Let be the solution curve of the differential equation , passing through the point . Then is equal to
- (A)
- (B)19
- (C)
- (D)✓ Correct
Answer: (D)
Solution
This is a first-order linear ODE: where .
Integrating factor:
The general solution:
Using the initial condition :
At :
Simplifying:
Integrating factor:
The general solution:
Using the initial condition :
At :
Simplifying:
JEE Main · 2022 · 28 Jul 2022 · Shift 2 · Single correct option