UI Post-UTME Mathematics 2019 (Model questions) Question 14

Question 14

Logarithms

Simplify log7 49 + log7(1/7)

  1. A.1
  2. B.2
  3. C.3
  4. D.7
Show the answer and explanation

Answer: A (1)

Explanation

log₇49 = 2 and log₇(1/7) = −1, so the sum is 1.