement referring to the figure. The figure is needed to solve the problem.", "incomplete": true}
30
+ {"id": 30, "name": "30_prob", "problem": "30. 흰 곡과 검은 곡이 각각 10개 이상 λ“€μ–΄ μžˆλŠ” λ°”κ΅¬λ‹ˆμ™€ λΉ„μ–΄ μžˆλŠ” μ£Όλ¨Έλ‹ˆκ°€ μžˆλ‹€. ν•œ 개의 μ£Όμ‚¬μœ„λ₯Ό μ‚¬μš©ν•˜μ—¬ λ‹€μŒ μ‹œν–‰μ„ ν•œλ‹€.\n\n\\[ \\begin{array}{|c|} \\hline \\text{μ£Όμ‚¬μœ„λ₯Ό ν•œ 번 던져} \\\\ \\text{λ‚˜μ˜¨ 눈의 μˆ˜κ°€ 5 이상이면} \\\\ \\text{λ°”κ΅¬λ‹ˆμ— μžˆλŠ” 흰 곡 2개λ₯Ό μ£Όλ¨Έλ‹ˆμ— λ„£κ³ ,} \\\\ \\text{λ‚˜μ˜¨ 눈의 μˆ˜κ°€ 4 μ΄ν•˜μ΄λ©΄} \\\\ \\text{λ°”κ΅¬λ‹ˆμ— μžˆλŠ” 검은 곡 1개λ₯Ό μ£Όλ¨Έλ‹ˆμ— λ„£λŠ”λ‹€.} \\\\ \\hline \\end{array} \\]\n\nμœ„μ˜ μ‹œν–‰μ„ 5번 λ°˜λ³΅ν•  λ•Œ, $( n(1 \\leq n \\leq 5) )$번째 μ‹œν–‰ ν›„ μ£Όλ¨Έλ‹ˆμ— λ“€μ–΄ μžˆλŠ” 흰 곡과 검은 곡의 개수λ₯Ό 각각 $( a_n )$, $( b_n )$이라 ν•˜μž. $( a_5 + b_5 \\geq 7 )$일 λ•Œ, $( a_k = b_k )$인 μžμ—°μˆ˜ $( k(1 \\leq k \\leq 5) )$κ°€ μ‘΄μž¬ν•  ν™•λ₯ μ„ $( \\frac{q}{p} )$이닀. $( p + q )$의 값을 κ΅¬ν•˜μ‹œμ˜€. (단, $(p)$와 $(q)$λŠ” μ„œλ‘œμ†ŒμΈ μžμ—°μˆ˜μ΄λ‹€.) [4점]", "answer": 191, "score": 4, "review": null, "incomplete": false}
31
+ {"id": 31, "name": "23_calc", "problem": "23. \\[ \\lim_{n \\to \\infty} \\frac{\\frac{5}{n} + \\frac{3}{n^2}}{\\frac{1}{n} - \\frac{2}{n^3}} \\text{의 값은? [2점]} \\] \\begin{itemize} \\item[1] 1 \\item[2] 2 \\item[3] 3 \\item[4] 4 \\item[5] 5 \\end{itemize}", "answer": 5, "score": 2, "review": null, "incomplete": false}
32
+ {"id": 32, "name": "24_calc", "problem": "24. μ‹€μˆ˜ μ „μ²΄μ˜ μ§‘ν•©μ—μ„œ λ―ΈλΆ„κ°€λŠ₯ν•œ ν•¨μˆ˜ $f(x)$κ°€ λͺ¨λ“  μ‹€μˆ˜ $x$에 λŒ€ν•˜μ—¬ \\[ f(x^3 + x) = e^x \\] 을 λ§Œμ‘±μ‹œν‚¬ λ•Œ, $f'(2)$의 값은? [3점] \\begin{itemize} \\item[1] e \\item[2] \\frac{e}{2} \\item[3] \\frac{e}{3} \\item[4] \\frac{e}{4} \\item[5] \\frac{e}{5} \\end{itemize}", "answer": 4, "score": 3, "review": null, "incomplete": false}
33
+ {"id": 33, "name": "25_calc", "problem": "25. λ“±λΉ„μˆ˜μ—΄ $\\{a_n\\}$에 λŒ€ν•˜μ—¬ \\[ \\sum_{n=1}^{\\infty} (a_{2n-1} - a_{2n}) = 3, \\quad \\sum_{n=1}^{\\infty} a_n^2 = 6 \\] 일 λ•Œ, $\\sum_{n=1}^{\\infty} a_n$ 의 값은? [3점] \\begin{itemize} \\item[1] 1 \\item[2] 2 \\item[3] 3 \\item[4] 4 \\item[5] 5 \\end{itemize}", "answer": 2, "score": 3, "review": null, "incomplete": false}
34
+ {"id": 34, "name": "26_calc", "problem": "26. \\[ \\lim_{n \\to \\infty} \\sum_{k=1}^{n} \\frac{k^2 + 2kn}{k^3 + 3k^2 n + n^3} \\text{의 값은?} \\quad [3 \\text{점}] \\] \\begin{itemize} \\item[1] \\ln 5 \\item[2] \\frac{\\ln 5}{2} \\item[3] \\frac{\\ln 5}{3} \\item[4] \\frac{\\ln 5}{4} \\item[5] \\frac{\\ln 5}{5} \\end{itemize}", "answer": 3, "score": 3, "review": null, "incomplete": false}
35
+ {"id": 35, "name": "27_calc", "problem": "27. μ’Œν‘œν‰λ©΄ μœ„λ₯Ό μ›€μ§μ΄λŠ” 점 $\\mathrm{P}$의 μ‹œκ° $t \\ (t>0)$μ—μ„œμ˜ μœ„μΉ˜κ°€ 곑선 $y = x^2$κ³Ό 직선 $y = t^2 x - \\frac{\\ln t}{8}$κ°€ λ§Œλ‚˜λŠ” μ„œλ‘œ λ‹€λ₯Έ 두 점의 쀑점일 λ•Œ, μ‹œκ° $t=1$μ—μ„œ $t=e$κΉŒμ§€ 점 $\\mathrm{P}$κ°€ 움직인 κ±°λ¦¬λŠ”? [3점] \\begin{itemize} \\item[1] \\frac{e^4}{2} - \\frac{3}{8} \\item[2] \\frac{e^4}{2} - \\frac{5}{16} \\item[3] \\frac{e^4}{2} - \\frac{1}{4} \\item[4] \\frac{e^4}{2} - \\frac{3}{16} \\item[5] \\frac{e^4}{2} - \\frac{1}{8} \\end{itemize}", "answer": 1, "score": 3, "review": null, "incomplete": false}
36
+ {"id": 36, "name": "28_calc", "problem": "28. ν•¨μˆ˜ $( f(x) = 6\\pi (x - 1)^2 )$에 λŒ€ν•˜μ—¬ ν•¨μˆ˜ $( g(x) )$λ₯Ό \\[ g(x) = 3f(x) + 4\\cos f(x) \\] 라 ν•˜μž. $( 0 < x < 2 )$μ—μ„œ ν•¨μˆ˜ $( g(x) )$κ°€ κ·Ήμ†Œκ°€ λ˜λŠ” $( x )$의 κ°œμˆ˜λŠ”? [4점] \\begin{itemize} \\item[1] 6 \\item[2] 7 \\item[3] 8 \\item[4] 9 \\item[5] 10 \\end{itemize}", "answer": 2, "score": 4, "review": null, "incomplete": false}
37
+ {"id": 37, "name": "29_calc", "problem": "29. κ·Έλ¦Όκ³Ό 같이 길이가 2인 μ„ λΆ„ $(\\mathrm{AB})$λ₯Ό μ§€λ¦„μœΌλ‘œ ν•˜λŠ” λ°˜μ›μ΄ μžˆλ‹€. 호 $(\\mathrm{AB})$ μœ„μ— 두 점 $(\\mathrm{P})$, $(\\mathrm{Q})$λ₯Ό $(\\angle \\mathrm{PAB} = \\theta)$, $(\\angle \\mathrm{QBA} = 2\\theta)$κ°€ λ˜λ„λ‘ 작고, 두 μ„ λΆ„ $(\\mathrm{AP})$, $(\\mathrm{BQ})$의 ꡐ점을 $(\\mathrm{R})$라 ν•˜μž. μ„ λΆ„ $(\\mathrm{AB})$ μœ„μ˜ 점 $(\\mathrm{S})$, μ„ λΆ„ $(\\mathrm{BR})$ μœ„μ˜ 점 $(\\mathrm{T})$, μ„ λΆ„ $(\\mathrm{AR})$ μœ„μ˜ 점 $(\\mathrm{U})$λ₯Ό μ„ λΆ„ $(\\mathrm{UT})$κ°€ μ„ λΆ„ $(\\mathrm{AB})$에 ν‰ν–‰ν•˜κ³  μ‚Όκ°ν˜• $(\\mathrm{STU})$κ°€ μ •μ‚Όκ°ν˜•μ΄ λ˜λ„λ‘ μž‘λŠ”λ‹€. 두 μ„ λΆ„ $(\\mathrm{AR})$, $(\\mathrm{QR})$와 호 $(\\mathrm{AQ})$둜 λ‘˜λŸ¬μ‹ΈμΈ λΆ€λΆ„μ˜ 넓이λ₯Ό $(f(\\theta))$, μ‚Όκ°ν˜• $(\\mathrm{STU})$의 넓이λ₯Ό $(g(\\theta))$라 ν•  λ•Œ,\n\\[ \\lim_{\\theta \\to 0+} \\frac{g(\\theta)}{\\theta \\times f(\\theta)} = \\frac{q}{p} \\sqrt{3} \\]\n이닀. $(p + q)$의 값을 κ΅¬ν•˜μ‹œμ˜€.\n\n(단, $(0 < \\theta < \\frac{\\pi}{6})$이고, $(p)$와 $(q)$λŠ” μ„œλ‘œμ†ŒμΈ μžμ—°μˆ˜μ΄λ‹€.) [4점]", "answer": 11, "score": 4, "review": "Removed figure and the statement referring to the figure.", "incomplete": false}
38
+ {"id": 38, "name": "30_calc", "problem": "30. μ‹€μˆ˜ μ „μ²΄μ˜ μ§‘ν•©μ—μ„œ μ¦κ°€ν•˜κ³  λ―ΈλΆ„κ°€λŠ₯ν•œ ν•¨μˆ˜ $f(x)$κ°€ λ‹€μŒ 쑰건을 λ§Œμ‘±μ‹œν‚¨λ‹€.\n\n\\begin{itemize} \\item[(κ°€)] $f(1) = 1$, \\quad $\\int_{1}^{2} f(x) \\, dx = \\frac{5}{4}$ \\item[(λ‚˜)] ν•¨μˆ˜ $f(x)$의 μ—­ν•¨μˆ˜λ₯Ό $g(x)$라 ν•  λ•Œ, $x \\geq 1$인 λͺ¨λ“  μ‹€μˆ˜ $x$에 λŒ€ν•˜μ—¬ $g(2x) = 2f(x)$이닀. \\end{itemize}\n\n\\[ \\int_{1}^{8} x f'(x) \\, dx = \\frac{q}{p} \\text{일 λ•Œ, } p+q \\text{의 값을 κ΅¬ν•˜μ‹œμ˜€.} \\]\n(단, $p$와 $q$λŠ” μ„œλ‘œμ†ŒμΈ μžμ—°μˆ˜μ΄λ‹€.) [4점]", "answer": 143, "score": 4, "review": null, "incomplete": false}
39
+ {"id": 39, "name": "23_geom", "problem": "23. μ’Œν‘œκ³΅κ°„μ˜ 점 $\\mathrm{A}(2, 1, 3)$을 $xy$ 평면에 λŒ€ν•˜μ—¬ λŒ€μΉ­μ΄λ™ν•œ 점을 $\\mathrm{P}$라 ν•˜κ³ , 점 $\\mathrm{A}$λ₯Ό $yz$ 평면에 λŒ€ν•˜μ—¬ λŒ€μΉ­μ΄λ™ν•œ 점을 $\\mathrm{Q}$라 ν•  λ•Œ, μ„ λΆ„ $\\mathrm{PQ}$의 κΈΈμ΄λŠ”? [2점]\n\n\\begin{itemize} \\item[1] 5 \\sqrt{2} \\item[2] 2 \\sqrt{13} \\item[3] 3 \\sqrt{6} \\item[4] 2 \\sqrt{14} \\item[5] 2 \\sqrt{15} \\end{itemize}", "answer": 2, "score": 2, "review": null, "incomplete": false}
40
+ {"id": 40, "name": "24_geom", "problem": "24. ν•œ 초점의 μ’Œν‘œκ°€ $\\left( 3\\sqrt{2}, 0 \\right)$ 인 μŒκ³‘μ„  $\\frac{x^2}{a^2} - \\frac{y^2}{6} = 1$ 의 μ£ΌμΆ•μ˜ κΈΈμ΄λŠ”? (단, $a$ λŠ” μ–‘μˆ˜μ΄λ‹€.) [3점]\n\n\\begin{itemize} \\item[1] 3\\sqrt{3} \\item[2] \\frac{7\\sqrt{3}}{2} \\item[3] 4\\sqrt{3} \\item[4] \\frac{9\\sqrt{3}}{2} \\item[5] 5\\sqrt{3} \\end{itemize}", "answer": 3, "score": 3, "review": null, "incomplete": false}
41
+ {"id": 41, "name": "25_geom", "problem": "25. μ’Œν‘œν‰λ©΄μ—μ„œ 두 직선 \\[ \\frac{x+1}{2} = y - 3, \\quad x - 2 = \\frac{y - 5}{3} \\] κ°€ μ΄λ£¨λŠ” 예각의 크기λ₯Ό $\\theta$라 ν•  λ•Œ, $\\cos \\theta$의 값은? [3점]\n\n\\begin{itemize} \\item[1] \\frac{1}{2} \\item[2] \\frac{\\sqrt{5}}{4} \\item[3] \\frac{\\sqrt{6}}{4} \\item[4] \\frac{\\sqrt{7}}{4} \\item[5] \\frac{\\sqrt{2}}{2} \\end{itemize}", "answer": 5, "score": 3, "review": null, "incomplete": false}
42
+ {"id": 42, "name": "26_geom", "problem": "26. 두 초점이 $( \\mathrm{F}, \\mathrm{F'} )$인 타원 $\\frac{x^2}{64} + \\frac{y^2}{16} = 1$ μœ„μ˜ 점 쀑 제1사뢄면에 μžˆλŠ” 점 $( \\mathrm{A} )$κ°€ μžˆλ‹€. 두 직선 $( \\mathrm{AF}, \\mathrm{AF'} )$에 λ™μ‹œμ— μ ‘ν•˜κ³  쀑심이 $y$μΆ• μœ„μ— μžˆλŠ” 원 쀑 μ€‘μ‹¬μ˜ $y$μ’Œν‘œκ°€ 음수인 것을 $( C )$라 ν•˜μž. 원 $( C )$의 쀑심을 $( \\mathrm{B} )$라 ν•  λ•Œ μ‚¬κ°ν˜• $( \\mathrm{AFBF'} )$의 넓이가 72이닀. 원 $( C )$의 λ°˜μ§€λ¦„μ˜ κΈΈμ΄λŠ”? [3점]\n\n\\begin{itemize} \\item[1] \\frac{17}{2} \\item[2] 9 \\item[3] \\frac{19}{2} \\item[4] 10 \\item[5] \\frac{21}{2} \\end{itemize}", "answer": 2, "score": 3, "review": "Removed figure.", "incomplete": false}
43
+ {"id": 43, "name": "27_geom", "problem": "27. κ·Έλ¦Όκ³Ό 같이 ν•œ λͺ¨μ„œλ¦¬μ˜ 길이가 4인 μ •μœ‘λ©΄μ²΄ $\\mathrm{ABCD - EFGH}$ κ°€ μžˆλ‹€. μ„ λΆ„ $\\mathrm{AD}$ 의 쀑점을 $\\mathrm{M}$이라 ν•  λ•Œ, μ‚Όκ°ν˜• $\\mathrm{MEG}$ 의 λ„“μ΄λŠ”? [3점]\n\n\\begin{itemize} \\item[1] \\frac{21}{2} \\item[2] 11 \\item[3] \\frac{23}{2} \\item[4] 12 \\item[5] \\frac{25}{2} \\end{itemize}", "answer": 4, "score": 3, "review": "Removed figure and the statement referring to the figure.", "incomplete": false}
44
+ {"id": 44, "name": "28_geom", "problem": "28. 두 μ–‘μˆ˜ $( a )$, $( p )$에 λŒ€ν•˜μ—¬ 포물선 $( (y - a)^2 = 4px )$의 μ΄ˆμ μ„ $( \\mathrm{F}_1 )$이라 ν•˜κ³ , 포물선 $( y^2 = -4x )$의 μ΄ˆμ μ„ $( \\mathrm{F}_2 )$라 ν•˜μž. μ„ λΆ„ $( \\mathrm{F}_1 \\mathrm{F}_2 )$κ°€ 두 포물선과 λ§Œλ‚˜λŠ” 점을 각각 $( \\mathrm{P} )$, $( \\mathrm{Q} )$라 ν•  λ•Œ, $( \\overline{\\mathrm{F}_1 \\mathrm{F}_2} = 3 )$, $( \\overline{\\mathrm{P}\\mathrm{Q}} = 1 )$이닀. $( a^2 + p^2 )$의 값은? [4점]\n\n\\begin{itemize} \\item[1] 6 \\item[2] \\frac{25}{4} \\item[3] \\frac{13}{2} \\item[4] \\frac{27}{4} \\item[5] 7 \\end{itemize}", "answer": 5, "score": 4, "review": "Removed figure.", "incomplete": false}
45
+ {"id": 45, "name": "29_geom", "problem": "29. μ’Œν‘œν‰λ©΄μ—μ„œ $\\overline{\\mathrm{OA}} = \\sqrt{2}$, $\\overline{\\mathrm{OB}} = 2\\sqrt{2}$이고\n\\[ \\cos(\\angle \\mathrm{AOB}) = \\frac{1}{4} \\]\n인 ν‰ν–‰μ‚¬λ³€ν˜• $\\mathrm{OACB}$에 λŒ€ν•˜μ—¬ 점 $\\mathrm{P}$κ°€ λ‹€μŒ 쑰건을 λ§Œμ‘±μ‹œν‚¨λ‹€.\n\n\\begin{itemize} \\item[(κ°€)] $\\overrightarrow{\\mathrm{OP}} = s \\overrightarrow{\\mathrm{OA}} + t \\overrightarrow{\\mathrm{OB}} \\quad (0 \\leq s \\leq 1, \\ 0 \\leq t \\leq 1)$ \\item[(λ‚˜)] $\\overrightarrow{\\mathrm{OP}} \\cdot \\overrightarrow{\\mathrm{OB}} + \\overrightarrow{\\mathrm{BP}} \\cdot \\overrightarrow{\\mathrm{BC}} = 2$ \\end{itemize}\n\n점 $\\mathrm{O}$λ₯Ό μ€‘μ‹¬μœΌλ‘œ ν•˜κ³  점 $\\mathrm{A}$λ₯Ό μ§€λ‚˜λŠ” 원 μœ„λ₯Ό μ›€μ§μ΄λŠ” 점 $\\mathrm{X}$에 λŒ€ν•˜μ—¬ $|3\\overrightarrow{\\mathrm{OP}} - \\overrightarrow{\\mathrm{OX}}|$의 μ΅œλŒ“κ°’κ³Ό μ΅œμ†Ÿκ°’μ„ 각각 $M$, $m$이라 ν•˜μž. $M \\times m = a\\sqrt{6} + b$일 λ•Œ, $a^2 + b^2$의 값을 κ΅¬ν•˜μ‹œμ˜€. (단, $a$와 $b$λŠ” μœ λ¦¬μˆ˜μ΄λ‹€.) [4점]", "answer": 100, "score": 4, "review": "Removed figure.", "incomplete": false}
46
+ {"id": 46, "name": "30_geom", "problem": "30. μ’Œν‘œκ³΅κ°„μ— 쀑심이 $\\mathrm{C}(2, \\sqrt{5}, 5)$이고 점 $\\mathrm{P}(0, 0, 1)$을 μ§€λ‚˜λŠ” ꡬ \\[ S: (x - 2)^2 + (y - \\sqrt{5})^2 + (z - 5)^2 = 25 \\] κ°€ μžˆλ‹€. ꡬ $S$κ°€ 평면 $\\mathrm{OPC}$와 λ§Œλ‚˜μ„œ μƒκΈ°λŠ” 원 μœ„λ₯Ό μ›€μ§μ΄λŠ” 점 $\\mathrm{Q}$, ꡬ $S$ μœ„λ₯Ό μ›€μ§μ΄λŠ” 점 $\\mathrm{R}$에 λŒ€ν•˜μ—¬ 두 점 $\\mathrm{Q}, \\mathrm{R}$의 $xy$평면 μœ„λ‘œμ˜ μ •μ‚¬μ˜μ„ 각각 $\\mathrm{Q}_1, \\mathrm{R}_1$이라 ν•˜μž.\n\nμ‚Όκ°ν˜• $\\mathrm{O}\\mathrm{Q}_1\\mathrm{R}_1$의 넓이가 μ΅œλŒ€κ°€ λ˜λ„λ‘ ν•˜λŠ” 두 점 $\\mathrm{Q}, \\mathrm{R}$에 λŒ€ν•˜μ—¬ μ‚Όκ°ν˜• $\\mathrm{O}\\mathrm{Q}_1\\mathrm{R}_1$의 평면 $\\mathrm{PQR}$ μœ„λ‘œμ˜ μ •μ‚¬μ˜μ˜ λ„“μ΄λŠ” $\\frac{q}{p} \\sqrt{6}$이닀. $p+q$의 값을 κ΅¬ν•˜μ‹œμ˜€.\n\n(단, $\\mathrm{O}$λŠ” 원점이고 μ„Έ 점 $\\mathrm{O}, \\mathrm{Q}_1, \\mathrm{R}_1$은 ν•œ 직선 μœ„μ— μžˆμ§€ μ•ŠμœΌλ©°, $p$와 $q$λŠ” μ„œλ‘œμ†ŒμΈ μžμ—°μˆ˜μ΄λ‹€.) [4점]", "answer": 23, "score": 4, "review": "Removed figure.", "incomplete": false}
data/json/2022/math/answer_score_comment.json ADDED
@@ -0,0 +1,278 @@
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
+ {
2
+ "1":{
3
+ "name":"1",
4
+ "answer":"2",
5
+ "score":"2",
6
+ "comment":""
7
+ },
8
+ "2":{
9
+ "name":"2",
10
+ "answer":"5",
11
+ "score":"2",
12
+ "comment":""
13
+ },
14
+ "3":{
15
+ "name":"3",
16
+ "answer":"5",
17
+ "score":"3",
18
+ "comment":""
19
+ },
20
+ "4":{
21
+ "name":"4",
22
+ "answer":"4",
23
+ "score":"3",
24
+ "comment":"Removed figure and the statement referring to the figure. Need the figure to solve the problem"
25
+ },
26
+ "5":{
27
+ "name":"5",
28
+ "answer":"1",
29
+ "score":"3",
30
+ "comment":""
31
+ },
32
+ "6":{
33
+ "name":"6",
34
+ "answer":"3",
35
+ "score":"3",
36
+ "comment":""
37
+ },
38
+ "7":{
39
+ "name":"7",
40
+ "answer":"1",
41
+ "score":"3",
42
+ "comment":""
43
+ },
44
+ "8":{
45
+ "name":"8",
46
+ "answer":"1",
47
+ "score":"3",
48
+ "comment":""
49
+ },
50
+ "9":{
51
+ "name":"9",
52
+ "answer":"4",
53
+ "score":"4",
54
+ "comment":"Removed figure"
55
+ },
56
+ "10":{
57
+ "name":"10",
58
+ "answer":"5",
59
+ "score":"4",
60
+ "comment":""
61
+ },
62
+ "11":{
63
+ "name":"11",
64
+ "answer":"3",
65
+ "score":"4",
66
+ "comment":"Removed figure and the statement referring to the figure"
67
+ },
68
+ "12":{
69
+ "name":"12",
70
+ "answer":"3",
71
+ "score":"4",
72
+ "comment":""
73
+ },
74
+ "13":{
75
+ "name":"13",
76
+ "answer":"2",
77
+ "score":"4",
78
+ "comment":""
79
+ },
80
+ "14":{
81
+ "name":"14",
82
+ "answer":"3",
83
+ "score":"4",
84
+ "comment":"<보기> changed to 'μ•„λž˜ γ„±,γ„΄,γ„·, 쀑'"
85
+ },
86
+ "15":{
87
+ "name":"15",
88
+ "answer":"2",
89
+ "score":"4",
90
+ "comment":"Removed figure and the statement referring to the figure"
91
+ },
92
+ "16":{
93
+ "name":"16",
94
+ "answer":"3",
95
+ "score":"3",
96
+ "comment":""
97
+ },
98
+ "17":{
99
+ "name":"17",
100
+ "answer":"4",
101
+ "score":"3",
102
+ "comment":""
103
+ },
104
+ "18":{
105
+ "name":"18",
106
+ "answer":"12",
107
+ "score":"3",
108
+ "comment":""
109
+ },
110
+ "19":{
111
+ "name":"19",
112
+ "answer":"6",
113
+ "score":"3",
114
+ "comment":""
115
+ },
116
+ "20":{
117
+ "name":"20",
118
+ "answer":"110",
119
+ "score":"4",
120
+ "comment":""
121
+ },
122
+ "21":{
123
+ "name":"21",
124
+ "answer":"678",
125
+ "score":"4",
126
+ "comment":""
127
+ },
128
+ "22":{
129
+ "name":"22",
130
+ "answer":"9",
131
+ "score":"4",
132
+ "comment":""
133
+ },
134
+ "23":{
135
+ "name":"23_prob",
136
+ "answer":"4",
137
+ "score":"2",
138
+ "comment":""
139
+ },
140
+ "24":{
141
+ "name":"24_prob",
142
+ "answer":"4",
143
+ "score":"3",
144
+ "comment":""
145
+ },
146
+ "25":{
147
+ "name":"25_prob",
148
+ "answer":"1",
149
+ "score":"3",
150
+ "comment":""
151
+ },
152
+ "26":{
153
+ "name":"26_prob",
154
+ "answer":"3",
155
+ "score":"3",
156
+ "comment":"Removed figure"
157
+ },
158
+ "27":{
159
+ "name":"27_prob",
160
+ "answer":"2",
161
+ "score":"3",
162
+ "comment":""
163
+ },
164
+ "28":{
165
+ "name":"28_prob",
166
+ "answer":"1",
167
+ "score":"4",
168
+ "comment":""
169
+ },
170
+ "29":{
171
+ "name":"29_prob",
172
+ "answer":"31",
173
+ "score":"4",
174
+ "comment":"Removed figure and the statement referring to the figure. Need the figure to solve the problem"
175
+ },
176
+ "30":{
177
+ "name":"30_prob",
178
+ "answer":"191",
179
+ "score":"4",
180
+ "comment":""
181
+ },
182
+ "31":{
183
+ "name":"23_calc",
184
+ "answer":"5",
185
+ "score":"2",
186
+ "comment":""
187
+ },
188
+ "32":{
189
+ "name":"24_calc",
190
+ "answer":"4",
191
+ "score":"3",
192
+ "comment":""
193
+ },
194
+ "33":{
195
+ "name":"25_calc",
196
+ "answer":"2",
197
+ "score":"3",
198
+ "comment":""
199
+ },
200
+ "34":{
201
+ "name":"26_calc",
202
+ "answer":"3",
203
+ "score":"3",
204
+ "comment":""
205
+ },
206
+ "35":{
207
+ "name":"27_calc",
208
+ "answer":"1",
209
+ "score":"3",
210
+ "comment":""
211
+ },
212
+ "36":{
213
+ "name":"28_calc",
214
+ "answer":"2",
215
+ "score":"4",
216
+ "comment":""
217
+ },
218
+ "37":{
219
+ "name":"29_calc",
220
+ "answer":"11",
221
+ "score":"4",
222
+ "comment":"Removed figure and the statement referring to the figure"
223
+ },
224
+ "38":{
225
+ "name":"30_calc",
226
+ "answer":"143",
227
+ "score":"4",
228
+ "comment":""
229
+ },
230
+ "39":{
231
+ "name":"23_geom",
232
+ "answer":"2",
233
+ "score":"2",
234
+ "comment":""
235
+ },
236
+ "40":{
237
+ "name":"24_geom",
238
+ "answer":"3",
239
+ "score":"3",
240
+ "comment":""
241
+ },
242
+ "41":{
243
+ "name":"25_geom",
244
+ "answer":"5",
245
+ "score":"3",
246
+ "comment":""
247
+ },
248
+ "42":{
249
+ "name":"26_geom",
250
+ "answer":"2",
251
+ "score":"3",
252
+ "comment":"Removed figure"
253
+ },
254
+ "43":{
255
+ "name":"27_geom",
256
+ "answer":"4",
257
+ "score":"3",
258
+ "comment":"Removed figure and the statement referring to the figure"
259
+ },
260
+ "44":{
261
+ "name":"28_geom",
262
+ "answer":"5",
263
+ "score":"4",
264
+ "comment":"Removed figure"
265
+ },
266
+ "45":{
267
+ "name":"29_geom",
268
+ "answer":"100",
269
+ "score":"4",
270
+ "comment":"Removed figure"
271
+ },
272
+ "46":{
273
+ "name":"30_geom",
274
+ "answer":"23",
275
+ "score":"4",
276
+ "comment":"Removed figure"
277
+ }
278
+ }
data/json/2022/math/math_1.txt ADDED
@@ -0,0 +1,9 @@
 
