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1. a + 1/a = 3 হলে a2 + 1/a2 এর মান কত?

  • A. 6
  • B. 6
  • C. 6
  • D. 6

Answer: Option D

Explanation:

a2 + 1/a2 = (a + 1/a)2-2*a*1/a

                = 9-2
                =7

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