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Given that log2a = log84, find a

Mathematics
WAEC 1995
Given that log2a = log84, find a
  • A. 21/3
  • B. 42/3
  • C. 42/3
  • D. 22/3
  • E. 23
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Correct Answer: Option D
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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