 
 
 
 
 
 
 
 
 
1
+ 1. $\left(2^{\sqrt{3}} \times 4\right)^{\sqrt{3} - 2}$ 의 값은? [2점]
2
+
3
+ \begin{itemize}
4
+ \item[1] $\frac{1}{4}$
5
+ \item[2] $\frac{1}{2}$
6
+ \item[3] $1$
7
+ \item[4] $2$
8
+ \item[5] $4$
9
+ \end{itemize}
data/json/2022/math/math_10.txt ADDED
@@ -0,0 +1,9 @@
 
 
 
 
 
 
 
 
 
 
1
+ 10. μ‚Όμ°¨ν•¨μˆ˜ \( f(x) \)에 λŒ€ν•˜μ—¬ 곑선 \( y = f(x) \) μœ„μ˜ 점 \( (0, 0) \)μ—μ„œμ˜ μ ‘μ„ κ³Ό 곑선 \( y = x f(x) \) μœ„μ˜ 점 \( (1, 2) \)μ—μ„œμ˜ 접선이 μΌμΉ˜ν•  λ•Œ, \( f'(2) \)의 값은? [4점]
2
+
3
+ \begin{itemize}
4
+ \item[1] $-18$
5
+ \item[2] $-17$
6
+ \item[3] $-16$
7
+ \item[4] $-15$
8
+ \item[5] $-14$
9
+ \end{itemize}
data/json/2022/math/math_11.txt ADDED
@@ -0,0 +1,13 @@
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
+ 11. μ–‘μˆ˜ \( a \)에 λŒ€ν•˜μ—¬ 집합 \( \left\{ x \ \middle| \ -\frac{a}{2} < x \leq a, \ x \neq \frac{a}{2} \right\} \) μ—μ„œ μ •μ˜λœ ν•¨μˆ˜
2
+ \[
3
+ f(x) = \tan \frac{\pi x}{a}
4
+ \]
5
+ κ°€ μžˆλ‹€. κ·Έλ¦Όκ³Ό 같이 ν•¨μˆ˜ \( y = f(x) \)의 κ·Έλž˜ν”„ μœ„μ˜ μ„Έ 점 \( \mathrm{O, A, B} \)λ₯Ό μ§€λ‚˜λŠ” 직선이 μžˆλ‹€. 점 \( \mathrm{A} \)λ₯Ό μ§€λ‚˜κ³  \( x \)좕에 ν‰ν–‰ν•œ 직선이 ν•¨μˆ˜ \( y = f(x) \)의 κ·Έλž˜ν”„μ™€ λ§Œλ‚˜λŠ” 점 쀑 \( \mathrm{A} \)κ°€ μ•„λ‹Œ 점을 \( \mathrm{C} \)라 ν•˜μž. μ‚Όκ°ν˜• \( \mathrm{ABC} \)κ°€ μ •μ‚Όκ°ν˜•μΌ λ•Œ, μ‚Όκ°ν˜• \( \mathrm{ABC} \)의 λ„“μ΄λŠ”? (단, \( \mathrm{O} \)λŠ” 원점이닀.) [4점]
6
+
7
+ \begin{itemize}
8
+ \item[1] \( \frac{3\sqrt{3}}{2} \)
9
+ \item[2] \( \frac{17\sqrt{3}}{12} \)
10
+ \item[3] \( \frac{4\sqrt{3}}{3} \)
11
+ \item[4] \( \frac{5\sqrt{3}}{4} \)
12
+ \item[5] \( \frac{7\sqrt{3}}{6} \)
13
+ \end{itemize}
data/json/2022/math/math_12.txt ADDED
@@ -0,0 +1,21 @@
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
+ 12. μ‹€μˆ˜ μ „μ²΄μ˜ μ§‘ν•©μ—μ„œ 연속인 ν•¨μˆ˜ $f(x)$κ°€ λͺ¨λ“  μ‹€μˆ˜ $x$에 λŒ€ν•˜μ—¬
2
+
3
+ \[
4
+ \{f(x)\}^3 - \{f(x)\}^2 - x^2 f(x) + x^2 = 0
5
+ \]
6
+
7
+ 을 λ§Œμ‘±μ‹œν‚¨λ‹€. ν•¨μˆ˜ $f(x)$의 μ΅œλŒ“κ°’μ΄ 1이고 μ΅œμ†Ÿκ°’μ΄ 0일 λ•Œ,
8
+
9
+ \[
10
+ f\left( -\frac{4}{3} \right) + f(0) + f\left( \frac{1}{2} \right)
11
+ \]
12
+
13
+ 의 값은? [4점]
14
+
15
+ \begin{itemize}
16
+ \item[1] $\frac{1}{2}$
17
+ \item[2] $1$
18
+ \item[3] $\frac{3}{2}$
19
+ \item[4] $2$
20
+ \item[5] $\frac{5}{2}$
21
+ \end{itemize}
data/json/2022/math/math_13.txt ADDED
@@ -0,0 +1,9 @@
 
 
 
 
 
 
 
 
 
