If , , then :
- (A)
- (B)
- (C)
- (D)✓ Correct
Answer: (D)
Solution
Given: .
Differentiating with respect to :
Differentiating again:
Substituting :
Differentiating with respect to :
Differentiating again:
Substituting :
JEE Main · 2022 · 27 Jun 2022 · Shift 1 · Single correct option