Given that log2a = log84, find a

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Mathematics WAEC 1995

Given that log2a = log84, find a

  • 21/3
  • 42/3
  • 42/3
  • 22/3 checkmark
  • 23

The correct answer is: 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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