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

2f {x}

C

3f {x}

D

4f {x}

Verified by Experts

The correct Answer is:

C

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