If ` f.(x)= log((1+x)/(1-x))`, then

If f(x) = log_e ((1-x)/(1+x)) , then f' (0) is

If f(x) = log ((1+x)/(1-x)) , where -1 lt x lt 1 then f((3x+x^(3))/(1+3x^(2))) - f((2x)/(1+x^(2))) is equal to

If f(x) = log ((1+x)/(1-x)) , where -1 lt x lt 1 then f((3x+x^(2))/(1+3x^(2))) - 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)

If f(x) = log [(1+x)/(1-x)] , the prove that f[(2x)/(1+x^2)] =2f(x)

If f(x)=log((1+x)/(1-x))a n dt h e nf((2x)/(1+x^2)) is equal to {f(x)}^2 (b) {f(x)}^3 (c) 2 f(x) (d) 3f(x)

If f(x)=log((1-x)/(1+x)) , show that f(a)+f(b)=f((a+b)/(1+ab))

If , f(x)="log"((1+x)/(1-x)) ,show that f(x)+f(y)=f((x+y)/(1+xy))

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

If f(x)=log((1+x)/(1-x)),-1ltxlt1 then f((3x+x^(3))/(1+3x^(2)))-f((2x)/(1+x^(2))) is