If , then at is equal to
- (A)
- (B)✓ Correct
- (C)
- (D)
Answer: (B)
Solution
Differentiate implicitly using logarithmic differentiation:
At : and .
Substituting:
At : and .
Substituting:
JEE Main · 2023 · 06 Apr 2023 · Shift 1 · Single correct option
Answer: (B)
JEE Main · 2023 · 06 Apr 2023 · Shift 1 · Single correct option