5536 . 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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5537 . a - 1/a = 4 হলে a3 - 1/a3 = ?
  • A. 75
  • B. 76
  • C. 71
  • D. 72
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5538 . a - [2b {3c - (a - 2b + 3c)}] = কত?
  • B. a + b + c
  • C. a - b
  • D. 2a
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5539 . x = -5 হলে x3 + 1 এর মান কত?
  • A. -124
  • B. 126
  • C. 24
  • D. 25
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5540 . (x2 - 1) (x4 + x2 + 1) = কত?
  • A. x4 - 1
  • B. x6 + 1
  • C. x3 - 1
  • D. x6 - 1
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5541 . a + 1/a = 2 হলে a/(a2 + a - 1) এর মান কত?
  • A. 4
  • B. 3
  • C. 2
  • D. 1
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5542 . a4 কে a9 দ্বারা গুণ করলে গুণফল হবে?
  • A. a5
  • B. a13
  • C. a6
  • D. 2a36
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5543 . m2 + 2mn এর সাথে কত বিয়োগ করলে সেটি একটি পূর্ণবর্গ হবে?
  • A. -n2
  • B. n2
  • C. 2mn
  • D. m2
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5544 . (y - z) (z - x) (x - y) = কত?
  • B. 2(x + y + z)
  • C. x - y - z
  • D. x + y + z
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5545 . x + 1/x = √3 হলে x3 + 1/x3 এর মান কত? 3
  • A. 2
  • B. 4
  • D. 6
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5546 . 1/2{(a + b)2 + (a - b)2} = কত?
  • A. a2 + b2
  • B. a2 - b2
  • C. (a + b)2/2 - (a - b)2/2
  • D. (a + b)2 + ( a - b)2
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5547 . a + 1/a = 2 হলে a2 + 1/a2 = কত?
  • A. 2
  • B. 4
  • C. 8
  • D. 12
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5548 . যদি √x + 1/√x = a হয়, তবে x2 + 1/x2 এর মান কত?
  • A. a4 - 2a2 + 2
  • B. a4 + 4a2 + 2
  • C. a4 - 4a2 - 2
  • D. a4 - 4a2 + 2
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5549 . a + b = 13 এবং ab = 36 হলে a - b এর মান কত?
  • A. 5
  • B. 8
  • C. 10
  • D. 7
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5550 . x2 + 1/x2 এর মান কত হলে √x + 1/√x = 2 হবে?
  • A. 2
  • B. 6
  • C. - 8
  • D. - 2
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