If is the solution of the differential equation , then the local maximum value of the function , is :
- (A)
- (B)0
- (C)
- (D)✓ Correct
Answer: (D)
Solution
The differential equation is .
Integrating factor: .
Multiplying:
Integrating:
Using : , so .
Thus .
at .
Checking the second derivative or sign change, gives a local maximum.

Integrating factor: .
Multiplying:
Integrating:
Using : , so .
Thus .
at .
Checking the second derivative or sign change, gives a local maximum.

JEE Main · 2022 · 26 Jun 2022 · Shift 2 · Single correct option