466 . a3 + 1, a3 - 1 এর গ.সা.গু. কত?
  • A. a6 - 1
  • B. (a - 1) (a + 1)
  • C. 1
  • D. a3 - 1
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467 . x2 + x, x2 + 2x + 1 এর ল.সা.গু. কত?
  • A. (x + 1)
  • B. x (x + 1)
  • C. x (x + 1)2
  • D. (x + 1)3
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468 . (a + b)2, a2 - b2 এর ল.সা.গু. কোনটি?
  • A. (a + b)2
  • B. (a - b)2
  • C. (a + b)2 (a - b)
  • D. (a2 - b2)
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469 . 2a2b, 3ab2c এর ল.সা.গু. কত?
  • A. 3abc
  • B. 6abc
  • C. 6a2b2c
  • D. 2abc
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470 . a3 - ab2, ab - bc এর গ.সা.গু. কত?
  • A. a - c
  • B. a - b
  • C. 1
  • D. b + c
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471 . x2 - 3x + 2, x3 - 5x2 + 6x এর গ.সা.গু. কত?
  • A. x - 3
  • B. x - 1
  • C. x - 2
  • D. (x - 3) (x - 1)
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472 . x2 - 3x - 10, x2 - 10x + 25 এর ল.সা.গু. কত?
  • A. (x + 2) (x - 5)
  • B. (x + 2) (x - 5)2
  • C. (x + 2) (x - 3)
  • D. (x - 2) (x + 5)
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473 . x2 + 2x, x2 + 3x + 2 এর ল.সা.গু. কত?
  • A. (x + 1) (x + 3)
  • B. (x + 1) (x + 2)
  • C. x (x + 2)
  • D. x (x + 1) (x + 2)
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474 . x2 + 3x + 2, x2 - 4 এর গ.সা.গু. কত?
  • A. x + 4
  • B. x + 3
  • C. x - 2
  • D. x + 2
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475 . x2 + 7x + 12, x2 + 9x + 20 এর গ.সা.গু. কত?
  • A. x + 6
  • B. x - 4
  • C. x + 5
  • D. x + 4
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476 . a2 + ab, a2 - b2 এর গ.সা.গু. কত?
  • A. ab
  • B. a - b
  • C. a2 - b2
  • D. a + b
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477 . 4x2y2z এবং 6xy2 এর ল.সা.গু. কত?
  • A. 24xyz
  • B. 24x2yz
  • C. 12x2y2z
  • D. 12xy2z
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478 . ল.সা.গু. নির্নয় করুনঃ x2 + 3x + 2, x2 - 1, x2 + x - 2
  • A. (x - 1)2 (x + 2)
  • B. (x - 1) (x + 1) (x + 2)
  • C. (x - 2) (x + 2) (x + 1)
  • D. (x + 1)2 (x - 2)
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479 . If x = 10, which of the following has the minimum value?/x = 10 হলে নিচের কোনটির মান সর্বনিম্ন?
  • A. 2 - x
  • B. x/2
  • C. 2/x
  • D. (2 - x)(2 + x)
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480 . x ও y এর মানের গড় ৯ এবং z=১২ হলে, x,y,z এর মানের গড় কত?
  • A. ৬
  • B. ৯
  • C. ১০
  • D. ১২
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