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      Question

      If x + 1/x = 3, find x² +

      1/x².
      A 7 Correct Answer Incorrect Answer
      B 10 Correct Answer Incorrect Answer
      C 14 Correct Answer Incorrect Answer
      D 19 Correct Answer Incorrect Answer

      Solution

      ATQ, (x + 1/x)² = 9 → x² + 1/x² + 2 = 9 → x² + 1/x² = 7

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