7321 . a3 + b3a + b কে a4 + b4 + a2b2a3 + b3 দিয়ে ভাগ করলে ভাগফল কত হবে?
- A. a + b
- B. a - b
- C. a2 + b2
- D. a2 - b2
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7322 . 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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7323 . 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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7324 . a3 + b3, a6 - b6 এর ল.সা.গু. কত?
- A. 1
- B. a3 + b3
- C. a6 - b6
- D. a3 - b3
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7325 . 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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7326 . a2b3c2d কে a3b2cd3 দ্বারা ভাগ করলে ভাগফল কত?
- A. ab2ca
- B. ab2cd
- C. b2cad
- D. bd2ac
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7327 . a2b(a3 - b3), a2b2(a4 + a2b2 + b4) এবং (a3 + b3) এর ল.সা.গু নির্নয় করুনঃ
- A. a3b(a6 - b6)
- B. a3b3(a6 - b6)
- C. a2b2(a6 - b6)
- D. ab(a5 - b5)
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7328 . 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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7329 . 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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7330 . 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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7331 . a2 - 2ab থেকে কত বিয়োগ করলে বিয়োগফল একটি পূর্ণ বর্গ হবে?
- A. -b2
- B. b
- C. b3
- D. -a
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7332 . 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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7333 . 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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7334 . 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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7335 . a2 + ab, a2 - b2 এর গ.সা.গু. কত?
- A. ab
- B. a - b
- C. a2 - b2
- D. a + b
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