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    Question

    If logₓ(81) = 4/3, find

    x.
    A 42 Correct Answer Incorrect Answer
    B 77 Correct Answer Incorrect Answer
    C 27 Correct Answer Incorrect Answer
    D 35 Correct Answer Incorrect Answer

    Solution

    ATQ,

    logₓ(81) = 4/3 ⇒ x^(4/3) = 81 ⇒ 81 = 3⁴ So x^(4/3) = 3⁴ Raise both sides to the power 3/4: x = 3³ x = 27

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