Range of `1/(x^2+1)` is

The range of (1)/(1+x^(2)) is

For finding range we sometimes use the quadratic equation for example f(x)=x^(2)+2x+2 will have range [1,oo) as, f(x)=x^(2)+2x+2=(x+1)^(2)+1 ge 1 Range of -x^(2)+4x+6 is

For finding range we sometimes use the quadratic equation for example f(x)=x^(2)+2x+2 will have range [1,oo) as, f(x)=x^(2)+2x+2=(x+1)^(2)+1 ge 1 Range of -x^(2)+4x+6 is

Range of f(x)= (1)/(1- 2 cos x) is

Range of (x^(2)-x+1)/(x^(2)+x+1) is

Range of f(x) =sin^-1(sqrt(x^2+x+1)) is

Range of f(x) =sin^-1(sqrt(x^2+x+1)) is

Range of f(x) =sin^-1(sqrt(x^2+x+1)) is

The range of f(x) = x^2 + 1 is

Range of sin^(-1)((x^(2)+1)/(x^(2)+2)) is