If f(x)= cases 1 |x| , & |x| 1 ^2+b, & |x|

Question

If f(x)= cases 1 |x| , & |x| 1 ^2+b, & |x|<1 cases is differentiable at every point of the domain, then the values of a and b are respectively :

Accepted Answer

(D)

JEE Main 2021 Mathematics question