CUET Preparation Today
$f(x)=\sqrt{1+x+x^2}-\sqrt{1-x+x^2}$ is : |
even odd neither even nor odd None of these |
odd |
$f(-x)= \sqrt{1+(-x)+(-x)^2}-\sqrt{1-(-x)+(-x)^2}$ $\sqrt{1-x+x^2}-\sqrt{1+x+x^2}$ = – f(x). Hence f(x) is odd. Hence (2) is the correct answer. |
