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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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