Given that log 2 a = log 8 4, find a
MATHEMATICS
WAEC 1995
Given that log2a = log84, find a
- A. 21/3
- B. 42/3
- C. 42/3
- D. 22/3
Correct Answer: D. 22/3
Explanation
Log2a = Log84
Log2a = Log882/3 ? 2/3Log88 ? 2/3 x 1
Log2a = 2/3
Recall; If Logax = y ? ay = x
Log2a = 2/3
22/3 = a
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