Let be the solution of the differential equation
.
If , then is equal to
.
If , then is equal to
- (A)
- (B)✓ Correct
- (C)
- (D)
Answer: (B)
Solution
Dividing by and using gives . With , , a linear equation with integrating factor . Then , so . The condition gives at , so and , hence . At , .
JEE Main · 2026 · 28 Jan 2026 · Shift 1 · Single correct option