 
1
+ 13. 두 μƒμˆ˜ \( a, b \ (1 < a < b) \)에 λŒ€ν•˜μ—¬ μ’Œν‘œν‰λ©΄ μœ„μ˜ 두 점 \((a, \log_2 a), \ (b, \log_2 b)\)λ₯Ό μ§€λ‚˜λŠ” μ§μ„ μ˜ \(y\)절편과 두 점 \((a, \log_4 a), \ (b, \log_4 b)\)λ₯Ό μ§€λ‚˜λŠ” μ§μ„ μ˜ \(y\)절편이 κ°™λ‹€. ν•¨μˆ˜ \( f(x) = a^{bx} + b^{ax} \)에 λŒ€ν•˜μ—¬ \( f(1) = 40 \)일 λ•Œ, \( f(2) \)의 값은? [4점]
2
+
3
+ \begin{itemize}
4
+ \item[1] 760
5
+ \item[2] 800
6
+ \item[3] 840
7
+ \item[4] 880
8
+ \item[5] 920
9
+ \end{itemize}
data/json/2022/math/math_14.txt ADDED
@@ -0,0 +1,19 @@
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
+ 14. μˆ˜μ§μ„  μœ„λ₯Ό μ›€μ§μ΄λŠ” 점 $\mathrm{P}$의 μ‹œκ° $t$μ—μ„œμ˜ μœ„μΉ˜ $x(t)$κ°€ 두 μƒμˆ˜ $a$, $b$에 λŒ€ν•˜μ—¬
2
+ \[
3
+ x(t) = t(t - 1)(at + b) \quad (a \neq 0)
4
+ \]
5
+ 이닀. 점 $\mathrm{P}$의 μ‹œκ° $t$μ—μ„œμ˜ 속도 $v(t)$κ°€ $\int_0^1 |v(t)| \, dt = 2$λ₯Ό λ§Œμ‘±μ‹œν‚¬ λ•Œ, μ•„λž˜ γ„±, γ„΄, γ„· μ€‘μ—μ„œ μ˜³μ€ κ²ƒλ§Œμ„ μžˆλŠ” λŒ€λ‘œ κ³ λ₯Έ 것은? [4점]
6
+
7
+ \begin{itemize}
8
+ \item[γ„±.] $\int_0^1 v(t) \, dt = 0$
9
+ \item[γ„΄.] $|x(t_1)| > 1$인 $t_1$이 열린ꡬ간 $(0, 1)$에 μ‘΄μž¬ν•œλ‹€.
10
+ \item[γ„·.] $0 \leq t \leq 1$인 λͺ¨λ“  $t$에 λŒ€ν•˜μ—¬ $|x(t)| < 1$이면 $x(t_2) = 0$인 $t_2$κ°€ 열린ꡬ간 $(0, 1)$에 μ‘΄μž¬ν•œλ‹€.
11
+ \end{itemize}
12
+
13
+ \begin{itemize}
14
+ \item[1] γ„±
15
+ \item[2] γ„±, γ„΄
16
+ \item[3] γ„±, γ„·
17
+ \item[4] γ„΄, γ„·
18
+ \item[5] γ„±, γ„΄, γ„·
19
+ \end{itemize}
data/json/2022/math/math_15.txt ADDED
@@ -0,0 +1,31 @@
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
+ 15. 두 점 \( \mathrm{O}_1, \mathrm{O}_2 \)λ₯Ό 각각 μ€‘μ‹¬μœΌλ‘œ ν•˜κ³  λ°˜μ§€λ¦„μ˜ 길이가 \(\overline{\mathrm{O}_1\mathrm{O}_2} \)인 두 원 \( C_1, C_2 \)κ°€ μžˆλ‹€. κ·Έλ¦Όκ³Ό 같이 원 \( C_1 \) μœ„μ˜ μ„œλ‘œ λ‹€λ₯Έ μ„Έ 점 \( \mathrm{A}, \mathrm{B}, \mathrm{C} \)와 원 \( C_2 \) μœ„μ˜ 점 \( \mathrm{D} \)κ°€ μ£Όμ–΄μ Έ 있고, μ„Έ 점 \( \mathrm{A}, \mathrm{O}_1, \mathrm{O}_2 \)와 μ„Έ 점 \( \mathrm{C}, \mathrm{O}_2, \mathrm{D} \)κ°€ 각각 ν•œ 직선 μœ„μ— μžˆλ‹€.
2
+
3
+ μ΄λ•Œ \(\angle \mathrm{B}\mathrm{O}_1\mathrm{A} = \theta_1\), \(\angle \mathrm{O}_2\mathrm{O}_1\mathrm{C} = \theta_2\), \(\angle \mathrm{O}_1\mathrm{O}_2\mathrm{D} = \theta_3\)이라 ν•˜μž.
4
+
5
+ λ‹€μŒμ€ \( \overline{\mathrm{A}\mathrm{B}} : \overline{\mathrm{O}_1\mathrm{D}} = 1 : 2\sqrt{2} \)이고 \( \theta_3 = \theta_1 + \theta_2 \)일 λ•Œ, μ„ λΆ„ \( \mathrm{A}\mathrm{B} \)와 μ„ λΆ„ \( \mathrm{C}\mathrm{D} \)의 길이의 λΉ„λ₯Ό κ΅¬ν•˜λŠ” 과정이닀.
6
+
7
+ \[
8
+ \begin{aligned}
9
+ &\angle \mathrm{C}\mathrm{O}_2\mathrm{O}_1 + \angle \mathrm{O}_1\mathrm{O}_2\mathrm{D} = \pi \text{μ΄λ―€λ‘œ } \theta_3 = \frac{\pi}{2} + \frac{\theta_2}{2} \text{이고} \\
10
+ &\theta_3 = \theta_1 + \theta_2 \text{μ—μ„œ } 2\theta_1 + \theta_2 = \pi \text{μ΄λ―€λ‘œ } \angle \mathrm{C}\mathrm{O}_1\mathrm{B} = \theta_1 \text{이닀.} \\
11
+ &\text{μ΄λ•Œ } \angle \mathrm{O}_2\mathrm{O}_1\mathrm{B} = \theta_1 + \theta_2 = \theta_3 \text{μ΄λ―€λ‘œ μ‚Όκ°ν˜• } \mathrm{O}_1\mathrm{O}_2\mathrm{B} \text{와 μ‚Όκ°ν˜• } \mathrm{O}_2\mathrm{O}_1\mathrm{D} \text{λŠ” 합동이닀.} \\
12
+ &\overline{\mathrm{A}\mathrm{B}} = k \text{라 ν•  λ•Œ} \\
13
+ &\overline{\mathrm{B}\mathrm{O}_2} = \overline{\mathrm{O}_1\mathrm{D}}= 2\sqrt{2}k \text{μ΄λ―€λ‘œ } \overline{\mathrm{A}\mathrm{O}_2} = \text{(κ°€)이고,} \\
14
+ &\angle \mathrm{B}\mathrm{O}_2\mathrm{A} = \frac{\theta_1}{2} \text{μ΄λ―€λ‘œ } \cos \frac{\theta_1}{2} = \text{(λ‚˜) 이닀.} \\
15
+ &\text{μ‚Όκ°ν˜• } \mathrm{O}_2\mathrm{B}\mathrm{C} \text{μ—μ„œ} \\
16
+ &\overline{\mathrm{B}\mathrm{C}} = k, \overline{\mathrm{B}\mathrm{O}_2} = 2\sqrt{2}k, \angle \mathrm{C}\mathrm{O}_2\mathrm{B} = \frac{\theta_1}{2} \text{μ΄λ―€λ‘œ} \\
17
+ &\text{코사인법칙에 μ˜ν•˜μ—¬ } \overline{\mathrm{O}_2\mathrm{C}} = \text{(λ‹€) 이닀.} \\
18
+ &\overline{\mathrm{C}\mathrm{D}} = \overline{\mathrm{O}_2\mathrm{D}} + \overline{\mathrm{O}_2\mathrm{C}} = \overline{\mathrm{O}_1\mathrm{O}_2} + \overline{\mathrm{O}_2\mathrm{C}} \text{μ΄λ―€λ‘œ} \\
19
+ &\overline{\mathrm{A}\mathrm{B}} : \overline{\mathrm{C}\mathrm{D}} = k : \left(\frac{\text{(κ°€)}}{2} + \text{(λ‹€)}\right) \text{이닀.}
20
+ \end{aligned}
21
+ \]
22
+
23
+ μœ„μ˜ (κ°€), (λ‹€)에 μ•Œλ§žμ€ 식을 각각 \( f(k), g(k) \)라 ν•˜κ³ , (λ‚˜)에 μ•Œλ§žμ€ 수λ₯Ό \( p \)라 ν•  λ•Œ, \( f(p) \times g(p) \)의 값은? [4점]
24
+
25
+ \begin{itemize}
26
+ \item[1] \(\frac{169}{27}\)
27
+ \item[2] \(\frac{56}{9}\)
28
+ \item[3] \(\frac{167}{27}\)
29
+ \item[4] \(\frac{166}{27}\)
30
+ \item[5] \(\frac{55}{9}\)
31
+ \end{itemize}
data/json/2022/math/math_16.txt ADDED
@@ -0,0 +1 @@
 
 
1
+ 16. $\log_2 120 - \frac{1}{\log_{15} 2}$ 의 값을 κ΅¬ν•˜μ‹œμ˜€. [3점]
data/json/2022/math/math_17.txt ADDED
@@ -0,0 +1 @@
 
 
1
+ 17. ν•¨μˆ˜ $f(x)$에 λŒ€ν•˜μ—¬ $f'(x) = 3x^2 + 2x$이고 $f(0) = 2$일 λ•Œ, $f(1)$의 값을 κ΅¬ν•˜μ‹œμ˜€. [3점]
data/json/2022/math/math_18.txt ADDED
@@ -0,0 +1,7 @@
 
 
 
 
 
 
 
 
1
+ 18. μˆ˜μ—΄ $\{a_n\}$에 λŒ€ν•˜μ—¬
2
+
3
+ \[
4
+ \sum_{k=1}^{10} a_k - \sum_{k=1}^{7} \frac{a_k}{2} = 56, \quad \sum_{k=1}^{10} 2a_k - \sum_{k=1}^{8} a_k = 100
5
+ \]
6
+
7
+ 일 λ•Œ, $a_8$의 값을 κ΅¬ν•˜μ‹œμ˜€. [3점]
data/json/2022/math/math_19.txt ADDED
@@ -0,0 +1 @@
 
 
1
+ 19. ν•¨μˆ˜ $f(x) = x^3 + ax^2 - (a^2 - 8a)x + 3$이 μ‹€μˆ˜ μ „μ²΄μ˜ μ§‘ν•©μ—μ„œ μ¦κ°€ν•˜λ„λ‘ ν•˜λŠ” μ‹€μˆ˜ $a$의 μ΅œλŒ“κ°’μ„ κ΅¬ν•˜μ‹œμ˜€. [3점]
data/json/2022/math/math_2.txt ADDED
@@ -0,0 +1,9 @@
 
 
 
 
 
 
 
 
 
 
1
+ 2. ν•¨μˆ˜ \( f(x) = x^3 + 3x^2 + x - 1 \) 에 λŒ€ν•˜μ—¬ \( f'(1) \)의 값은? [2점]
2
+
3
+ \begin{itemize}
4
+ \item[1] 6
5
+ \item[2] 7
6
+ \item[3] 8
7
+ \item[4] 9
8
+ \item[5] 10
9
+ \end{itemize}
data/json/2022/math/math_20.txt ADDED
@@ -0,0 +1,8 @@
 
 
 
 
 
 
 
 
 
1
+ 20. μ‹€μˆ˜ μ „μ²΄μ˜ μ§‘ν•©μ—μ„œ λ―ΈλΆ„κ°€λŠ₯ν•œ ν•¨μˆ˜ \( f(x) \)κ°€ λ‹€μŒ 쑰건을 λ§Œμ‘±μ‹œν‚¨λ‹€.
2
+
3
+ \begin{itemize}
4
+ \item[(κ°€)] λ‹«νžŒκ΅¬κ°„ \([0, 1]\)μ—μ„œ \( f(x) = x \)이닀.
5
+ \item[(λ‚˜)] μ–΄λ–€ μƒμˆ˜ \( a, b \)에 λŒ€ν•˜μ—¬ ꡬ간 \([0, \infty)\)μ—μ„œ \( f(x+1) - x f(x) = ax + b \)이닀.
6
+ \end{itemize}
7
+
8
+ \[ 60 \times \int_1^2 f(x) \, dx \] 의 값을 κ΅¬ν•˜μ‹œμ˜€. [4점]
data/json/2022/math/math_21.txt ADDED
@@ -0,0 +1,9 @@
 
 
 
 
 
 
 
 
 
 
1
+ 21. μˆ˜μ—΄ $\{a_n\}$이 λ‹€μŒ 쑰건을 λ§Œμ‘±μ‹œν‚¨λ‹€.
2
+
3
+ \begin{itemize}
4
+ \item[(κ°€)] \( |a_1| = 2 \)
5
+ \item[(λ‚˜)] λͺ¨λ“  μžμ—°μˆ˜ \( n \)에 λŒ€ν•˜μ—¬ \( |a_{n+1}| = 2|a_n| \)이닀.
6
+ \item[(λ‹€)] \(\sum_{n=1}^{10} a_n = -14\)
7
+ \end{itemize}
8
+
9
+ $a_1 + a_3 + a_5 + a_7 + a_9$의 값을 κ΅¬ν•˜μ‹œμ˜€. [4점]
data/json/2022/math/math_22.txt ADDED
@@ -0,0 +1,8 @@
 
 
 
 
 
 
 
 
 
1
+ 22. μ΅œκ³ μ°¨ν•­μ˜ κ³„μˆ˜κ°€ $\frac{1}{2}$ 인 μ‚Όμ°¨ν•¨μˆ˜ $f(x)$와 μ‹€μˆ˜ $t$에 λŒ€ν•˜μ—¬ 방정식 $f'(x) = 0$이 λ‹«νžŒκ΅¬κ°„ $[t, t+2]$μ—μ„œ κ°–λŠ” μ‹€κ·Όμ˜ 개수λ₯Ό $g(t)$라 ν•  λ•Œ, ν•¨μˆ˜ $g(t)$λŠ” λ‹€μŒ 쑰건을 λ§Œμ‘±μ‹œν‚¨λ‹€.
2
+
3
+ \begin{itemize}
4
+ \item[(κ°€)] λͺ¨λ“  μ‹€μˆ˜ \( a \)에 λŒ€ν•˜μ—¬ \(\lim_{t \to a+} g(t) + \lim_{t \to a-} g(t) \leq 2\)이닀.
5
+ \item[(λ‚˜)] \( g(f(1)) = g(f(4)) = 2, \ g(f(0)) = 1 \)
6
+ \end{itemize}
7
+
8
+ $f(5)$의 값을 κ΅¬ν•˜μ‹œμ˜€. [4점]
data/json/2022/math/math_23_calc.txt ADDED
@@ -0,0 +1,12 @@
 
 
 
 
 
 
 
 
 
 
 
 
 
1
+ 23.
2
+ \[
3
+ \lim_{n \to \infty} \frac{\frac{5}{n} + \frac{3}{n^2}}{\frac{1}{n} - \frac{2}{n^3}} \text{의 값은? [2점]}
4
+ \]
5
+
6
+ \begin{itemize}
7
+ \item[1] 1
8
+ \item[2] 2
9
+ \item[3] 3
10
+ \item[4] 4
11
+ \item[5] 5
12
+ \end{itemize}
data/json/2022/math/math_23_geom.txt ADDED
@@ -0,0 +1,9 @@
 
 
 
 
 
 
 
 
 
 
1
+ 23. μ’Œν‘œκ³΅κ°„μ˜ 점 $\mathrm{A}(2, 1, 3)$을 $xy$ 평면에 λŒ€ν•˜μ—¬ λŒ€μΉ­μ΄λ™ν•œ 점을 $\mathrm{P}$라 ν•˜κ³ , 점 $\mathrm{A}$λ₯Ό $yz$ 평면에 λŒ€ν•˜μ—¬ λŒ€μΉ­μ΄λ™ν•œ 점을 $\mathrm{Q}$라 ν•  λ•Œ, μ„ λΆ„ $\mathrm{PQ}$의 κΈΈμ΄λŠ”? [2점]
2
+
3
+ \begin{itemize}
4
+ \item[1] $5 \sqrt{2}$
5
+ \item[2] $2 \sqrt{13}$
6
+ \item[3] $3 \sqrt{6}$
7
+ \item[4] $2 \sqrt{14}$
8
+ \item[5] $2 \sqrt{15}$
9
+ \end{itemize}
data/json/2022/math/math_23_prob.txt ADDED
@@ -0,0 +1,9 @@
 
 
 
 
 
 
 
 
 
 
1
+ 23. 닀항식 $(x+2)^7$의 μ „κ°œμ‹μ—μ„œ $x^5$의 κ³„μˆ˜λŠ”? [2점]
2
+
3
+ \begin{itemize}
4
+ \item[1] 42
5
+ \item[2] 56
6
+ \item[3] 70
7
+ \item[4] 84
8
+ \item[5] 98
9
+ \end{itemize}
data/json/2022/math/math_24_calc.txt ADDED
@@ -0,0 +1,13 @@
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
+ 24. μ‹€μˆ˜ μ „μ²΄μ˜ μ§‘ν•©μ—μ„œ λ―ΈλΆ„κ°€λŠ₯ν•œ ν•¨μˆ˜ $f(x)$κ°€ λͺ¨λ“  μ‹€μˆ˜ $x$에 λŒ€ν•˜μ—¬
2
+ \[
3
+ f(x^3 + x) = e^x
4
+ \]
5
+ 을 λ§Œμ‘±μ‹œν‚¬ λ•Œ, $f'(2)$의 값은? [3점]
6
+
7
+ \begin{itemize}
8
+ \item[1] $e$
9
+ \item[2] $\frac{e}{2}$
10
+ \item[3] $\frac{e}{3}$
11
+ \item[4] $\frac{e}{4}$
12
+ \item[5] $\frac{e}{5}$
13
+ \end{itemize}
data/json/2022/math/math_24_geom.txt ADDED
@@ -0,0 +1,9 @@
 
 
 
 
 
 
 
 
 
 
1
+ 24. ν•œ 초점의 μ’Œν‘œκ°€ $\left( 3\sqrt{2}, 0 \right)$ 인 μŒκ³‘μ„  $\frac{x^2}{a^2} - \frac{y^2}{6} = 1$ 의 μ£ΌμΆ•μ˜ κΈΈμ΄λŠ”? (단, $a$ λŠ” μ–‘μˆ˜μ΄λ‹€.) [3점]
2
+
3
+ \begin{itemize}
4
+ \item[1] $3\sqrt{3}$
5
+ \item[2] $\frac{7\sqrt{3}}{2}$
6
+ \item[3] $4\sqrt{3}$
7
+ \item[4] $\frac{9\sqrt{3}}{2}$
8
+ \item[5] $5\sqrt{3}$
9
+ \end{itemize}
data/json/2022/math/math_24_prob.txt ADDED
@@ -0,0 +1,9 @@
 
 
 
 
 
 
 
 
 
