If the function f(x)= cases k_1(x- )^2-1, & x _2 x, & x cases is twice differentiable, then the ordered pair...

Question

If the function f(x)= cases k_1(x- )^2-1, & x _2 x, & x> cases is twice differentiable, then the ordered pair (k_1,k_2) is equal to :

Accepted Answer

(A)

JEE Main 2020 Mathematics question