Let f:(-1,1) → B, be a function defined by f(x)= an ^{-1} \;{2 x}/{1-x^2},then f is both one-one and onto when B is the interval

Question

Let f:(-1,1) → B, be a function defined by f(x)=	an ^{-1} \;{2 x}/{1-x^2},then f is both one-one and onto when B is the interval

Examsnet · Accepted Answer

Correct Answer is : (−‌π2,‌π2)

AIEEE 2005 Math Solved Paper