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    Question

    IF 1/x + x = 4, then find 1/x2 +

    x2.
    A 14 Correct Answer Incorrect Answer
    B 5 Correct Answer Incorrect Answer
    C 7 Correct Answer Incorrect Answer
    D 15 Correct Answer Incorrect Answer

    Solution

    if we have to find 1/x + x = a, and we have to find  Directly we can apply: a2 - 2 = 42 - 2 = 16 - 2 = 14

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