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1. fx=x2-5x+6

  • A. 2,3
  • B. 2,3
  • C. 2,3
  • D. 2,3

Answer: Option A

Explanation:

f(x) = x² - 5x + 6 এখন, f(x) = 0 ∴ x² - 5x + 6 = 0 = > x² - 3x - 2x + 6 = 0 = > x(x - 3) - 2 (x - 3) = 0 = > (x - 3) (x - 2) = 0 ∴ x = 2, 3

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