logx324=4 then x=?

A 2√3

B 2√5

C 2√7

D 3√2

Solution

Correct Answer: Option D

logx324=4
or,x4=324
or,x4=81×4
or,x4=34×(√2)4
or,x4=(3√2)4      
 x=3√2

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