Post-UTME Mathematics 2016 Objective — Question 44
Question 44 of 60 from the Post-UTME Screening (Post-UTME) Mathematics 2016 Objective paper, with the correct answer and a full explanation.
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Exponential & Logarithm 4. What is the value of x in the equation log_x(1/81) = 4
- A. 2
- B. 1/2
- C. 3
- D. 1/3Correct
Explanation
x⁴ = 1/81 = (1/3)⁴, so x = 1/3.
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