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    Question

    ┬аIf 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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