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f(x)=log(100x)((2log(10)x+1)/(-x)) exist...

`f(x)=log_(100x)((2log_(10)x+1)/(-x))` exists, if …. .

A

`(0,10^(-2)) cup (10^(-2),10^(-1//2))`

B

`(0,10^(-1//2))`

C

`(0,10^(-1))`

D

none of these

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The correct Answer is:
A
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