 
1
+ 24. ν™•λ₯ λ³€μˆ˜ \( X \)κ°€ 이항뢄포 \( \mathrm{B}\left(n, \frac{1}{3}\right) \)을 λ”°λ₯΄κ³  \( \mathrm{V}(2X) = 40 \)일 λ•Œ, \( n \)의 값은? [3점]
2
+
3
+ \begin{itemize}
4
+ \item[1] 30
5
+ \item[2] 35
6
+ \item[3] 40
7
+ \item[4] 45
8
+ \item[5] 50
9
+ \end{itemize}
data/json/2022/math/math_25_calc.txt ADDED
@@ -0,0 +1,13 @@
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
+ 25. λ“±λΉ„μˆ˜μ—΄ $\{a_n\}$에 λŒ€ν•˜μ—¬
2
+ \[
3
+ \sum_{n=1}^{\infty} (a_{2n-1} - a_{2n}) = 3, \quad \sum_{n=1}^{\infty} a_n^2 = 6
4
+ \]
5
+ 일 λ•Œ, $\sum_{n=1}^{\infty} a_n$ 의 값은? [3점]
6
+
7
+ \begin{itemize}
8
+ \item[1] 1
9
+ \item[2] 2
10
+ \item[3] 3
11
+ \item[4] 4
12
+ \item[5] 5
13
+ \end{itemize}
data/json/2022/math/math_25_geom.txt ADDED
@@ -0,0 +1,15 @@
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
+ 25. μ’Œν‘œν‰λ©΄μ—μ„œ 두 직선
2
+
3
+ \[
4
+ \frac{x+1}{2} = y - 3, \quad x - 2 = \frac{y - 5}{3}
5
+ \]
6
+
7
+ κ°€ μ΄λ£¨λŠ” 예각의 크기λ₯Ό $\theta$라 ν•  λ•Œ, $\cos \theta$의 값은? [3점]
8
+
9
+ \begin{itemize}
10
+ \item[1] $\frac{1}{2}$
11
+ \item[2] $\frac{\sqrt{5}}{4}$
12
+ \item[3] $\frac{\sqrt{6}}{4}$
13
+ \item[4] $\frac{\sqrt{7}}{4}$
14
+ \item[5] $\frac{\sqrt{2}}{2}$
15
+ \end{itemize}
data/json/2022/math/math_25_prob.txt ADDED
@@ -0,0 +1,14 @@
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
+ 25. λ‹€μŒ 쑰건을 λ§Œμ‘±μ‹œν‚€λŠ” μžμ—°μˆ˜ $a, \ b, \ c, \ d, \ e$의 λͺ¨λ“  μˆœμ„œμŒ $(a, b, c, d, e)$의 κ°œμˆ˜λŠ”? [3점]
2
+
3
+ \begin{itemize}
4
+ \item[(κ°€)] $a + b + c + d + e = 12$
5
+ \item[(λ‚˜)] $\left| a^2 - b^2 \right| = 5$
6
+ \end{itemize}
7
+
8
+ \begin{itemize}
9
+ \item[1] 30
10
+ \item[2] 32
11
+ \item[3] 34
12
+ \item[4] 36
13
+ \item[5] 38
14
+ \end{itemize}
data/json/2022/math/math_26_calc.txt ADDED
@@ -0,0 +1,12 @@
 
 
 
 
 
 
 
 
 
 
 
 
 
1
+ 26.
2
+ \[
3
+ \lim_{n \to \infty} \sum_{k=1}^{n} \frac{k^2 + 2kn}{k^3 + 3k^2 n + n^3} \text{의 값은?} \quad [3 \text{점}]
4
+ \]
5
+
6
+ \begin{itemize}
7
+ \item[1] $\ln 5$
8
+ \item[2] $\frac{\ln 5}{2}$
9
+ \item[3] $\frac{\ln 5}{3}$
10
+ \item[4] $\frac{\ln 5}{4}$
11
+ \item[5] $\frac{\ln 5}{5}$
12
+ \end{itemize}
data/json/2022/math/math_26_geom.txt ADDED
@@ -0,0 +1,9 @@
 
 
 
 
 
 
 
 
 
 
1
+ 26. 두 초점이 \( \mathrm{F}, \mathrm{F'} \)인 타원 \( \frac{x^2}{64} + \frac{y^2}{16} = 1 \) μœ„μ˜ 점 쀑 제1사뢄면에 μžˆλŠ” 점 \( \mathrm{A} \)κ°€ μžˆλ‹€. 두 직선 \( \mathrm{AF}, \mathrm{AF'} \)에 λ™μ‹œμ— μ ‘ν•˜κ³  쀑심이 \( y \)μΆ• μœ„μ— μžˆλŠ” 원 쀑 μ€‘μ‹¬μ˜ \( y \)μ’Œν‘œκ°€ 음수인 것을 \( C \)라 ν•˜μž. 원 \( C \)의 쀑심을 \( \mathrm{B} \)라 ν•  λ•Œ μ‚¬κ°ν˜• \( \mathrm{AFBF'} \)의 넓이가 72이닀. 원 \( C \)의 λ°˜μ§€λ¦„μ˜ κΈΈμ΄λŠ”? [3점]
2
+
3
+ \begin{itemize}
4
+ \item[1] \( \frac{17}{2} \)
5
+ \item[2] 9
6
+ \item[3] \( \frac{19}{2} \)
7
+ \item[4] 10
8
+ \item[5] \( \frac{21}{2} \)
9
+ \end{itemize}
data/json/2022/math/math_26_prob.txt ADDED
@@ -0,0 +1,9 @@
 
 
 
 
 
 
 
 
 
 
1
+ 26. \( 1 \)λΆ€ν„° \( 10 \)κΉŒμ§€ μžμ—°μˆ˜κ°€ ν•˜λ‚˜μ”© μ ν˜€ μžˆλŠ” \( 10 \)μž₯의 μΉ΄λ“œκ°€ λ“€μ–΄ μžˆλŠ” μ£Όλ¨Έλ‹ˆκ°€ μžˆλ‹€. 이 μ£Όλ¨Έλ‹ˆμ—μ„œ μž„μ˜λ‘œ μΉ΄λ“œ \( 3 \)μž₯을 λ™μ‹œμ— κΊΌλ‚Ό λ•Œ, κΊΌλ‚Έ μΉ΄λ“œμ— μ ν˜€ μžˆλŠ” μ„Έ μžμ—°μˆ˜ μ€‘μ—μ„œ κ°€μž₯ μž‘μ€ μˆ˜κ°€ \( 4 \) μ΄ν•˜μ΄κ±°λ‚˜ \( 7 \) 이상일 ν™•λ₯ μ€? [3점]
2
+
3
+ \begin{itemize}
4
+ \item[1] \( \frac{4}{5} \)
5
+ \item[2] \( \frac{5}{6} \)
6
+ \item[3] \( \frac{13}{15} \)
7
+ \item[4] \( \frac{9}{10} \)
8
+ \item[5] \( \frac{14}{15} \)
9
+ \end{itemize}
data/json/2022/math/math_27_calc.txt ADDED
@@ -0,0 +1,9 @@
 
 
 
 
 
 
 
 
 
 
1
+ 27. μ’Œν‘œν‰λ©΄ μœ„λ₯Ό μ›€μ§μ΄λŠ” 점 $\mathrm{P}$의 μ‹œκ° $t \ (t>0)$μ—μ„œμ˜ μœ„μΉ˜κ°€ 곑선 $y = x^2$κ³Ό 직선 $y = t^2 x - \frac{\ln t}{8}$κ°€ λ§Œλ‚˜λŠ” μ„œλ‘œ λ‹€λ₯Έ 두 점의 쀑점일 λ•Œ, μ‹œκ° $t=1$μ—μ„œ $t=e$κΉŒμ§€ 점 $\mathrm{P}$κ°€ 움직인 κ±°λ¦¬λŠ”? [3점]
2
+
3
+ \begin{itemize}
4
+ \item[1] $\frac{e^4}{2} - \frac{3}{8}$
5
+ \item[2] $\frac{e^4}{2} - \frac{5}{16}$
6
+ \item[3] $\frac{e^4}{2} - \frac{1}{4}$
7
+ \item[4] $\frac{e^4}{2} - \frac{3}{16}$
8
+ \item[5] $\frac{e^4}{2} - \frac{1}{8}$
9
+ \end{itemize}
data/json/2022/math/math_27_geom.txt ADDED
@@ -0,0 +1,9 @@
 
 
 
 
 
 
 
 
 
 
1
+ 27. κ·Έλ¦Όκ³Ό 같이 ν•œ λͺ¨μ„œλ¦¬μ˜ 길이가 4인 μ •μœ‘λ©΄μ²΄ $\mathrm{ABCD - EFGH}$ κ°€ μžˆλ‹€. μ„ λΆ„ $\mathrm{AD}$ 의 쀑점을 $\mathrm{M}$이라 ν•  λ•Œ, μ‚Όκ°ν˜• $\mathrm{MEG}$ 의 λ„“μ΄λŠ”? [3점]
2
+
3
+ \begin{itemize}
4
+ \item[1] $\frac{21}{2}$
5
+ \item[2] 11
6
+ \item[3] $\frac{23}{2}$
7
+ \item[4] 12
8
+ \item[5] $\frac{25}{2}$
9
+ \end{itemize}
data/json/2022/math/math_27_prob.txt ADDED
@@ -0,0 +1,15 @@
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
+ 27. μ–΄λŠ μžλ™μ°¨ νšŒμ‚¬μ—μ„œ μƒμ‚°ν•˜λŠ” μ „κΈ° μžλ™μ°¨μ˜ 1회 μΆ©μ „ μ£Όν–‰ κ±°λ¦¬λŠ” 평균이 $m$이고 ν‘œμ€€νŽΈμ°¨κ°€ $\sigma$인 μ •κ·œλΆ„ν¬λ₯Ό λ”°λ₯Έλ‹€κ³  ν•œλ‹€.
2
+
3
+ 이 μžλ™μ°¨ νšŒμ‚¬μ—μ„œ μƒμ‚°ν•œ μ „κΈ° μžλ™μ°¨ 100λŒ€λ₯Ό μž„μ˜μΆ”μΆœν•˜μ—¬ 얻은 1회 μΆ©μ „ μ£Όν–‰ 거리의 ν‘œλ³Έν‰κ· μ΄ $\overline{x_1}$일 λ•Œ, λͺ¨ν‰κ·  $m$에 λŒ€ν•œ 신뒰도 95\%의 신뒰ꡬ간이 $a \le m \le b$이닀.
4
+
5
+ 이 μžλ™μ°¨ νšŒμ‚¬μ—μ„œ μƒμ‚°ν•œ μ „κΈ° μžλ™μ°¨ 400λŒ€λ₯Ό μž„μ˜μΆ”μΆœν•˜μ—¬ 얻은 1회 μΆ©μ „ μ£Όν–‰ 거리의 ν‘œλ³Έν‰κ· μ΄ $\overline{x_2}$일 λ•Œ, λͺ¨ν‰κ·  $m$에 λŒ€ν•œ 신뒰도 99\%의 신뒰ꡬ간이 $c \le m \le d$이닀.
6
+
7
+ $\overline{x_1} - \overline{x_2} = 1.34$이고 $a = c$일 λ•Œ, $b - a$의 값은? (단, μ£Όν–‰ 거리의 λ‹¨μœ„λŠ” km이고, $Z$κ°€ ν‘œμ€€μ •κ·œλΆ„ν¬λ₯Ό λ”°λ₯΄λŠ” ν™•λ₯ λ³€μˆ˜μΌ λ•Œ $\mathrm{P}(|Z| \le 1.96) = 0.95$, $\mathrm{P}(|Z| \le 2.58) = 0.99$둜 κ³„μ‚°ν•œλ‹€.) [3점]
8
+
9
+ \begin{itemize}
10
+ \item[1] 5.88
11
+ \item[2] 7.84
12
+ \item[3] 9.80
13
+ \item[4] 11.76
14
+ \item[5] 13.72
15
+ \end{itemize}
data/json/2022/math/math_28_calc.txt ADDED
@@ -0,0 +1,15 @@
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
+ 28. ν•¨μˆ˜ \( f(x) = 6\pi (x - 1)^2 \)에 λŒ€ν•˜μ—¬ ν•¨μˆ˜ \( g(x) \)λ₯Ό
2
+
3
+ \[
4
+ g(x) = 3f(x) + 4\cos f(x)
5
+ \]
6
+
7
+ 라 ν•˜μž. \( 0 < x < 2 \)μ—μ„œ ν•¨μˆ˜ \( g(x) \)κ°€ κ·Ήμ†Œκ°€ λ˜λŠ” \( x \)의 κ°œμˆ˜λŠ”? [4점]
8
+
9
+ \begin{itemize}
10
+ \item[1] 6
11
+ \item[2] 7
12
+ \item[3] 8
13
+ \item[4] 9
14
+ \item[5] 10
15
+ \end{itemize}
data/json/2022/math/math_28_geom.txt ADDED
@@ -0,0 +1,9 @@
 
 
 
 
 
 
 
 
 
 
1
+ 28. 두 μ–‘μˆ˜ \( a \), \( p \)에 λŒ€ν•˜μ—¬ 포물선 \( (y - a)^2 = 4px \)의 μ΄ˆμ μ„ \( \mathrm{F}_1 \)이라 ν•˜κ³ , 포물선 \( y^2 = -4x \)의 μ΄ˆμ μ„ \( \mathrm{F}_2 \)라 ν•˜μž. μ„ λΆ„ \( \mathrm{F}_1 \mathrm{F}_2 \)κ°€ 두 포물선과 λ§Œλ‚˜λŠ” 점을 각각 \( \mathrm{P} \), \( \mathrm{Q} \)라 ν•  λ•Œ, \( \overline{\mathrm{F}_1 \mathrm{F}_2} = 3 \), \( \overline{\mathrm{P}\mathrm{Q}} = 1 \)이닀. \( a^2 + p^2 \)의 값은? [4점]
2
+
3
+ \begin{itemize}
4
+ \item[1] 6
5
+ \item[2] \(\frac{25}{4}\)
6
+ \item[3] \(\frac{13}{2}\)
7
+ \item[4] \(\frac{27}{4}\)
8
+ \item[5] 7
9
+ \end{itemize}
data/json/2022/math/math_28_prob.txt ADDED
@@ -0,0 +1,14 @@
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
+ 28. 두 집합 $X = \{1, 2, 3, 4, 5\}$, $Y = \{1, 2, 3, 4\}$에 λŒ€ν•˜μ—¬ λ‹€μŒ 쑰건을 λ§Œμ‘±μ‹œν‚€λŠ” $X$μ—μ„œ $Y$둜의 ν•¨μˆ˜ $f$의 κ°œμˆ˜λŠ”? [4점]
2
+
3
+ \begin{itemize}
4
+ \item[(κ°€)] 집합 $X$의 λͺ¨λ“  μ›μ†Œ $x$에 λŒ€ν•˜μ—¬ $f(x) \geq \sqrt{x}$이닀.
5
+ \item[(λ‚˜)] ν•¨μˆ˜ $f$의 μΉ˜μ—­μ˜ μ›μ†Œμ˜ κ°œμˆ˜λŠ” 3이닀.
6
+ \end{itemize}
7
+
8
+ \begin{itemize}
9
+ \item[1] 128
10
+ \item[2] 138
11
+ \item[3] 148
12
+ \item[4] 158
13
+ \item[5] 168
14
+ \end{itemize}
data/json/2022/math/math_29_calc.txt ADDED
@@ -0,0 +1,7 @@
 
 
 
 
 
 
 
 
1
+ 29. κ·Έλ¦Όκ³Ό 같이 길이가 2인 μ„ λΆ„ \(\mathrm{AB}\)λ₯Ό μ§€λ¦„μœΌλ‘œ ν•˜λŠ” λ°˜μ›μ΄ μžˆλ‹€. 호 \(\mathrm{AB}\) μœ„μ— 두 점 \(\mathrm{P}\), \(\mathrm{Q}\)λ₯Ό \(\angle \mathrm{PAB} = \theta\), \(\angle \mathrm{QBA} = 2\theta\)κ°€ λ˜λ„λ‘ 작고, 두 μ„ λΆ„ \(\mathrm{AP}\), \(\mathrm{BQ}\)의 ꡐ점을 \(\mathrm{R}\)라 ν•˜μž. μ„ λΆ„ \(\mathrm{AB}\) μœ„μ˜ 점 \(\mathrm{S}\), μ„ λΆ„ \(\mathrm{BR}\) μœ„μ˜ 점 \(\mathrm{T}\), μ„ λΆ„ \(\mathrm{AR}\) μœ„μ˜ 점 \(\mathrm{U}\)λ₯Ό μ„ λΆ„ \(\mathrm{UT}\)κ°€ μ„ λΆ„ \(\mathrm{AB}\)에 ν‰ν–‰ν•˜κ³  μ‚Όκ°ν˜• \(\mathrm{STU}\)κ°€ μ •μ‚Όκ°ν˜•μ΄ λ˜λ„λ‘ μž‘λŠ”λ‹€. 두 μ„ λΆ„ \(\mathrm{AR}\), \(\mathrm{QR}\)와 호 \(\mathrm{AQ}\)둜 λ‘˜λŸ¬μ‹ΈμΈ λΆ€λΆ„μ˜ 넓이λ₯Ό \(f(\theta)\), μ‚Όκ°ν˜• \(\mathrm{STU}\)의 넓이λ₯Ό \(g(\theta)\)라 ν•  λ•Œ,
2
+ \[
3
+ \lim_{\theta \to 0+} \frac{g(\theta)}{\theta \times f(\theta)} = \frac{q}{p} \sqrt{3}
4
+ \]
5
+ 이닀. \(p + q\)의 값을 κ΅¬ν•˜μ‹œμ˜€.
6
+
7
+ (단, \(0 < \theta < \frac{\pi}{6}\)이고, \(p\)와 \(q\)λŠ” μ„œλ‘œμ†ŒμΈ μžμ—°μˆ˜μ΄λ‹€.) [4점]
data/json/2022/math/math_29_geom.txt ADDED
@@ -0,0 +1,14 @@
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
+ 29. μ’Œν‘œν‰λ©΄μ—μ„œ $\overline{\mathrm{OA}} = \sqrt{2}$, $\overline{\mathrm{OB}} = 2\sqrt{2}$이고
2
+
3
+ \[
4
+ \cos(\angle \mathrm{AOB}) = \frac{1}{4}
5
+ \]
6
+
7
+ 인 ν‰ν–‰μ‚¬λ³€ν˜• $\mathrm{OACB}$에 λŒ€ν•˜μ—¬ 점 $\mathrm{P}$κ°€ λ‹€μŒ 쑰건을 λ§Œμ‘±μ‹œν‚¨λ‹€.
8
+
9
+ \begin{itemize}
10
+ \item[(κ°€)] $\overrightarrow{\mathrm{OP}} = s \overrightarrow{\mathrm{OA}} + t \overrightarrow{\mathrm{OB}} \quad (0 \leq s \leq 1, \ 0 \leq t \leq 1)$
11
+ \item[(λ‚˜)] $\overrightarrow{\mathrm{OP}} \cdot \overrightarrow{\mathrm{OB}} + \overrightarrow{\mathrm{BP}} \cdot \overrightarrow{\mathrm{BC}} = 2$
12
+ \end{itemize}
13
+
14
+ 점 $\mathrm{O}$λ₯Ό μ€‘μ‹¬μœΌλ‘œ ν•˜κ³  점 $\mathrm{A}$λ₯Ό μ§€λ‚˜λŠ” 원 μœ„λ₯Ό μ›€μ§μ΄λŠ” 점 $\mathrm{X}$에 λŒ€ν•˜μ—¬ $|3\overrightarrow{\mathrm{OP}} - \overrightarrow{\mathrm{OX}}|$의 μ΅œλŒ“κ°’κ³Ό μ΅œμ†Ÿκ°’μ„ 각각 $M$, $m$이라 ν•˜μž. $M \times m = a\sqrt{6} + b$일 λ•Œ, $a^2 + b^2$의 값을 κ΅¬ν•˜μ‹œμ˜€. (단, $a$와 $b$λŠ” μœ λ¦¬μˆ˜μ΄λ‹€.) [4점]
data/json/2022/math/math_29_prob.txt ADDED
@@ -0,0 +1,12 @@
 
