2926 . x + 1/x = 2 হলে xx2 + x -1 এর মান কত?
- A. 2
- B. 3
- C. 1
- D. 4
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2927 . সাধারণ উৎপাদক নির্নয় করুনঃ a² - b² - c² - 2bc, b² - c² - a² -2ac
- A. a + b + c
- B. b + c - a
- C. a + b - c
- D. a - b + c
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পররাষ্ট্র মন্ত্রণালয়ের ব্যক্তিগত কর্মকর্তা-১২.০২.২০০৬
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2928 . 4x^4 + 1 কে উৎপাদকে বিশ্লেষণ করন।
- A. (2x² + 2x + 1)(2x² - 2x - 1)
- B. (2x² + 2x - 1)(2x² - 2x - 1)
- C. (2x² + 2x + 1)(2x² - 2x + 1)
- D. (2x² + 2x - 1)(2x² - 2x + 1)
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2929 . (a - b)³ + (b - c)³ + (c - a)³ কে উৎপাদকে বিশ্লেষণ করুনঃ
- A. (a - b)(b - c)(c - a)
- B. 2(a - b)(b - c)(c - a)
- C. 3(a - b)(b - c)(c - a)
- D. 9(a - b)(b - c)(c - a)
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2930 . -4a² + 23a + 6 এর উৎপাদক কোনটি?
- A. (6 - a)(4a - 1)
- B. (a - 6)(4a - 1)
- C. (a - 6)(4a + 1)
- D. (6 - a)(4a + 1)
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2931 . 2√2x³ + 125 এর সঠিক উৎপাদক বিশ্লেষণ কোনটি?
- A. (√2x - 5)(2x² + 5√2x + 25)
- B. (√2x + 5)(2x² + 5√2x - 25)
- C. (√2x + 5)(2x² - 5√2x + 25)
- D. (√2x + 5)(2x² - 5√2x - 25)
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2932 . 4a² + 11a + 6 = 0 হলে, a =?
- A. 1
- B. -1
- C. 2
- D. -2
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2933 . 7p² - p - 8 এর উৎপাদক হবে--
- A. (7p + 8)(p - 1)
- B. (7p - 8)(p - 1)
- C. (7p + 8)(p + 1)
- D. (7p - 8)(p + 1)
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2934 . x² - x - (a + 1)(a + 2) কে উৎপাদকে বিশ্লেষণ করুন?
- A. (x + a + 1)(x - a - 2)
- B. (x + a + 2)(x - a - 1)
- C. (x + a - 1)(x - a + 2)
- D. (x - a + 2)(x - a - 1)
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2935 . x² + 2xy - 2y - 1 এর উৎপাদক কত?
- A. (x + 2y + 1)(x - 1)
- B. (x + y + 1)(x + 1)
- C. (x + 2y + 1)(x + 1)
- D. (x + y + 1)(x - 1)
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2936 . x3 - x এর উৎপাদকের বিশ্লেষণ কোনটি?
- A. (x - 1)(x2 + x + 1)
- B. (x + 1)(x2 - x + 1)
- C. x(x - 1)(x - 1)
- D. x(x + 1)(x - 1)
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2937 . 2y4 - 14y2 + 2 এর উৎপাদকে বিশ্লেষণ কোনটি?
- A. (2y2 + 6y + 2)(y2 - 3y + 1)
- B. (2y2 - 7y + 1)(2y2 + 7y + 1)
- C. 2(y2 + 3y + 1)(y2 - 3y + 1)
- D. 2(y2 + 3y + 1)(y2 -3y -1)
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2938 . উৎপাদকে বিশ্লেষণ করুনঃ x2 - 2ax + (a + b)(a - b)
- A. (x + a + b)(x - a - b)
- B. (x + a - b)(x - a - b)
- C. (x - a - b)(x - a + b)
- D. (x - a + b)(x + a - b)
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2939 . |x - 3 | < 5 হলে ---
- A. 2 < X < 8
- B. - 2 < X < 8
- C. - 8 < x < -2
- D. - 4 < x < -2
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2940 . 35 - 2x - x2 কে উৎপাদকে বিশ্লেষণ করুন।
- A. (x - 5) (x - 7)
- B. (x + 5) (x + 7)
- C. (5 - x) (7 + x)
- D. (x - 5)
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