Show that the function f:R→{x∈R:-1<x<1} defined by f(x)=x/(1+|x|),x∈R is one-one and onto function.
This question is exactly same as Misc 1- Chapter 1 Class 12
Please check https://www.teachoo.com/4045/674/Misc-4---Show-f(x)--x---1----x--is-one-one-onto-/category/Miscellaneous/