 
 
 
 
 
 
 
 
 
 
 
 
1
+ 29. 두 연속확λ₯ λ³€μˆ˜ \( X \)와 \( Y \)κ°€ κ°–λŠ” κ°’μ˜ λ²”μœ„λŠ” \( 0 \leq X \leq 6 \),
2
+ \( 0 \leq Y \leq 6 \)이고, \( X \)와 \( Y \)의 ν™•λ₯ λ°€λ„ν•¨μˆ˜λŠ” 각각 \( f(x), g(x) \)이닀.
3
+ ν™•λ₯ λ³€μˆ˜ \( X \)의 ν™•λ₯ λ°€λ„ν•¨μˆ˜ \( f(x) \)의 κ·Έλž˜ν”„λŠ” κ·Έλ¦Όκ³Ό κ°™λ‹€.
4
+
5
+ \[
6
+ 0 \leq x \leq 6\ \text{인 λͺ¨λ“  } x \text{에 λŒ€ν•˜μ—¬}
7
+ \]
8
+ \[
9
+ f(x) + g(x) = k \quad (k \text{λŠ” μƒμˆ˜})
10
+ \]
11
+ λ₯Ό λ§Œμ‘±μ‹œν‚¬ λ•Œ, \( \mathrm{P}(6k \leq Y \leq 15k) = \frac{q}{p} \) 이닀. \( p + q \)의 값을 κ΅¬ν•˜μ‹œμ˜€.
12
+ (단, \( p \)와 \( q \)λŠ” μ„œλ‘œμ†ŒμΈ μžμ—°μˆ˜μ΄λ‹€.) [4점]
data/json/2022/math/math_3.txt ADDED
@@ -0,0 +1,13 @@
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
+ 3. λ“±μ°¨μˆ˜μ—΄ $\{a_n\}$에 λŒ€ν•˜μ—¬
2
+ \[
3
+ a_2 = 6, \quad a_4 + a_6 = 36
4
+ \]
5
+ 일 λ•Œ, $a_{10}$의 값은? [3점]
6
+
7
+ \begin{itemize}
8
+ \item[1] 30
9
+ \item[2] 32
10
+ \item[3] 34
11
+ \item[4] 36
12
+ \item[5] 38
13
+ \end{itemize}
data/json/2022/math/math_30_calc.txt ADDED
@@ -0,0 +1,11 @@
 
 
 
 
 
 
 
 
 
 
 
 
1
+ 30. μ‹€μˆ˜ μ „μ²΄μ˜ μ§‘ν•©μ—μ„œ μ¦κ°€ν•˜κ³  λ―ΈλΆ„κ°€λŠ₯ν•œ ν•¨μˆ˜ $f(x)$κ°€ λ‹€μŒ 쑰건을 λ§Œμ‘±μ‹œν‚¨λ‹€.
2
+
3
+ \begin{itemize}
4
+ \item[(κ°€)] $f(1) = 1$, \quad $\int_{1}^{2} f(x) \, dx = \frac{5}{4}$
5
+ \item[(λ‚˜)] ν•¨μˆ˜ $f(x)$의 μ—­ν•¨μˆ˜λ₯Ό $g(x)$라 ν•  λ•Œ, $x \geq 1$인 λͺ¨λ“  μ‹€μˆ˜ $x$에 λŒ€ν•˜μ—¬ $g(2x) = 2f(x)$이닀.
6
+ \end{itemize}
7
+
8
+ \[
9
+ \int_{1}^{8} x f'(x) \, dx = \frac{q}{p} \text{일 λ•Œ, } p+q \text{의 값을 κ΅¬ν•˜μ‹œμ˜€.}
10
+ \]
11
+ (단, $p$와 $q$λŠ” μ„œλ‘œμ†ŒμΈ μžμ—°μˆ˜μ΄λ‹€.) [4점]
data/json/2022/math/math_30_geom.txt ADDED
@@ -0,0 +1,11 @@
 
 
 
 
 
 
 
 
 
 
 
 
1
+ 30. μ’Œν‘œκ³΅κ°„μ— 쀑심이 $\mathrm{C}(2, \sqrt{5}, 5)$이고 점 $\mathrm{P}(0, 0, 1)$을 μ§€λ‚˜λŠ” ꡬ
2
+
3
+ \[
4
+ S: (x - 2)^2 + (y - \sqrt{5})^2 + (z - 5)^2 = 25
5
+ \]
6
+
7
+ κ°€ μžˆλ‹€. ꡬ $S$κ°€ 평면 $\mathrm{OPC}$와 λ§Œλ‚˜μ„œ μƒκΈ°λŠ” 원 μœ„λ₯Ό μ›€μ§μ΄λŠ” 점 $\mathrm{Q}$, ꡬ $S$ μœ„λ₯Ό μ›€μ§μ΄λŠ” 점 $\mathrm{R}$에 λŒ€ν•˜μ—¬ 두 점 $\mathrm{Q}, \mathrm{R}$의 $xy$평면 μœ„λ‘œμ˜ μ •μ‚¬μ˜μ„ 각각 $\mathrm{Q}_1, \mathrm{R}_1$이라 ν•˜μž.
8
+
9
+ μ‚Όκ°ν˜• $\mathrm{O}\mathrm{Q}_1\mathrm{R}_1$의 넓이가 μ΅œλŒ€κ°€ λ˜λ„λ‘ ν•˜λŠ” 두 점 $\mathrm{Q}, \mathrm{R}$에 λŒ€ν•˜μ—¬ μ‚Όκ°ν˜• $\mathrm{O}\mathrm{Q}_1\mathrm{R}_1$의 평면 $\mathrm{PQR}$ μœ„λ‘œμ˜ μ •μ‚¬μ˜μ˜ λ„“μ΄λŠ” $\frac{q}{p} \sqrt{6}$이닀. $p+q$의 값을 κ΅¬ν•˜μ‹œμ˜€.
10
+
11
+ (단, $\mathrm{O}$λŠ” 원점이고 μ„Έ 점 $\mathrm{O}, \mathrm{Q}_1, \mathrm{R}_1$은 ν•œ 직선 μœ„μ— μžˆμ§€ μ•ŠμœΌλ©°, $p$와 $q$λŠ” μ„œλ‘œμ†ŒμΈ μžμ—°μˆ˜μ΄λ‹€.) [4점]
data/json/2022/math/math_30_prob.txt ADDED
@@ -0,0 +1,15 @@
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
+ 30. 흰 곡과 검은 곡이 각각 10개 이상 λ“€μ–΄ μžˆλŠ” λ°”κ΅¬λ‹ˆμ™€ λΉ„μ–΄ μžˆλŠ” μ£Όλ¨Έλ‹ˆκ°€ μžˆλ‹€. ν•œ 개의 μ£Όμ‚¬μœ„λ₯Ό μ‚¬μš©ν•˜μ—¬ λ‹€μŒ μ‹œν–‰μ„ ν•œλ‹€.
2
+
3
+ \[
4
+ \begin{array}{|c|}
5
+ \hline
6
+ \text{μ£Όμ‚¬μœ„λ₯Ό ν•œ 번 던져} \\
7
+ \text{λ‚˜μ˜¨ 눈의 μˆ˜κ°€ 5 이상이면} \\
8
+ \text{λ°”κ΅¬λ‹ˆμ— μžˆλŠ” 흰 곡 2개λ₯Ό μ£Όλ¨Έλ‹ˆμ— λ„£κ³ ,} \\
9
+ \text{λ‚˜μ˜¨ 눈의 μˆ˜κ°€ 4 μ΄ν•˜μ΄λ©΄} \\
10
+ \text{λ°”κ΅¬λ‹ˆμ— μžˆλŠ” 검은 곡 1개λ₯Ό μ£Όλ¨Έλ‹ˆμ— λ„£λŠ”λ‹€.} \\
11
+ \hline
12
+ \end{array}
13
+ \]
14
+
15
+ μœ„μ˜ μ‹œν–‰μ„ 5번 λ°˜λ³΅ν•  λ•Œ, \( n(1 \leq n \leq 5) \)번째 μ‹œν–‰ ν›„ μ£Όλ¨Έλ‹ˆμ— λ“€μ–΄ μžˆλŠ” 흰 곡과 검은 곡의 개수λ₯Ό 각각 \( a_n \), \( b_n \)이라 ν•˜μž. \( a_5 + b_5 \geq 7 \)일 λ•Œ, \( a_k = b_k \)인 μžμ—°μˆ˜ \( k(1 \leq k \leq 5) \)κ°€ μ‘΄μž¬ν•  ν™•λ₯ μ„ \( \frac{q}{p} \)이닀. \( p + q \)의 값을 κ΅¬ν•˜μ‹œμ˜€. (단, \(p\)와 \(q\)λŠ” μ„œλ‘œμ†ŒμΈ μžμ—°μˆ˜μ΄λ‹€.) [4점]
data/json/2022/math/math_4.txt ADDED
@@ -0,0 +1,13 @@
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
+ 4. ν•¨μˆ˜ \( y = f(x) \)의 κ·Έλž˜ν”„κ°€ κ·Έλ¦Όκ³Ό κ°™λ‹€.
2
+
3
+ \[
4
+ \lim_{x \to -1-} f(x) + \lim_{x \to 2} f(x) \text{의 값은? [3점]}
5
+ \]
6
+
7
+ \begin{itemize}
8
+ \item[1] 1
9
+ \item[2] 2
10
+ \item[3] 3
11
+ \item[4] 4
12
+ \item[5] 5
13
+ \end{itemize}
data/json/2022/math/math_5.txt ADDED
@@ -0,0 +1,16 @@
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
+ 5. 첫째항이 1인 μˆ˜μ—΄ $\{a_n\}$이 λͺ¨λ“  μžμ—°μˆ˜ $n$에 λŒ€ν•˜μ—¬
2
+ \[
3
+ a_{n+1} = \begin{cases}
4
+ 2a_n & (a_n < 7) \\
5
+ a_n - 7 & (a_n \geq 7)
6
+ \end{cases}
7
+ \]
8
+ 일 λ•Œ, $\sum_{k=1}^{8} a_k$의 값은? [3점]
9
+
10
+ \begin{itemize}
11
+ \item[1] 30
12
+ \item[2] 32
13
+ \item[3] 34
14
+ \item[4] 36
15
+ \item[5] 38
16
+ \end{itemize}
data/json/2022/math/math_6.txt ADDED
@@ -0,0 +1,9 @@
 
 
 
 
 
 
 
 
 
 
1
+ 6. 방정식 \( 2x^3 - 3x^2 - 12x + k = 0 \)이 μ„œλ‘œ λ‹€λ₯Έ μ„Έ 싀근을 갖도둝 ν•˜λŠ” μ •μˆ˜ \( k \)의 κ°œμˆ˜λŠ”? [3점]
2
+
3
+ \begin{itemize}
4
+ \item[1] 20
5
+ \item[2] 23
6
+ \item[3] 26
7
+ \item[4] 29
8
+ \item[5] 32
9
+ \end{itemize}
data/json/2022/math/math_7.txt ADDED
@@ -0,0 +1,9 @@
 
 
 
 
 
 
 
 
 
 
1
+ 7. \(\pi < \theta < \frac{3}{2}\pi\)인 \(\theta\)에 λŒ€ν•˜μ—¬ \(\tan \theta - \frac{6}{\tan \theta} = 1\)일 λ•Œ, \( \sin \theta + \cos \theta \)의 값은? [3점]
2
+
3
+ \begin{itemize}
4
+ \item[1] \(-\frac{2\sqrt{10}}{5}\)
5
+ \item[2] \(-\frac{\sqrt{10}}{5}\)
6
+ \item[3] \(0\)
7
+ \item[4] \(\frac{\sqrt{10}}{5}\)
8
+ \item[5] \(\frac{2\sqrt{10}}{5}\)
9
+ \end{itemize}
data/json/2022/math/math_8.txt ADDED
@@ -0,0 +1,9 @@
 
 
 
 
 
 
 
 
 
