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Question

Question: If log<sub>5</sub>a log<sub>a</sub>x = 2 then x =...

If log5a logax = 2 then x =

A

125

B

a2

C

25

D

None

Answer

25

Explanation

Solution

log⁡alog⁡5\frac{\log a}{\log 5} × log⁡xlog⁡a\frac{\log x}{\log a} = 2 Ž log5x = 2

Ž x = 52