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If f(x)=log((1+x)/(1-x))a n dg(x)=((3x+x...

If `f(x)=log((1+x)/(1-x))a n dg(x)=((3x+x^3)/(1+3x^2))` , then `f(g(x))` is equal to (a)`f(3x)` (b) `{f(x)}^3` (c) `3f(x)` (d) `-f(x)`

A

`-f(x)`

B

`3f(x)`

C

`[f(x)]^(2)`

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
b
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