1111 . p - q = 2 এবং pq = 3 হলে, p + q এর মান কত?
- A. 4
- B. - 8
- C. ± 4
- D. 8
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1113 . a - 1/a = 4 হলে, a2 + 1/a2 = কত?
- A. 18
- B. 22
- C. 16
- D. 14
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1114 . a2 + 1 = 4a হুলে, a/(a2 - 3a + 1) এর মান কত?
- A. a
- B. 1
- C. 2a
- D. 2
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1115 . x + y + z = 15 এবং x2 + y2 + z2 = 83 হলে, xy + yz + zx এর মান কোনটি?
- A. 71
- B. 72
- C. 32
- D. 16
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1116 . x2 + 1 = √2x হলে, x2 + 1/x2 এর মান কত?
- A. 1
- C. 4
- D. 2
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1117 . x + y = √7, x - y = √3 হলে, 8xy(x2 + y2) এর মান কোনটি?
- A. 8
- B. 40
- C. 20
- D. 25
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1118 . a - b = 4 এবং ab = 0 হলে, a3 - b3 = কত?
- A. 54
- B. 64
- C. 48
- D. 44
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1119 . x + y = 3 এবং xy = 2 হলে, x3 + y3 এর মান কত?
- A. 27
- B. 9
- C. 24
- D. 12
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1120 . a - 1/a = 1 হলে, a3 - 1/a3 = কত?
- A. 6
- B. 4
- C. 9
- D. 12
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1121 . a + b = 12 এবং ab = 35 হলে, a2 - b2 এর মান কত?
- A. -24
- B. ±24
- C. 14
- D. 24
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1122 . x - y = 3 এবং xy = 108 হলে, x2 - y2 এর মান কত?
- A. -63
- B. ±63
- C. 63
- D. 27
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1123 . a - 1/a = 3 হলে, a2 + 1/a2 = কত?
- A. 15
- B. 11
- C. 13
- D. 18
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1124 . p - 1/p = 5 হলে, (p + 1/p)2 এর মান কত?
- A. 23
- B. 29
- C. 21
- D. 27
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1125 . 27x3 - 54x2 + 36x - 8 = কত? যখন x = - 2
- A. - 581
- B. - 512
- C. 512
- D. 472
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