[" Let "f:R rarr B" be a function defined by "f(x)=tan^(-1)(2x)/(1+x^(2))],[" then "f" is both one-one and onto when "B" is in the interval "]

Let f:R rarr B be a functio defined by f(x)=tan^(-1).(2x)/(1+x^(2)) , then f is both one - one and onto when B is in the interval

Let f:R rarr B , be a function defined f(x)=tan^(-1).(2x)/(sqrt3(1+x^(2))) , then f is both one - one and onto when B, is the interval

Let f:R rarr B , be a function defined f(x)=tan^(-1).(2x)/(sqrt3(1+x^(2))) , then f is both one - one and onto when B, is the interval

Let f:(-1,1)rarr B be a function defined by f(x)=tan^(-1)((2x)/(1-x^(2))). Then f is both one- one and onto when B is the interval

Let f: (-1, 1) rarr B be a function defined by (x)=tan^(-1) frac (2x)(1+x^2) , then f is both one-one and onto when B is the interval:

Let f:(-1,1) to B , be a function defined by f(x) = tan^(-1)((2x)/(1-x^(2))) , then f is both one-one and onto when B is the interval.

Let f:(-1,1)toB be a function defined by : f(x)=tan^(-1)""(2x)/(1-x^2) , then f is both one-one and onto when B is the interval :

Let f:(-1,-(1)/(sqrt(3)))rarr Bbe a function defined by f(x)=(tan^(-1)(3x-x^(3)))/(1-3x^(2)) then f is both oneone and onto when B is the interval

Let f:[-1,1] rArr B be a function defined as f(x)=cot^(-1)(cot((2x)/(sqrt3(1+x^(2))))) . If f is both one - one and onto, then B is the interval