If `f(x)=log((1+x)/(1-x))`, `f(2x/(1+x^2))=2f(x)`

If f(x)=log((1+x)/(1-x))f(2(x)/(1+x^(2)))=2f(x)

If f(x)=log((1+x)/(1-x)) , then f((2x)/(1+x^2)) equal to:

If f(x)=log((1+x)/(1-x)), then (a) f(x_(1))f(x)=f(x_(1)+x_(2))(b)f(x+2)-2f(x+1)+f(x)=0 (c) f(x)+f(x+1)=f(x^(2)+x)(d)f(x_(1))+f(x_(2))=f((x_(1)+x_(2))/(1+x_(1)x_(2)))

If f(x) = log ((1+x)/(1-x)) , then f((2x)/(1+x^(2))) is equal to

If f(x) = log ((1+x)/(1-x)) , then f((2x)/(1+x^(2))) is equal to

If f(x)=log((1+x)/(1-x)) , "then f "((2x)/(1+x^(2))) is equal to

If f(x)=log((1+x)/(1-x)) and then f((2x)/(1+x^(2))) is equal to {f(x)}^(2) (b) {f(x)}^(3)(c)2f(x)(d)3f(x)