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Given f(x)=log(10)((1+x)/(1-x)) and g(x)...

Given `f(x)=log_(10)((1+x)/(1-x)) and g(x)=(3x+x^(3))/(1+3x^(2))`, then fog(x) equals

A

`-f(x)`

B

3f(x)

C

`[f(x)]^(3)`

D

None of these

Text Solution

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The correct Answer is:
B
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