The set of all real values of for which the function f(x)=(1- ^2x).( + x), x (- 2 , 2 ), has exactly one...

Question

The set of all real values of for which the function f(x)=(1- ^2x).( + x), x (- 2 , 2 ), has exactly one maxima and exactly one minima, is :

Accepted Answer

(D)

JEE Main 2020 Mathematics question