376 . (x2 - 1) (x4 + x2 + 1) = কত?
  • A. x4 - 1
  • B. x6 + 1
  • C. x3 - 1
  • D. x6 - 1
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377 . x = -5 হলে x3 + 1 এর মান কত?
  • A. -124
  • B. 126
  • C. 24
  • D. 25
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378 . a - [2b {3c - (a - 2b + 3c)}] = কত?
  • B. a + b + c
  • C. a - b
  • D. 2a
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379 . a - 1/a = 4 হলে a3 - 1/a3 = ?
  • A. 75
  • B. 76
  • C. 71
  • D. 72
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380 . x3 + y3 + 3xy(x + y)(x + y)2 - 4xy ÷ (x - y)2 + 4xyx3 - y3 - 3xy(x -y)
  • A. x2 + y2
  • B. x2 - y2
  • C. x + y
  • D. x + y2
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381 . a + b + c = 0 হলে a3 + b3 + c3 এর মান কত?
  • A. abc
  • B. 3abc
  • C. 6abc
  • D. 9abc
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382 . যদি a3 - b3 = 513 এবং a-b = 3 হয় তবে ab এর মান কত?
  • A. 54
  • B. 35
  • C. 45
  • D. 55
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383 . a +b = 5 এবং ab = 6 হলে a3 + b3 এর মান কত?
  • A. 30
  • B. 35
  • C. 40
  • D. 45
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384 . a + 1/a = 3 হলে a3 + 1/a3 = ?
  • A. 16
  • B. 18
  • C. 20
  • D. 24
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385 . a - 1a = 2 হলে a3 - 1a3 এর মান কত?
  • A. 12
  • B. 14
  • C. 16
  • D. 18
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386 . (x - 1)(x2 + x + 1)- এর গুণফল কত হবে?
  • A. x3 - 3
  • B. (x - 1)3
  • C. x3 - 1
  • D. x3 + 4x2 +1
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387 . (a - 2b)3- এর মান কত?
  • A. a3 - 8b3 - 6a2b + 12ab2
  • B. a3 + 8b3 + 6a2b + 12ab2
  • C. a3 + 8b3 - 12ab
  • D. a3 -8b3 - 12a2b - 6ab3
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388 . a3 + b3 = কত?
  • A. a3 + 3a2b + 3ab2 + b3
  • B. (a + b)3 + 3ab(a + b)
  • C. (a + b)3 - 3ab(a + b)
  • D. (a + b)(a2 + ab + b2)
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389 . x + 1x = 4 হলে x4 + 1x4 এর মান কত?
  • A. 149
  • B. 194
  • C. 119
  • D. 147
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390 . 12(1x-1 - 1x+1) - 1x2 + 1 = কত?
  • A. 2x4 + 1
  • B. 2x2x4 - 1
  • C. 2x2x4 + 1
  • D. 2x4 - 1
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