Practicing Success
Practicing Success
CUET Preparation Today
If the function f : R→ A given by $f(x)=\frac{x^2}{x^2+2}$ is a surjection, then A is equal to |
$R$ [0, 1] (0, 1] [0, 1) |
[0, 1) |
Range of $\frac{x^2}{x^2+2}=A⇒x^2=\frac{2A}{1-A}≥0⇒0≤A<1$ |
