" If "f(x)=(x-x|)/(1+x^(2))" then "f^(-1)(x)" equals "

If f(x)=-(x|x|)/(1+x^(2))" then "f^(-1)x equals :

If f:R rarr(-1,1) is defined by f(x)=-(x|x|)/(1+x^(2)), then f^(-1)(x) equals sqrt((|x|)/(1-|x|)(b)-sgn(x)sqrt((|x|)/(1-|x|))-sqrt((x)/(1-x))(d)) none of these

" If f(x)=(x)/(1+x) then f^(-1)(x) is equal to

If f(x)=x^(2)-x^(-2) then f((1)/(x)) is equal to

If f(x)=x^(2)-x^(-2) then f((1)/(x)) is equal to

If f(x) =(x-4)/(2sqrt(x)) , then f^(')(1) is equal to

If f:[1,oo)to[2,oo) is given by f(x)=x+(1)/(x) , then f^(-1)(x) equals :

If f(x)=log((1+x)/(1-x)) , then f((2x)/(1+x^2)) equal to:

If f : [1, oo) rarr [2, oo) is given by f(x) = x + (1)/(x) then f^(-1) (x) equals: