Published by:
CGP EDU Academic Team
Published on: August 14, 2026
If x, y ∈ R + satisfies log 8 x + log 4 y 2 = 5 and log 8 y + log 4 x 2 = 7, then find the value of xy.
Text Solution
Verified by ExpertsThe correct answer is:
0512
Ans. 0512
Sol. 
log 2 x + log 2 y = 5, log 2 x + 
log 2 y = 7
Solving both log 2 y = 3 & log 2 x = 6
⇒ xy = 2 3 .2 6 = 512
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