Post-UTME Mathematics 2016 Objective — Question 48
Question 48 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 8. What is the value of x in the logarithmic equation log(x+2) - log(x-1) = log 2
- A. 2
- B. 3
- C. 4Correct
- D. 5
Explanation
log[(x+2)/(x-1)] = log2 gives x+2=2(x-1), x+2=2x-2, x=4.
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