1291 . a² - b² ও a³ + b³ এর গ.সা.গু. কত?
- A. a² - b²
- B. a³ + b³
- C. a - b
- D. a + b
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1292 . a² - 3a, a² - 9, a² - 4a + 3 -এর গ.সা.গু. হবে--
- A. a(a - 3)(a - 1)
- B. (a - 3)(a - 1)(a + 3)
- C. (a - 3)
- D. (a - 3)(a + 3)
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1293 . ax2 + 2a, x4 - 4, x4 + 4x2 + 4 এদের গ.সা.গু. কত?
- A. a(x2 + 2)
- B. x2 - 2
- C. x2 + 2
- D. 1
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1294 . √2 - 1 এর মান কত?
- A. 1.4142
- B. 0.8182
- C. 0.4142
- D. 0.4148
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1295 . √18 এর মান কত?
- A. 4.28
- B. 4.32
- C. 4.24
- D. 3.24
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1296 . |x| ≤ 4 এর সঠিক সমাধান কোনটি?
- A. 1 ≤ x ≤ 2
- B. 3 ≤ x ≤ 1
- C. 5 ≤ x ≤ 1
- D. -4 ≤ x ≤ 4
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1297 . |x| = √2 এর সঠিক সমাধান কোনটি?
- A. x = ± 4
- B. x = √2
- C. x = 2
- D. x = ± √2
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1298 . |x|/2 = 5 এর সঠিক সমাধান কোনটি?
- A. x = 10
- B. x = 5
- C. x = ± 10
- D. x = ± 5
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1299 . -2 এবং -3 এর দূরত্ব কত?
- A. 3
- B. 2
- C. - 1
- D. 1
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1300 . -3 এবং 4 এর দূরত্ব কত?
- A. - 1
- B. 7
- C. 1
- D. - 7
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1301 . f(x) = x² + 2 হলে f(-3) = কত?
- A. - 7
- B. 11
- C. - 11
- D. - 1
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1302 . f(x) = (x - h)/x হলে f(h) = কত?
- B. 1
- C. 3
- D. - 1
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1303 . f(x) = x² + 1/x + 1 এর অনুরূপ কোনটি?
- A. f(1) = 1
- B. f(0) = 1
- C. f(-1) = 3
- D. f(1) = 3
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1304 . f(x) = (3x + 4)/(x - 5) হলে f(1/3) = কত?
- A. 15/14
- B. -15/14
- C. 14/15
- D. -14/15
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1305 . f(x) = (4x - 7)/(2x - 4) এর অনুরূপ কোনটি?
- A. f(-1) = 3/2
- B. f(1) = 3/2
- C. f(3) = 5/4
- D. f(-2) = 15/8
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