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JAMB Mathematics 1978 Question 39

Question 39

Logarithms

Assuming loge 4.4 = 1.4816 and loge7.7 = 2.0142 then the value of loge7/4 is

  1. A.0.5326
  2. B.3.4958
  3. C.0.4816
  4. D.0.0142
  5. E.1.3594.
Show the answer and explanation

Answer: A (0.5326)

Explanation

7/4 = 7.7/4.4, so log(7/4) = log 7.7 − log 4.4 = 2.0142 − 1.4816 = 0.5326.