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    Question

     If x + 1/x = 2, find x⁷ +

    1/x⁷.
    A 2 Correct Answer Incorrect Answer
    C 1 Correct Answer Incorrect Answer
    D 3 Correct Answer Incorrect Answer

    Solution

    ATQ,

    x + 1/x = 2 ⇒ x = 1. Hence x⁷ + 1/x⁷ = 1 + 1 = 2

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