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If log(x)a,a^(x//2) and log(b)x are in G...

If `log_(x)a,a^(x//2)` and `log_(b)x` are in G.P., then x equals `:`

A

`log_(a) ( log_(b)a)`

B

`-log_(a) ( log_(a)^(b))`

C

`log_(a) ( log_(e )^(b))-log_(a) ( log_(c )^(a))`

D

None of these

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The correct Answer is:
A
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