l o g 5 a . l o g a x = 2 , then x is equal to Options: A . &nbsp 125 B . &nbsp a 2 C . &nbsp 25 D . &nbsp None of these

Answer: Option C : C l o g 5 a . l o g a x = 2 ⇒ l o g 5 x = 2 ⇒ x = 5 2 = 25

log5 a.logax=2, then x is equal to

Question

$l o g_{5} a . l o g_{a} x = 2$ , then x is equal to

Options:

A . 125

B .

a^{2}

C . 25

D . None of these

Answer: Option C
:
C

l o g_{5} a . l o g_{a} x = 2 \Rightarrow l o g_{5} x = 2 \Rightarrow x = 5^{2} = 25

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