 
1
+ 8. 곑선 \( y = x^2 - 5x \)와 직선 \( y = x \)둜 λ‘˜λŸ¬μ‹ΈμΈ λΆ€λΆ„μ˜ 넓이λ₯Ό 직선 \( x = k \)κ°€ 이등뢄할 λ•Œ, μƒμˆ˜ \( k \)의 값은? [3점]
2
+
3
+ \begin{itemize}
4
+ \item[1] \( 3 \)
5
+ \item[2] \( \frac{13}{4} \)
6
+ \item[3] \( \frac{7}{2} \)
7
+ \item[4] \( \frac{15}{4} \)
8
+ \item[5] \( 4 \)
9
+ \end{itemize}
data/json/2022/math/math_9.txt ADDED
@@ -0,0 +1,15 @@
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
+ 9. 직선 \( y = 2x + k \) κ°€ 두 ν•¨μˆ˜
2
+
3
+ \[
4
+ y = \left( \frac{2}{3} \right)^{x+3} + 1, \quad y = \left( \frac{2}{3} \right)^{x+1} + \frac{8}{3}
5
+ \]
6
+
7
+ 의 κ·Έλž˜ν”„μ™€ λ§Œλ‚˜λŠ” 점을 각각 \( \mathrm{P} \), \( \mathrm{Q} \)라 ν•˜μž. \( \overline{\mathrm{PQ}} = \sqrt{5} \)일 λ•Œ, μƒμˆ˜ \( k \)의 값은? [4점]
8
+
9
+ \begin{itemize}
10
+ \item[1] \( \frac{31}{6} \)
11
+ \item[2] \( \frac{16}{3} \)
12
+ \item[3] \( \frac{11}{2} \)
13
+ \item[4] \( \frac{17}{3} \)
14
+ \item[5] \( \frac{35}{6} \)
15
+ \end{itemize}
data/json/2022/math/prompt.txt ADDED
@@ -0,0 +1,52 @@
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
+ 1. $\left( \frac{4}{2^{\sqrt{2}}} \right)^{2 + \sqrt{2}}$ 의 값은? [2점]
2
+
3
+ \begin{itemize}
4
+ \item[1] $\frac{1}{4}$
5
+ \item[2] $\frac{1}{2}$
6
+ \item[3] $1$
7
+ \item[4] $2$
8
+ \item[5] $4$
9
+ \end{itemize}
10
+
11
+ #############
12
+ 2. $\lim_{x \to \infty} \frac{\sqrt{x^2 - 2 + 3x}}{x + 5}$ 의 값은? [2점]
13
+
14
+ \begin{itemize}
15
+ \item[1] 1
16
+ \item[2] 2
17
+ \item[3] 3
18
+ \item[4] 4
19
+ \item[5] 5
20
+ \end{itemize}
21
+
22
+ #############
23
+ 3. 곡비가 μ–‘μˆ˜μΈ λ“±λΉ„μˆ˜μ—΄$\{a_n\}$이
24
+
25
+ \[ a_2 + a_4 = 30, \quad a_4 + a_6 = \frac{15}{2} \]
26
+ λ₯Ό λ§Œμ‘±μ‹œν‚¬ λ•Œ, $a_1$ 의 값은? [3점]
27
+
28
+ \begin{itemize}
29
+ \item[1] 48
30
+ \item[2] 56
31
+ \item[3] 64
32
+ \item[4] 72
33
+ \item[5] 80
34
+ \end{itemize}
35
+
36
+ #############
37
+ 4. λ‹€ν•­ν•¨μˆ˜ $f(x)$에 λŒ€ν•˜μ—¬ ν•¨μˆ˜ $g(x)$ λ₯Ό
38
+
39
+ \[ g(x) = x^2 f(x) \]
40
+ 라 ν•˜μž. $f(2) = 1, \ f'(2) = 3$ 일 λ•Œ, $g'(2)$ 의 값은? [3점]
41
+
42
+ \begin{itemize}
43
+ \item[1] 12
44
+ \item[2] 14
45
+ \item[3] 16
46
+ \item[4] 18
47
+ \item[5] 20
48
+ \end{itemize}
49
+
50
+ #############
51
+
52
+ Give the latex code like the examples for the problem in the image
data/json/2022/math_v1.json ADDED
@@ -0,0 +1,46 @@
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
+ {"id":1,"name":"1","problem":"1. $\\left(2^{\\sqrt{3}} \\times 4\\right)^{\\sqrt{3} - 2}$ 의 값은? [2점] \\begin{itemize} \\item[1] \\frac{1}{4} \\item[2] \\frac{1}{2} \\item[3] 1 \\item[4] 2 \\item[5] 4 \\end{itemize}","answer":2,"score":2,"review":null}
2
+ {"id":2,"name":"2","problem":"2. ν•¨μˆ˜ $f(x) = x^3 + 3x^2 + x - 1$ 에 λŒ€ν•˜μ—¬ $f'(1)$의 값은? [2점] \\begin{itemize} \\item[1] 6 \\item[2] 7 \\item[3] 8 \\item[4] 9 \\item[5] 10 \\end{itemize}","answer":5,"score":2,"review":null}
3
+ {"id":3,"name":"3","problem":"3. λ“±μ°¨μˆ˜μ—΄ $\\{a_n\\}$에 λŒ€ν•˜μ—¬ \\[ a_2 = 6, \\quad a_4 + a_6 = 36 \\] 일 λ•Œ, $a_{10}$의 값은? [3점] \\begin{itemize} \\item[1] 30 \\item[2] 32 \\item[3] 34 \\item[4] 36 \\item[5] 38 \\end{itemize}","answer":5,"score":3,"review":null}
4
+ {"id":4,"name":"4","problem":"4. ν•¨μˆ˜ $( y = f(x) )$의 κ·Έλž˜ν”„κ°€ κ·Έλ¦Όκ³Ό κ°™λ‹€.\n\n\\[ \\lim_{x \\to -1-} f(x) + \\lim_{x \\to 2} f(x) \\text{의 값은? [3점]} \\]\n\n\\begin{itemize} \\item[1] 1 \\item[2] 2 \\item[3] 3 \\item[4] 4 \\item[5] 5 \\end{itemize}","answer":4,"score":3,"review":"Removed figure and the statement referring to the figure. The figure is needed to solve the problem.","incomplete":true}
5
+ {"id":5,"name":"5","problem":"5. 첫째항이 1인 μˆ˜μ—΄ $\\{a_n\\}$이 λͺ¨λ“  μžμ—°μˆ˜ $n$에 λŒ€ν•˜μ—¬ \\[ a_{n+1} = \\begin{cases} 2a_n & (a_n < 7) \\\\ a_n - 7 & (a_n \\geq 7) \\end{cases} \\] 일 λ•Œ, $\\sum_{k=1}^{8} a_k$의 값은? [3점] \\begin{itemize} \\item[1] 30 \\item[2] 32 \\item[3] 34 \\item[4] 36 \\item[5] 38 \\end{itemize}","answer":1,"score":3,"review":null}
6
+ {"id":6,"name":"6","problem":"6. 방정식 $( 2x^3 - 3x^2 - 12x + k = 0 )$이 μ„œλ‘œ λ‹€λ₯Έ μ„Έ 싀근을 갖도둝 ν•˜λŠ” μ •μˆ˜ $k$의 κ°œμˆ˜λŠ”? [3점] \\begin{itemize} \\item[1] 20 \\item[2] 23 \\item[3] 26 \\item[4] 29 \\item[5] 32 \\end{itemize}","answer":3,"score":3,"review":null}
7
+ {"id":7,"name":"7","problem":"7. $( \\pi < \\theta < \\frac{3}{2}\\pi )$인 $\\theta$에 λŒ€ν•˜μ—¬ $\\tan \\theta - \\frac{6}{\\tan \\theta} = 1$일 λ•Œ, $ \\sin \\theta + \\cos \\theta $의 값은? [3점] \\begin{itemize} \\item[1] -\\frac{2\\sqrt{10}}{5} \\item[2] -\\frac{\\sqrt{10}}{5} \\item[3] 0 \\item[4] \\frac{\\sqrt{10}}{5} \\item[5] \\frac{2\\sqrt{10}}{5} \\end{itemize}","answer":1,"score":3,"review":null}
8
+ {"id":8,"name":"8","problem":"8. 곑선 $( y = x^2 - 5x )$와 직선 $( y = x )$둜 λ‘˜λŸ¬μ‹ΈμΈ λΆ€λΆ„μ˜ 넓이λ₯Ό 직선 $( x = k )$κ°€ 이등뢄할 λ•Œ, μƒμˆ˜ $k$의 값은? [3점] \\begin{itemize} \\item[1] 3 \\item[2] \\frac{13}{4} \\item[3] \\frac{7}{2} \\item[4] \\frac{15}{4} \\item[5] 4 \\end{itemize}","answer":1,"score":3,"review":null}
9
+ {"id":9,"name":"9","problem":"9. 직선 $( y = 2x + k )$ κ°€ 두 ν•¨μˆ˜ \\[ y = \\left( \\frac{2}{3} \\right)^{x+3} + 1, \\quad y = \\left( \\frac{2}{3} \\right)^{x+1} + \\frac{8}{3} \\] 의 κ·Έλž˜ν”„μ™€ λ§Œλ‚˜λŠ” 점을 각각 $( \\mathrm{P} )$, $( \\mathrm{Q} )$라 ν•˜μž. $\\overline{\\mathrm{PQ}} = \\sqrt{5}$일 λ•Œ, μƒμˆ˜ $k$의 값은? [4점] \\begin{itemize} \\item[1] \\frac{31}{6} \\item[2] \\frac{16}{3} \\item[3] \\frac{11}{2} \\item[4] \\frac{17}{3} \\item[5] \\frac{35}{6} \\end{itemize}","answer":4,"score":4,"review":"Removed figure."}
10
+ {"id":10,"name":"10","problem":"10. μ‚Όμ°¨ν•¨μˆ˜ $( f(x) )$에 λŒ€ν•˜μ—¬ 곑선 $( y = f(x) )$ μœ„μ˜ 점 $( 0, 0 )$μ—μ„œμ˜ μ ‘μ„ κ³Ό 곑선 $( y = x f(x) )$ μœ„μ˜ 점 $( 1, 2 )$μ—μ„œμ˜ 접선이 μΌμΉ˜ν•  λ•Œ, $f'(2)$의 값은? [4점] \\begin{itemize} \\item[1] -18 \\item[2] -17 \\item[3] -16 \\item[4] -15 \\item[5] -14 \\end{itemize}","answer":5,"score":4,"review":null}
11
+ {"id":11,"name":"11","problem":"11. μ–‘μˆ˜ $a$에 λŒ€ν•˜μ—¬ 집합 $\\left\\{ x \\ \\middle| \\ -\\frac{a}{2} < x \\leq a, \\ x \\neq \\frac{a}{2} \\right\\}$ μ—μ„œ μ •μ˜λœ ν•¨μˆ˜ \\[ f(x) = \\tan \\frac{\\pi x}{a} \\] κ°€ μžˆλ‹€. κ·Έλ¦Όκ³Ό 같이 ν•¨μˆ˜ $y = f(x)$의 κ·Έλž˜ν”„ μœ„μ˜ μ„Έ 점 $( \\mathrm{O, A, B} )$λ₯Ό μ§€λ‚˜λŠ” 직선이 μžˆλ‹€. 점 $( \\mathrm{A} )$λ₯Ό μ§€λ‚˜κ³  $x$좕에 ν‰ν–‰ν•œ 직선이 ν•¨μˆ˜ $y = f(x)$의 κ·Έλž˜ν”„μ™€ λ§Œλ‚˜λŠ” 점 쀑 $( \\mathrm{A} )$κ°€ μ•„λ‹Œ 점을 $( \\mathrm{C} )$라 ν•˜μž. μ‚Όκ°ν˜• $( \\mathrm{ABC} )$κ°€ μ •μ‚Όκ°ν˜•μΌ λ•Œ, μ‚Όκ°ν˜• $( \\mathrm{ABC} )$의 λ„“μ΄λŠ”? (단, $( \\mathrm{O} )$λŠ” 원점이닀.) [4점] \\begin{itemize} \\item[1] \\frac{3\\sqrt{3}}{2} \\item[2] \\frac{17\\sqrt{3}}{12} \\item[3] \\frac{4\\sqrt{3}}{3} \\item[4] \\frac{5\\sqrt{3}}{4} \\item[5] \\frac{7\\sqrt{3}}{6} \\end{itemize}","answer":3,"score":4,"review":"Removed figure and the statement referring to the figure."}
12
+ {"id":12,"name":"12","problem":"12. μ‹€μˆ˜ μ „μ²΄μ˜ μ§‘ν•©μ—μ„œ 연속인 ν•¨μˆ˜ $f(x)$κ°€ λͺ¨λ“  μ‹€μˆ˜ $x$에 λŒ€ν•˜μ—¬ \\[ \\{f(x)\\}^3 - \\{f(x)\\}^2 - x^2 f(x) + x^2 = 0 \\] 을 λ§Œμ‘±μ‹œν‚¨λ‹€. ν•¨μˆ˜ $f(x)$의 μ΅œλŒ“κ°’μ΄ 1이고 μ΅œμ†Ÿκ°’μ΄ 0일 λ•Œ, \\[ f\\left( -\\frac{4}{3} \\right) + f(0) + f\\left( \\frac{1}{2} \\right) \\] 의 값은? [4점] \\begin{itemize} \\item[1] \\frac{1}{2} \\item[2] 1 \\item[3] \\frac{3}{2} \\item[4] 2 \\item[5] \\frac{5}{2} \\end{itemize}","answer":3,"score":4,"review":null}
13
+ {"id":13,"name":"13","problem":"13. 두 μƒμˆ˜ $( a, b \\ (1 < a < b) )$에 λŒ€ν•˜μ—¬ μ’Œν‘œν‰λ©΄ μœ„μ˜ 두 점 $(a, \\log_2 a), \\ (b, \\log_2 b)$λ₯Ό μ§€λ‚˜λŠ” μ§μ„ μ˜ $y$절편과 두 점 $(a, \\log_4 a), \\ (b, \\log_4 b)$λ₯Ό μ§€λ‚˜λŠ” μ§μ„ μ˜ $y$절편이 κ°™λ‹€. ν•¨μˆ˜ $f(x) = a^{bx} + b^{ax}$에 λŒ€ν•˜μ—¬ $f(1) = 40$일 λ•Œ, $f(2)$의 값은? [4점] \\begin{itemize} \\item[1] 760 \\item[2] 800 \\item[3] 840 \\item[4] 880 \\item[5] 920 \\end{itemize}","answer":2,"score":4,"review":null}
14
+ {"id":14,"name":"14","problem":"14. μˆ˜μ§μ„  μœ„λ₯Ό μ›€μ§μ΄λŠ” 점 $\\mathrm{P}$의 μ‹œκ° $t$μ—μ„œμ˜ μœ„μΉ˜ $x(t)$κ°€ 두 μƒμˆ˜ $a$, $b$에 λŒ€ν•˜μ—¬ \\[ x(t) = t(t - 1)(at + b) \\quad (a \\neq 0) \\] 이닀. 점 $\\mathrm{P}$의 μ‹œκ° $t$μ—μ„œμ˜ 속도 $v(t)$κ°€ $\\int_0^1 |v(t)| \\, dt = 2$λ₯Ό λ§Œμ‘±μ‹œν‚¬ λ•Œ, μ•„λž˜ γ„±, γ„΄, γ„· μ€‘μ—μ„œ μ˜³μ€ κ²ƒλ§Œμ„ μžˆλŠ” λŒ€λ‘œ κ³ λ₯Έ 것은? [4점]\n\n\\begin{itemize} \\item[γ„±.] $\\int_0^1 v(t) \\, dt = 0$ \\item[γ„΄.] $|x(t_1)| > 1$인 $t_1$이 열린ꡬ간 $(0, 1)$에 μ‘΄μž¬ν•œλ‹€. \\item[γ„·.] $0 \\leq t \\leq 1$인 λͺ¨λ“  $t$에 λŒ€ν•˜μ—¬ $|x(t)| < 1$이면 $x(t_2) = 0$인 $t_2$κ°€ 열린ꡬ간 $(0, 1)$에 μ‘΄μž¬ν•œλ‹€. \\end{itemize}\n\n\\begin{itemize} \\item[1] γ„± \\item[2] γ„±, γ„΄ \\item[3] γ„±, γ„· \\item[4] γ„΄, γ„· \\item[5] γ„±, γ„΄, γ„· \\end{itemize}","answer":3,"score":4,"review":"<보기> changed to 'μ•„λž˜ γ„±,γ„΄,γ„·, 쀑'"}
15
