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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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