If , , then
- (A)
- (B)
- (C)✓ Correct
- (D)
Answer: (C)
Solution
Let , , , so . Differentiating, , , . Then gives ; gives ; and gives , i.e. . Combining, , so and . Hence , with , , , . These satisfy , so .
JEE Main · 2023 · 24 Jan 2023 · Shift 1 · Single correct option