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প্রিমিয়াম প্ল্যান: ১ মাস
99 ৳
৩০ দিনের জন্য সকল লাইভ এবং আর্কাইভ মডেল টেস্ট, প্রশ্ন ব্যাংক ও লেকচার শিট সহ অ্যাপ এর প্রিমিয়াম সব এক্সেস পাবেন।

6542 . a3 + b3 এর উৎপাদক কোনটি?

  • A. (a + b)(a + b)(a + b)
  • B. (a + b)(a2 + b2)
  • C. (a - b)(a + b)(a2 + b2)
  • D. (a + b)(a2 - ab + b2)
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6543 . 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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6545 . 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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6548 . a2 - x2a + y × a2 - y2ax + x2 × 1a - x = কত?

  • A. a + yx
  • B. a - yx
  • C. x + ay
  • D. x - ya
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6549 . a2 - c2 + 2ab + b2 এর উৎপাদক কোনটি?

  • A. (a - b + c) (a - b + c)
  • B. (a + b + c) (a + b - c)
  • C. (a + b + c) (a - b - c)
  • D. (a - b + c) (a - b - c)
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6550 . a2 - b2 + 4bc - 4c2 এর উৎপাদক কোনটি?

  • A. (a + b + c) (a - b + c)
  • B. (a - b + 2c) (a + b + c)
  • C. (a + b - 2c) (a - b + 2c)
  • D. (a2 + b2 - 2c) (a - b + 2c)
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6552 . a2 - 1 + 2b - b2 এর উৎপাদক কোনটি?

  • A. (a - b - 1) (a + b - 1)
  • B. (a - b + 1) (a + b - 1)
  • C. (a + b - 1)
  • D. (a - b + 1)
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6553 . a2 + b2 = কত?

  • A. (a - b)2 -2ab
  • B. (a - b)2 - 4ab
  • C. (a + b)2 + 2ab
  • D. (a + b)2 - 2ab
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6554 . a2 + b2 - c2 +2aba2 - b2 + c2 +2ac = কত?

  • A. a +b + c
  • B. a + b - ca - b + c
  • C. a - b + ca + b - c
  • D. a + b - ca + b + c
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