Let `f:R rarr R` be defined by `f(x)=(x)/(x^(2)+1)` Then `(fof(1)` equals

5.Let f:R rarr R be defined by f(x)=x^(2)-1 .Then find fof (2)

f:R rarr R defined by f(x)=(x)/(x^(2)+1),AA x in R is

f:R-{1}rarr R defined by f(x)=(x+1)/(x-1)

If f:R rarr R is defined by f(x)=x/(x^2+1) find f(f(2))

f:R rarr R defined by f(x)=(x^(2)+x-2)/(x^(2)+x+1) is

f:R rarr R defined by f(x)=(x^(2)+x-2)/(x^(2)+x+1) is:

If f:R rarr R defined by f(x)=(x-1)/(2) , find (f o f)(x)

Let f:R-{(3)/(5)}rarr R be defined by f(x)=(3x+2)/(5x-3). Then

Let f:R rarr R be defined by f(x)=In(x+sqrt(x^(2)+1)), then number of solutions of |f^(-1)(x)|=e^(-|x|) is :