2836 . a - bab + b - cbc + c - aca = কত?
- B. 1
- C. 1/2
- D. 1/4
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2838 . a - b + b(a - b)a - b = কত?
- A. 1 + ba - b
- B. (a - b)(1 + b)a - b
- C. a + b
- D. 1 + b
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2839 . mn - n2m + n ÷ n - mm = কত?
- A. -mnm + n
- B. m - nm
- C. m + nm - n
- D. mnm + n
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2840 . x + yx + x - yy + x2 - y2xy = কত?
- A. yx
- B. xy
- C. 2xy
- D. 2yx
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2841 . x = 45 হলে 1 + x + 1 - x1 + x - 1 - x এর মান কত?
- A. 1
- B. 2
- C. -2
- D. 4
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2842 . 2x + 2y + x2 - y2x + y = ?
- A. x - yx + y
- B. (x - y)2x + y
- C. x - y
- D. 2 + x - y
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2843 . a(a+b), a2(a-b) ল.সা.গু কত?
- A. a2
- B. a
- C. a2 - b2
- D. a2(a2 - b2)
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2844 . x3 - 1, x3 + 1, x4 + x2 + 1 এর ল.সা.গু কত?
- A. x8 - 1
- B. x7 - 1
- C. x6 - 1
- D. x5 - 1
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2845 . 2x2 + x এবং 4x2 - 1 - এর ল.সা.গু কত?
- A. x(2x2 + 1)
- B. x2(2x2 + 1)
- C. x(2x + 1)(2x - 1)
- D. (2x2 - 1)
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2846 . x3y - xy3 এবং x2 - y2 এর ল.সা.গু কত?
- A. (x - y)
- B. xy(x + y)
- C. xy(x - y)
- D. xy(x - y)(x + y)
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2847 . 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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2848 . দুটি সংখ্যার ল.সা.গু a2b(a + b) এবং গ.সা.গু a(a + b)।একটি সংখ্যা a3 + a2b হলে, অপর সংখ্যাটি কত?
- A. a2b + a2b2
- B. a2b + ab2
- C. ab2 + a2b2
- D. a3 - b3
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2849 . (4x2 - 16) এবং (6x2 + 24x + 24) এর গ.সা.গু--
- A. x + 2
- B. x + 4
- C. x - 2
- D. 2(x + 2)
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2850 . x3 - x - 24 এবং x3 - 6x2 + 18x - 27 -এর গ.সা.গু. নির্নয় করুন?
- A. (x - 6)
- B. (x - 5)
- C. (x - 8)
- D. (x - 3)
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