JAMB Mathematics 1980 Question 18

Question 18

Logarithms

Simplify log108/log104

  1. A.log102
  2. B.log104
  3. C.3/2
  4. D.2
  5. E.None of the above.
Show the answer and explanation

Answer: C (3/2)

Explanation

log 8 = 3 log 2 and log 4 = 2 log 2, so the quotient is 3/2.