+ {"id":15,"name":"15","problem":"15. 두 점 $( \\mathrm{O}_1, \\mathrm{O}_2 )$λ₯Ό 각각 μ€‘μ‹¬μœΌλ‘œ ν•˜κ³  λ°˜μ§€λ¦„μ˜ 길이가 $(\\overline{\\mathrm{O}_1\\mathrm{O}_2} )$인 두 원 $( C_1, C_2 )$κ°€ μžˆλ‹€. κ·Έλ¦Όκ³Ό 같이 원 $( C_1 )$ μœ„μ˜ μ„œλ‘œ λ‹€λ₯Έ μ„Έ 점 $( \\mathrm{A}, \\mathrm{B}, \\mathrm{C} )$와 원 $( C_2 )$ μœ„μ˜ 점 $( \\mathrm{D} )$κ°€ μ£Όμ–΄μ Έ 있고, μ„Έ 점 $( \\mathrm{A}, \\mathrm{O}_1, \\mathrm{O}_2 )$와 μ„Έ 점 $( \\mathrm{C}, \\mathrm{O}_2, \\mathrm{D} )$κ°€ 각각 ν•œ 직선 μœ„μ— μžˆλ‹€.\n\nμ΄λ•Œ $(\\angle \\mathrm{B}\\mathrm{O}_1\\mathrm{A} = \\theta_1)$, $(\\angle \\mathrm{O}_2\\mathrm{O}_1\\mathrm{C} = \\theta_2)$, $(\\angle \\mathrm{O}_1\\mathrm{O}_2\\mathrm{D} = \\theta_3)$이라 ν•˜μž.\n\nλ‹€μŒμ€ $( \\overline{\\mathrm{A}\\mathrm{B}} : \\overline{\\mathrm{O}_1\\mathrm{D}} = 1 : 2\\sqrt{2} )$이고 $( \\theta_3 = \\theta_1 + \\theta_2 )$일 λ•Œ, μ„ λΆ„ $( \\mathrm{A}\\mathrm{B} )$와 μ„ λΆ„ $( \\mathrm{C}\\mathrm{D} )$의 길이의 λΉ„λ₯Ό κ΅¬ν•˜λŠ” 과정이닀.\n\n\\[ \\begin{aligned} &\\angle \\mathrm{C}\\mathrm{O}_2\\mathrm{O}_1 + \\angle \\mathrm{O}_1\\mathrm{O}_2\\mathrm{D} = \\pi \\text{μ΄λ―€λ‘œ } \\theta_3 = \\frac{\\pi}{2} + \\frac{\\theta_2}{2} \\text{이고} \\\\ &\\theta_3 = \\theta_1 + \\theta_2 \\text{μ—μ„œ } 2\\theta_1 + \\theta_2 = \\pi \\text{μ΄λ―€λ‘œ } \\angle \\mathrm{C}\\mathrm{O}_1\\mathrm{B} = \\theta_1 \\text{이닀.} \\\\ &\\text{μ΄λ•Œ } \\angle \\mathrm{O}_2\\mathrm{O}_1\\mathrm{B} = \\theta_1 + \\theta_2 = \\theta_3 \\text{μ΄λ―€λ‘œ μ‚Όκ°ν˜• } \\mathrm{O}_1\\mathrm{O}_2\\mathrm{B} \\text{와 μ‚Όκ°ν˜• } \\mathrm{O}_2\\mathrm{O}_1\\mathrm{D} \\text{λŠ” 합동이닀.} \\\\ &\\overline{\\mathrm{A}\\mathrm{B}} = k \\text{라 ν•  λ•Œ} \\\\ &\\overline{\\mathrm{B}\\mathrm{O}_2} = \\overline{\\mathrm{O}_1\\mathrm{D}}= 2\\sqrt{2}k \\text{μ΄λ―€λ‘œ } \\overline{\\mathrm{A}\\mathrm{O}_2} = \\text{(κ°€)이고,} \\\\ &\\angle \\mathrm{B}\\mathrm{O}_2\\mathrm{A} = \\frac{\\theta_1}{2} \\text{μ΄λ―€λ‘œ } \\cos \\frac{\\theta_1}{2} = \\text{(λ‚˜) 이닀.} \\\\ &\\text{μ‚Όκ°ν˜• } \\mathrm{O}_2\\mathrm{B}\\mathrm{C} \\text{μ—μ„œ} \\\\ &\\overline{\\mathrm{B}\\mathrm{C}} = k, \\overline{\\mathrm{B}\\mathrm{O}_2} = 2\\sqrt{2}k, \\angle \\mathrm{C}\\mathrm{O}_2\\mathrm{B} = \\frac{\\theta_1}{2} \\text{μ΄λ―€λ‘œ} \\\\ &\\text{코사인법칙에 μ˜ν•˜μ—¬ } \\overline{\\mathrm{O}_2\\mathrm{C}} = \\text{(λ‹€) 이닀.} \\\\ &\\overline{\\mathrm{C}\\mathrm{D}} = \\overline{\\mathrm{O}_2\\mathrm{D}} + \\overline{\\mathrm{O}_2\\mathrm{C}} = \\overline{\\mathrm{O}_1\\mathrm{O}_2} + \\overline{\\mathrm{O}_2\\mathrm{C}} \\text{μ΄λ―€λ‘œ} \\\\ &\\overline{\\mathrm{A}\\mathrm{B}} : \\overline{\\mathrm{C}\\mathrm{D}} = k : \\left(\\frac{\\text{(κ°€)}}{2} + \\text{(λ‹€)}\\right) \\text{이닀.} \\end{aligned} \\]\n\nμœ„μ˜ (κ°€), (λ‹€)에 μ•Œλ§žμ€ 식을 각각 $( f(k), g(k) )$라 ν•˜κ³ , (λ‚˜)에 μ•Œλ§žμ€ 수λ₯Ό $( p )$라 ν•  λ•Œ, $( f(p) \\times g(p) )$의 값은? [4점]\n\n\\begin{itemize} \\item[1] \\frac{169}{27} \\item[2] \\frac{56}{9} \\item[3] \\frac{167}{27} \\item[4] \\frac{166}{27} \\item[5] \\frac{55}{9} \\end{itemize}","answer":2,"score":4,"review":"Removed figure and the statement referring to the figure."}
16
+ {"id":16,"name":"16","problem":"16. $\\log_2 120 - \\frac{1}{\\log_{15} 2}$ 의 값을 κ΅¬ν•˜μ‹œμ˜€. [3점]","answer":3,"score":3,"review":null}
17
+ {"id":17,"name":"17","problem":"17. ν•¨μˆ˜ $f(x)$에 λŒ€ν•˜μ—¬ $f'(x) = 3x^2 + 2x$이고 $f(0) = 2$일 λ•Œ, $f(1)$의 값을 κ΅¬ν•˜μ‹œμ˜€. [3점]","answer":4,"score":3,"review":null}
18
+ {"id":18,"name":"18","problem":"18. μˆ˜μ—΄ $\\{a_n\\}$에 λŒ€ν•˜μ—¬ \\[ \\sum_{k=1}^{10} a_k - \\sum_{k=1}^{7} \\frac{a_k}{2} = 56, \\quad \\sum_{k=1}^{10} 2a_k - \\sum_{k=1}^{8} a_k = 100 \\] 일 λ•Œ, $a_8$의 값을 κ΅¬ν•˜μ‹œμ˜€. [3점]","answer":12,"score":3,"review":null}
19
+ {"id":19,"name":"19","problem":"19. ν•¨μˆ˜ $f(x) = x^3 + ax^2 - (a^2 - 8a)x + 3$이 μ‹€μˆ˜ μ „μ²΄μ˜ μ§‘ν•©μ—μ„œ μ¦κ°€ν•˜λ„λ‘ ν•˜λŠ” μ‹€μˆ˜ $a$의 μ΅œλŒ“κ°’μ„ κ΅¬ν•˜μ‹œμ˜€. [3점]","answer":6,"score":3,"review":null}
20
+ {"id":20,"name":"20","problem":"20. μ‹€μˆ˜ μ „μ²΄μ˜ μ§‘ν•©μ—μ„œ λ―ΈλΆ„κ°€λŠ₯ν•œ ν•¨μˆ˜ $( f(x) )$κ°€ λ‹€μŒ 쑰건을 λ§Œμ‘±μ‹œν‚¨λ‹€.\n\n\\begin{itemize} \\item[(κ°€)] λ‹«νžŒκ΅¬κ°„ $[0, 1]$μ—μ„œ $f(x) = x$이닀. \\item[(λ‚˜)] μ–΄λ–€ μƒμˆ˜ $a, b$에 λŒ€ν•˜μ—¬ ꡬ간 $[0, \\infty)$μ—μ„œ $f(x+1) - x f(x) = ax + b$이닀. \\end{itemize}\n\n\\[ 60 \\times \\int_1^2 f(x) \\, dx \\] 의 값을 κ΅¬ν•˜μ‹œμ˜€. [4점]","answer":110,"score":4,"review":null}
21
+ {"id":21,"name":"21","problem":"21. μˆ˜μ—΄ $\\{a_n\\}$이 λ‹€μŒ 쑰건을 λ§Œμ‘±μ‹œν‚¨λ‹€.\n\n\\begin{itemize} \\item[(κ°€)] $( |a_1| = 2 )$ \\item[(λ‚˜)] λͺ¨λ“  μžμ—°μˆ˜ $( n )$에 λŒ€ν•˜μ—¬ $( |a_{n+1}| = 2|a_n| )$이닀. \\item[(λ‹€)] $\\sum_{n=1}^{10} a_n = -14$ \\end{itemize}\n\n$a_1 + a_3 + a_5 + a_7 + a_9$의 값을 κ΅¬ν•˜μ‹œμ˜€. [4점]","answer":678,"score":4,"review":null}
22
+ {"id":22,"name":"22","problem":"22. μ΅œκ³ μ°¨ν•­μ˜ κ³„μˆ˜κ°€ $\\frac{1}{2}$ 인 μ‚Όμ°¨ν•¨μˆ˜ $f(x)$와 μ‹€μˆ˜ $t$에 λŒ€ν•˜μ—¬ 방정식 $f'(x) = 0$이 λ‹«νžŒκ΅¬κ°„ $[t, t+2]$μ—μ„œ κ°–λŠ” μ‹€κ·Όμ˜ 개수λ₯Ό $g(t)$라 ν•  λ•Œ, ν•¨μˆ˜ $g(t)$λŠ” λ‹€μŒ 쑰건을 λ§Œμ‘±μ‹œν‚¨λ‹€.\n\n\\begin{itemize} \\item[(κ°€)] λͺ¨λ“  μ‹€μˆ˜ $( a )$에 λŒ€ν•˜μ—¬ $( \\lim_{t \\to a+} g(t) + \\lim_{t \\to a-} g(t) \\leq 2 )$이닀. \\item[(λ‚˜)] $( g(f(1)) = g(f(4)) = 2, \\ g(f(0)) = 1 )$ \\end{itemize}\n\n$f(5)$의 값을 κ΅¬ν•˜μ‹œμ˜€. [4점]","answer":9,"score":4,"review":null}
23
+ {"id":23,"name":"23_prob","problem":"23. 닀항식 $(x+2)^7$의 μ „κ°œμ‹μ—μ„œ $x^5$의 κ³„μˆ˜λŠ”? [2점] \\begin{itemize} \\item[1] 42 \\item[2] 56 \\item[3] 70 \\item[4] 84 \\item[5] 98 \\end{itemize}","answer":4,"score":2,"review":null}
24
+ {"id":24,"name":"24_prob","problem":"24. ν™•λ₯ λ³€μˆ˜ $X$κ°€ 이항뢄포 $\\mathrm{B}\\left(n, \\frac{1}{3}\\right)$을 λ”°λ₯΄κ³  $\\mathrm{V}(2X) = 40$일 λ•Œ, $n$의 값은? [3점] \\begin{itemize} \\item[1] 30 \\item[2] 35 \\item[3] 40 \\item[4] 45 \\item[5] 50 \\end{itemize}","answer":4,"score":3,"review":null}
25
+ {"id":25,"name":"25_prob","problem":"25. λ‹€μŒ 쑰건을 λ§Œμ‘±μ‹œν‚€λŠ” μžμ—°μˆ˜ $a, \\ b, \\ c, \\ d, \\ e$의 λͺ¨λ“  μˆœμ„œμŒ $(a, b, c, d, e)$의 κ°œμˆ˜λŠ”? [3점]\n\n\\begin{itemize} \\item[(κ°€)] $a + b + c + d + e = 12$ \\item[(λ‚˜)] $\\left| a^2 - b^2 \\right| = 5$ \\end{itemize}\n\n\\begin{itemize} \\item[1] 30 \\item[2] 32 \\item[3] 34 \\item[4] 36 \\item[5] 38 \\end{itemize}","answer":1,"score":3,"review":null}
26
+ {"id":26,"name":"26_prob","problem":"26. $( 1 )$λΆ€ν„° $( 10 )$κΉŒμ§€ μžμ—°μˆ˜κ°€ ν•˜λ‚˜μ”© μ ν˜€ μžˆλŠ” $( 10 )$μž₯의 μΉ΄λ“œκ°€ λ“€μ–΄ μžˆλŠ” μ£Όλ¨Έλ‹ˆκ°€ μžˆλ‹€. 이 μ£Όλ¨Έλ‹ˆμ—μ„œ μž„μ˜λ‘œ μΉ΄λ“œ $( 3 )$μž₯을 λ™μ‹œμ— κΊΌλ‚Ό λ•Œ, κΊΌλ‚Έ μΉ΄λ“œμ— μ ν˜€ μžˆλŠ” μ„Έ μžμ—°μˆ˜ μ€‘μ—μ„œ κ°€μž₯ μž‘μ€ μˆ˜κ°€ $( 4 )$ μ΄ν•˜μ΄κ±°λ‚˜ $( 7 )$ 이상일 ν™•λ₯ μ€? [3점]\n\n\\begin{itemize} \\item[1] \\frac{4}{5} \\item[2] \\frac{5}{6} \\item[3] \\frac{13}{15} \\item[4] \\frac{9}{10} \\item[5] \\frac{14}{15} \\end{itemize}","answer":3,"score":3,"review":"Removed figure."}
27
+ {"id":27,"name":"27_prob","problem":"27. μ–΄λŠ μžλ™μ°¨ νšŒμ‚¬μ—μ„œ μƒμ‚°ν•˜λŠ” μ „κΈ° μžλ™μ°¨μ˜ 1회 μΆ©μ „ μ£Όν–‰ κ±°λ¦¬λŠ” 평균이 $m$이고 ν‘œμ€€νŽΈμ°¨κ°€ $\\sigma$인 μ •κ·œλΆ„ν¬λ₯Ό λ”°λ₯Έλ‹€κ³  ν•œλ‹€.\n\n이 μžλ™μ°¨ νšŒμ‚¬μ—μ„œ μƒμ‚°ν•œ μ „κΈ° μžλ™μ°¨ 100λŒ€λ₯Ό μž„μ˜μΆ”μΆœν•˜μ—¬ 얻은 1회 μΆ©μ „ μ£Όν–‰ 거리의 ν‘œλ³Έν‰κ· μ΄ $\\overline{x_1}$일 λ•Œ, λͺ¨ν‰κ·  $m$에 λŒ€ν•œ 신뒰도 95\\%의 신뒰ꡬ간이 $a \\le m \\le b$이닀.\n\n이 μžλ™μ°¨ νšŒμ‚¬μ—μ„œ μƒμ‚°ν•œ μ „κΈ° μžλ™μ°¨ 400λŒ€λ₯Ό μž„μ˜μΆ”μΆœν•˜μ—¬ 얻은 1회 μΆ©μ „ μ£Όν–‰ 거리의 ν‘œλ³Έν‰κ· μ΄ $\\overline{x_2}$일 λ•Œ, λͺ¨ν‰κ·  $m$에 λŒ€ν•œ 신뒰도 99\\%의 신뒰ꡬ간이 $c \\le m \\le d$이닀.\n\n$\\overline{x_1} - \\overline{x_2} = 1.34$이고 $a = c$일 λ•Œ, $b - a$의 값은? (단, μ£Όν–‰ 거리의 λ‹¨μœ„λŠ” km이고, $Z$κ°€ ν‘œμ€€μ •κ·œλΆ„ν¬λ₯Ό λ”°λ₯΄λŠ” ν™•λ₯ λ³€μˆ˜μΌ λ•Œ $\\mathrm{P}(|Z| \\le 1.96) = 0.95$, $\\mathrm{P}(|Z| \\le 2.58) = 0.99$둜 κ³„μ‚°ν•œλ‹€.) [3점]\n\n\\begin{itemize} \\item[1] 5.88 \\item[2] 7.84 \\item[3] 9.80 \\item[4] 11.76 \\item[5] 13.72 \\end{itemize}","answer":2,"score":3,"review":null}
28
+ {"id":28,"name":"28_prob","problem":"28. 두 집합 $X = \\{1, 2, 3, 4, 5\\}$, $Y = \\{1, 2, 3, 4\\}$에 λŒ€ν•˜μ—¬ λ‹€μŒ 쑰건을 λ§Œμ‘±μ‹œν‚€λŠ” $X$μ—μ„œ $Y$둜의 ν•¨μˆ˜ $f$의 κ°œμˆ˜λŠ”? [4점]\n\n\\begin{itemize} \\item[(κ°€)] 집합 $X$의 λͺ¨λ“  μ›μ†Œ $x$에 λŒ€ν•˜μ—¬ $f(x) \\geq \\sqrt{x}$이닀. \\item[(λ‚˜)] ν•¨μˆ˜ $f$의 μΉ˜μ—­μ˜ μ›μ†Œμ˜ κ°œμˆ˜λŠ” 3이닀. \\end{itemize}\n\n\\begin{itemize} \\item[1] 128 \\item[2] 138 \\item[3] 148 \\item[4] 158 \\item[5] 168 \\end{itemize}","answer":1,"score":4,"review":null}
29
+ {"id":29,"name":"29_prob","problem":"29. 두 연속확λ₯ λ³€μˆ˜ $( X )$와 $( Y )$κ°€ κ°–λŠ” κ°’μ˜ λ²”μœ„λŠ” $( 0 \\leq X \\leq 6 )$, $( 0 \\leq Y \\leq 6 )$이고, $( X )$와 $( Y )$의 ν™•λ₯ λ°€λ„ν•¨μˆ˜λŠ” 각각 $( f(x), g(x) )$이닀. ν™•λ₯ λ³€μˆ˜ $( X )$의 ν™•λ₯ λ°€λ„ν•¨μˆ˜ $( f(x) )$의 κ·Έλž˜ν”„λŠ” κ·Έλ¦Όκ³Ό κ°™λ‹€.\n\n\\[ 0 \\leq x \\leq 6\\ \\text{인 λͺ¨λ“  } x \\text{에 λŒ€ν•˜μ—¬} \\]\n\\[ f(x) + g(x) = k \\quad (k \\text{λŠ” μƒμˆ˜}) \\]\nλ₯Ό λ§Œμ‘±μ‹œν‚¬ λ•Œ, $( \\mathrm{P}(6k \\leq Y \\leq 15k) = \\frac{q}{p} )$이닀. $( p + q )$의 값을 κ΅¬ν•˜μ‹œμ˜€. (단, $( p )$와 $( q )$λŠ” μ„œλ‘œμ†ŒμΈ μžμ—°μˆ˜μ΄λ‹€.) [4점]","answer":31,"score":4,"review":"Removed figure and the statement referring to the figure. The figure is needed to solve the problem.","incomplete":true}
30
+ {"id":30,"name":"30_prob","problem":"30. 흰 곡과 검은 곡이 각각 10개 이상 λ“€μ–΄ μžˆλŠ” λ°”κ΅¬λ‹ˆμ™€ λΉ„μ–΄ μžˆλŠ” μ£Όλ¨Έλ‹ˆκ°€ μžˆλ‹€. ν•œ 개의 μ£Όμ‚¬μœ„λ₯Ό μ‚¬μš©ν•˜μ—¬ λ‹€μŒ μ‹œν–‰μ„ ν•œλ‹€.\n\n\\[ \\begin{array}{|c|} \\hline \\text{μ£Όμ‚¬μœ„λ₯Ό ν•œ 번 던져} \\\\ \\text{λ‚˜μ˜¨ 눈의 μˆ˜κ°€ 5 이상이면} \\\\ \\text{λ°”κ΅¬λ‹ˆμ— μžˆλŠ” 흰 곡 2개λ₯Ό μ£Όλ¨Έλ‹ˆμ— λ„£κ³ ,} \\\\ \\text{λ‚˜μ˜¨ 눈의 μˆ˜κ°€ 4 μ΄ν•˜μ΄λ©΄} \\\\ \\text{λ°”κ΅¬λ‹ˆμ— μžˆλŠ” 검은 곡 1개λ₯Ό μ£Όλ¨Έλ‹ˆμ— λ„£λŠ”λ‹€.} \\\\ \\hline \\end{array} \\]\n\nμœ„μ˜ μ‹œν–‰μ„ 5번 λ°˜λ³΅ν•  λ•Œ, $( n(1 \\leq n \\leq 5) )$번째 μ‹œν–‰ ν›„ μ£Όλ¨Έλ‹ˆμ— λ“€μ–΄ μžˆλŠ” 흰 곡과 검은 곡의 개수λ₯Ό 각각 $( a_n )$, $( b_n )$이라 ν•˜μž. $( a_5 + b_5 \\geq 7 )$일 λ•Œ, $( a_k = b_k )$인 μžμ—°μˆ˜ $( k(1 \\leq k \\leq 5) )$κ°€ μ‘΄μž¬ν•  ν™•λ₯ μ„ $( \\frac{q}{p} )$이닀. $( p + q )$의 값을 κ΅¬ν•˜μ‹œμ˜€. (단, $(p)$와 $(q)$λŠ” μ„œλ‘œμ†ŒμΈ μžμ—°μˆ˜μ΄λ‹€.) [4점]","answer":191,"score":4,"review":null}
