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    Question

    If тИЪk + (1/тИЪk) = 8, then find the value of k +

    (1/k).
    A 58 Correct Answer Incorrect Answer
    B 60 Correct Answer Incorrect Answer
    C 62 Correct Answer Incorrect Answer
    D 64 Correct Answer Incorrect Answer

    Solution

    Given, тИЪk + (1/тИЪk) = 8
    On squaring both the sides,
    So, k + (1/k) + 2 ├Ч тИЪk ├Ч (1/тИЪk) = 64
    Or, k + (1/k) + 2 = 64
    So, k + (1/k) = 62

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