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The function f (x) = log((1+x)/(1-x)) s...

The function `f (x) = log((1+x)/(1-x))` satisfies the equation

A

`f(x+2)-2f(x+1)+f(x)=0`

B

`f(x)+f(x+1)=f(x(x+1))`

C

`f(x)+f(y)=f((x+y)/(1+xy))`

D

`f(x+y)=f(x)f(y)`

Text Solution

Verified by Experts

The correct Answer is:
C
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