31
+ {"id":31,"name":"23_calc","problem":"23. \\[ \\lim_{n \\to \\infty} \\frac{\\frac{5}{n} + \\frac{3}{n^2}}{\\frac{1}{n} - \\frac{2}{n^3}} \\text{의 값은? [2점]} \\] \\begin{itemize} \\item[1] 1 \\item[2] 2 \\item[3] 3 \\item[4] 4 \\item[5] 5 \\end{itemize}","answer":5,"score":2,"review":null}
32
+ {"id":32,"name":"24_calc","problem":"24. μ‹€μˆ˜ μ „μ²΄μ˜ μ§‘ν•©μ—μ„œ λ―ΈλΆ„κ°€λŠ₯ν•œ ν•¨μˆ˜ $f(x)$κ°€ λͺ¨λ“  μ‹€μˆ˜ $x$에 λŒ€ν•˜μ—¬ \\[ f(x^3 + x) = e^x \\] 을 λ§Œμ‘±μ‹œν‚¬ λ•Œ, $f'(2)$의 값은? [3점] \\begin{itemize} \\item[1] e \\item[2] \\frac{e}{2} \\item[3] \\frac{e}{3} \\item[4] \\frac{e}{4} \\item[5] \\frac{e}{5} \\end{itemize}","answer":4,"score":3,"review":null}
33
+ {"id":33,"name":"25_calc","problem":"25. λ“±λΉ„μˆ˜μ—΄ $\\{a_n\\}$에 λŒ€ν•˜μ—¬ \\[ \\sum_{n=1}^{\\infty} (a_{2n-1} - a_{2n}) = 3, \\quad \\sum_{n=1}^{\\infty} a_n^2 = 6 \\] 일 λ•Œ, $\\sum_{n=1}^{\\infty} a_n$ 의 값은? [3점] \\begin{itemize} \\item[1] 1 \\item[2] 2 \\item[3] 3 \\item[4] 4 \\item[5] 5 \\end{itemize}","answer":2,"score":3,"review":null}
34
+ {"id":34,"name":"26_calc","problem":"26. \\[ \\lim_{n \\to \\infty} \\sum_{k=1}^{n} \\frac{k^2 + 2kn}{k^3 + 3k^2 n + n^3} \\text{의 값은?} \\quad [3 \\text{점}] \\] \\begin{itemize} \\item[1] \\ln 5 \\item[2] \\frac{\\ln 5}{2} \\item[3] \\frac{\\ln 5}{3} \\item[4] \\frac{\\ln 5}{4} \\item[5] \\frac{\\ln 5}{5} \\end{itemize}","answer":3,"score":3,"review":null}
35
+ {"id":35,"name":"27_calc","problem":"27. μ’Œν‘œν‰λ©΄ μœ„λ₯Ό μ›€μ§μ΄λŠ” 점 $\\mathrm{P}$의 μ‹œκ° $t \\ (t>0)$μ—μ„œμ˜ μœ„μΉ˜κ°€ 곑선 $y = x^2$κ³Ό 직선 $y = t^2 x - \\frac{\\ln t}{8}$κ°€ λ§Œλ‚˜λŠ” μ„œλ‘œ λ‹€λ₯Έ 두 점의 쀑점일 λ•Œ, μ‹œκ° $t=1$μ—μ„œ $t=e$κΉŒμ§€ 점 $\\mathrm{P}$κ°€ 움직인 κ±°λ¦¬λŠ”? [3점] \\begin{itemize} \\item[1] \\frac{e^4}{2} - \\frac{3}{8} \\item[2] \\frac{e^4}{2} - \\frac{5}{16} \\item[3] \\frac{e^4}{2} - \\frac{1}{4} \\item[4] \\frac{e^4}{2} - \\frac{3}{16} \\item[5] \\frac{e^4}{2} - \\frac{1}{8} \\end{itemize}","answer":1,"score":3,"review":null}
36
+ {"id":36,"name":"28_calc","problem":"28. ν•¨μˆ˜ $( f(x) = 6\\pi (x - 1)^2 )$에 λŒ€ν•˜μ—¬ ν•¨μˆ˜ $( g(x) )$λ₯Ό \\[ g(x) = 3f(x) + 4\\cos f(x) \\] 라 ν•˜μž. $( 0 < x < 2 )$μ—μ„œ ν•¨μˆ˜ $( g(x) )$κ°€ κ·Ήμ†Œκ°€ λ˜λŠ” $( x )$의 κ°œμˆ˜λŠ”? [4점] \\begin{itemize} \\item[1] 6 \\item[2] 7 \\item[3] 8 \\item[4] 9 \\item[5] 10 \\end{itemize}","answer":2,"score":4,"review":null}
37
+ {"id":37,"name":"29_calc","problem":"29. κ·Έλ¦Όκ³Ό 같이 길이가 2인 μ„ λΆ„ $(\\mathrm{AB})$λ₯Ό μ§€λ¦„μœΌλ‘œ ν•˜λŠ” λ°˜μ›μ΄ μžˆλ‹€. 호 $(\\mathrm{AB})$ μœ„μ— 두 점 $(\\mathrm{P})$, $(\\mathrm{Q})$λ₯Ό $(\\angle \\mathrm{PAB} = \\theta)$, $(\\angle \\mathrm{QBA} = 2\\theta)$κ°€ λ˜λ„λ‘ 작고, 두 μ„ λΆ„ $(\\mathrm{AP})$, $(\\mathrm{BQ})$의 ꡐ점을 $(\\mathrm{R})$라 ν•˜μž. μ„ λΆ„ $(\\mathrm{AB})$ μœ„μ˜ 점 $(\\mathrm{S})$, μ„ λΆ„ $(\\mathrm{BR})$ μœ„μ˜ 점 $(\\mathrm{T})$, μ„ λΆ„ $(\\mathrm{AR})$ μœ„μ˜ 점 $(\\mathrm{U})$λ₯Ό μ„ λΆ„ $(\\mathrm{UT})$κ°€ μ„ λΆ„ $(\\mathrm{AB})$에 ν‰ν–‰ν•˜κ³  μ‚Όκ°ν˜• $(\\mathrm{STU})$κ°€ μ •μ‚Όκ°ν˜•μ΄ λ˜λ„λ‘ μž‘λŠ”λ‹€. 두 μ„ λΆ„ $(\\mathrm{AR})$, $(\\mathrm{QR})$와 호 $(\\mathrm{AQ})$둜 λ‘˜λŸ¬μ‹ΈμΈ λΆ€λΆ„μ˜ 넓이λ₯Ό $(f(\\theta))$, μ‚Όκ°ν˜• $(\\mathrm{STU})$의 넓이λ₯Ό $(g(\\theta))$라 ν•  λ•Œ,\n\\[ \\lim_{\\theta \\to 0+} \\frac{g(\\theta)}{\\theta \\times f(\\theta)} = \\frac{q}{p} \\sqrt{3} \\]\n이닀. $(p + q)$의 값을 κ΅¬ν•˜μ‹œμ˜€.\n\n(단, $(0 < \\theta < \\frac{\\pi}{6})$이고, $(p)$와 $(q)$λŠ” μ„œλ‘œμ†ŒμΈ μžμ—°μˆ˜μ΄λ‹€.) [4점]","answer":11,"score":4,"review":"Removed figure and the statement referring to the figure."}
38
+ {"id":38,"name":"30_calc","problem":"30. μ‹€μˆ˜ μ „μ²΄μ˜ μ§‘ν•©μ—μ„œ μ¦κ°€ν•˜κ³  λ―ΈλΆ„κ°€λŠ₯ν•œ ν•¨μˆ˜ $f(x)$κ°€ λ‹€μŒ 쑰건을 λ§Œμ‘±μ‹œν‚¨λ‹€.\n\n\\begin{itemize} \\item[(κ°€)] $f(1) = 1$, \\quad $\\int_{1}^{2} f(x) \\, dx = \\frac{5}{4}$ \\item[(λ‚˜)] ν•¨μˆ˜ $f(x)$의 μ—­ν•¨μˆ˜λ₯Ό $g(x)$라 ν•  λ•Œ, $x \\geq 1$인 λͺ¨λ“  μ‹€μˆ˜ $x$에 λŒ€ν•˜μ—¬ $g(2x) = 2f(x)$이닀. \\end{itemize}\n\n\\[ \\int_{1}^{8} x f'(x) \\, dx = \\frac{q}{p} \\text{일 λ•Œ, } p+q \\text{의 값을 κ΅¬ν•˜μ‹œμ˜€.} \\]\n(단, $p$와 $q$λŠ” μ„œλ‘œμ†ŒμΈ μžμ—°μˆ˜μ΄λ‹€.) [4점]","answer":143,"score":4,"review":null}
39
+ {"id":39,"name":"23_geom","problem":"23. μ’Œν‘œκ³΅κ°„μ˜ 점 $\\mathrm{A}(2, 1, 3)$을 $xy$ 평면에 λŒ€ν•˜μ—¬ λŒ€μΉ­μ΄λ™ν•œ 점을 $\\mathrm{P}$라 ν•˜κ³ , 점 $\\mathrm{A}$λ₯Ό $yz$ 평면에 λŒ€ν•˜μ—¬ λŒ€μΉ­μ΄λ™ν•œ 점을 $\\mathrm{Q}$라 ν•  λ•Œ, μ„ λΆ„ $\\mathrm{PQ}$의 κΈΈμ΄λŠ”? [2점]\n\n\\begin{itemize} \\item[1] 5 \\sqrt{2} \\item[2] 2 \\sqrt{13} \\item[3] 3 \\sqrt{6} \\item[4] 2 \\sqrt{14} \\item[5] 2 \\sqrt{15} \\end{itemize}","answer":2,"score":2,"review":null}
40
+ {"id":40,"name":"24_geom","problem":"24. ν•œ 초점의 μ’Œν‘œκ°€ $\\left( 3\\sqrt{2}, 0 \\right)$ 인 μŒκ³‘μ„  $\\frac{x^2}{a^2} - \\frac{y^2}{6} = 1$ 의 μ£ΌμΆ•μ˜ κΈΈμ΄λŠ”? (단, $a$ λŠ” μ–‘μˆ˜μ΄λ‹€.) [3점]\n\n\\begin{itemize} \\item[1] 3\\sqrt{3} \\item[2] \\frac{7\\sqrt{3}}{2} \\item[3] 4\\sqrt{3} \\item[4] \\frac{9\\sqrt{3}}{2} \\item[5] 5\\sqrt{3} \\end{itemize}","answer":3,"score":3,"review":null}
41
+ {"id":41,"name":"25_geom","problem":"25. μ’Œν‘œν‰λ©΄μ—μ„œ 두 직선 \\[ \\frac{x+1}{2} = y - 3, \\quad x - 2 = \\frac{y - 5}{3} \\] κ°€ μ΄λ£¨λŠ” 예각의 크기λ₯Ό $\\theta$라 ν•  λ•Œ, $\\cos \\theta$의 값은? [3점]\n\n\\begin{itemize} \\item[1] \\frac{1}{2} \\item[2] \\frac{\\sqrt{5}}{4} \\item[3] \\frac{\\sqrt{6}}{4} \\item[4] \\frac{\\sqrt{7}}{4} \\item[5] \\frac{\\sqrt{2}}{2} \\end{itemize}","answer":5,"score":3,"review":null}
42
+ {"id":42,"name":"26_geom","problem":"26. 두 초점이 $( \\mathrm{F}, \\mathrm{F'} )$인 타원 $\\frac{x^2}{64} + \\frac{y^2}{16} = 1$ μœ„μ˜ 점 쀑 제1사뢄면에 μžˆλŠ” 점 $( \\mathrm{A} )$κ°€ μžˆλ‹€. 두 직선 $( \\mathrm{AF}, \\mathrm{AF'} )$에 λ™μ‹œμ— μ ‘ν•˜κ³  쀑심이 $y$μΆ• μœ„μ— μžˆλŠ” 원 쀑 μ€‘μ‹¬μ˜ $y$μ’Œν‘œκ°€ 음수인 것을 $( C )$라 ν•˜μž. 원 $( C )$의 쀑심을 $( \\mathrm{B} )$라 ν•  λ•Œ μ‚¬κ°ν˜• $( \\mathrm{AFBF'} )$의 넓이가 72이닀. 원 $( C )$의 λ°˜μ§€λ¦„μ˜ κΈΈμ΄λŠ”? [3점]\n\n\\begin{itemize} \\item[1] \\frac{17}{2} \\item[2] 9 \\item[3] \\frac{19}{2} \\item[4] 10 \\item[5] \\frac{21}{2} \\end{itemize}","answer":2,"score":3,"review":"Removed figure."}
43
+ {"id":43,"name":"27_geom","problem":"27. κ·Έλ¦Όκ³Ό 같이 ν•œ λͺ¨μ„œλ¦¬μ˜ 길이가 4인 μ •μœ‘λ©΄μ²΄ $\\mathrm{ABCD - EFGH}$ κ°€ μžˆλ‹€. μ„ λΆ„ $\\mathrm{AD}$ 의 쀑점을 $\\mathrm{M}$이라 ν•  λ•Œ, μ‚Όκ°ν˜• $\\mathrm{MEG}$ 의 λ„“μ΄λŠ”? [3점]\n\n\\begin{itemize} \\item[1] \\frac{21}{2} \\item[2] 11 \\item[3] \\frac{23}{2} \\item[4] 12 \\item[5] \\frac{25}{2} \\end{itemize}","answer":4,"score":3,"review":"Removed figure and the statement referring to the figure."}
44
+ {"id":44,"name":"28_geom","problem":"28. 두 μ–‘μˆ˜ $( a )$, $( p )$에 λŒ€ν•˜μ—¬ 포물선 $( (y - a)^2 = 4px )$의 μ΄ˆμ μ„ $( \\mathrm{F}_1 )$이라 ν•˜κ³ , 포물선 $( y^2 = -4x )$의 μ΄ˆμ μ„ $( \\mathrm{F}_2 )$라 ν•˜μž. μ„ λΆ„ $( \\mathrm{F}_1 \\mathrm{F}_2 )$κ°€ 두 포물선과 λ§Œλ‚˜λŠ” 점을 각각 $( \\mathrm{P} )$, $( \\mathrm{Q} )$라 ν•  λ•Œ, $( \\overline{\\mathrm{F}_1 \\mathrm{F}_2} = 3 )$, $( \\overline{\\mathrm{P}\\mathrm{Q}} = 1 )$이닀. $( a^2 + p^2 )$의 값은? [4점]\n\n\\begin{itemize} \\item[1] 6 \\item[2] \\frac{25}{4} \\item[3] \\frac{13}{2} \\item[4] \\frac{27}{4} \\item[5] 7 \\end{itemize}","answer":5,"score":4,"review":"Removed figure."}
45
+ {"id":45,"name":"29_geom","problem":"29. μ’Œν‘œν‰λ©΄μ—μ„œ $\\overline{\\mathrm{OA}} = \\sqrt{2}$, $\\overline{\\mathrm{OB}} = 2\\sqrt{2}$이고\n\\[ \\cos(\\angle \\mathrm{AOB}) = \\frac{1}{4} \\]\n인 ν‰ν–‰μ‚¬λ³€ν˜• $\\mathrm{OACB}$에 λŒ€ν•˜μ—¬ 점 $\\mathrm{P}$κ°€ λ‹€μŒ 쑰건을 λ§Œμ‘±μ‹œν‚¨λ‹€.\n\n\\begin{itemize} \\item[(κ°€)] $\\overrightarrow{\\mathrm{OP}} = s \\overrightarrow{\\mathrm{OA}} + t \\overrightarrow{\\mathrm{OB}} \\quad (0 \\leq s \\leq 1, \\ 0 \\leq t \\leq 1)$ \\item[(λ‚˜)] $\\overrightarrow{\\mathrm{OP}} \\cdot \\overrightarrow{\\mathrm{OB}} + \\overrightarrow{\\mathrm{BP}} \\cdot \\overrightarrow{\\mathrm{BC}} = 2$ \\end{itemize}\n\n점 $\\mathrm{O}$λ₯Ό μ€‘μ‹¬μœΌλ‘œ ν•˜κ³  점 $\\mathrm{A}$λ₯Ό μ§€λ‚˜λŠ” 원 μœ„λ₯Ό μ›€μ§μ΄λŠ” 점 $\\mathrm{X}$에 λŒ€ν•˜μ—¬ $|3\\overrightarrow{\\mathrm{OP}} - \\overrightarrow{\\mathrm{OX}}|$의 μ΅œλŒ“κ°’κ³Ό μ΅œμ†Ÿκ°’μ„ 각각 $M$, $m$이라 ν•˜μž. $M \\times m = a\\sqrt{6} + b$일 λ•Œ, $a^2 + b^2$의 값을 κ΅¬ν•˜μ‹œμ˜€. (단, $a$와 $b$λŠ” μœ λ¦¬μˆ˜μ΄λ‹€.) [4점]","answer":100,"score":4,"review":"Removed figure."}
46
+ {"id":46,"name":"30_geom","problem":"30. μ’Œν‘œκ³΅κ°„μ— 쀑심이 $\\mathrm{C}(2, \\sqrt{5}, 5)$이고 점 $\\mathrm{P}(0, 0, 1)$을 μ§€λ‚˜λŠ” ꡬ \\[ S: (x - 2)^2 + (y - \\sqrt{5})^2 + (z - 5)^2 = 25 \\] κ°€ μžˆλ‹€. ꡬ $S$κ°€ 평면 $\\mathrm{OPC}$와 λ§Œλ‚˜μ„œ μƒκΈ°λŠ” 원 μœ„λ₯Ό μ›€μ§μ΄λŠ” 점 $\\mathrm{Q}$, ꡬ $S$ μœ„λ₯Ό μ›€μ§μ΄λŠ” 점 $\\mathrm{R}$에 λŒ€ν•˜μ—¬ 두 점 $\\mathrm{Q}, \\mathrm{R}$의 $xy$평면 μœ„λ‘œμ˜ μ •μ‚¬μ˜μ„ 각각 $\\mathrm{Q}_1, \\mathrm{R}_1$이라 ν•˜μž.\n\nμ‚Όκ°ν˜• $\\mathrm{O}\\mathrm{Q}_1\\mathrm{R}_1$의 넓이가 μ΅œλŒ€κ°€ λ˜λ„λ‘ ν•˜λŠ” 두 점 $\\mathrm{Q}, \\mathrm{R}$에 λŒ€ν•˜μ—¬ μ‚Όκ°ν˜• $\\mathrm{O}\\mathrm{Q}_1\\mathrm{R}_1$의 평면 $\\mathrm{PQR}$ μœ„λ‘œμ˜ μ •μ‚¬μ˜μ˜ λ„“μ΄λŠ” $\\frac{q}{p} \\sqrt{6}$이닀. $p+q$의 값을 κ΅¬ν•˜μ‹œμ˜€.\n\n(단, $\\mathrm{O}$λŠ” 원점이고 μ„Έ 점 $\\mathrm{O}, \\mathrm{Q}_1, \\mathrm{R}_1$은 ν•œ 직선 μœ„μ— μžˆμ§€ μ•ŠμœΌλ©°, $p$와 $q$λŠ” μ„œλ‘œμ†ŒμΈ μžμ—°μˆ˜μ΄λ‹€.) [4점]","answer":23,"score":4,"review":"Removed figure."}