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      Question

       If x + 1/x = 5, then find [x2 +

      (1/x2)].
      A 23 Correct Answer Incorrect Answer
      B 29 Correct Answer Incorrect Answer
      C 33 Correct Answer Incorrect Answer
      D 37 Correct Answer Incorrect Answer

      Solution

      ATQ, (x + 1/x)2 = x2 + 1/x2 + 2 25 = x2 + 1/x2 + 2 x2 + 1/x2 = 23

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