Let the solution curve of the differential equation pass through the origin. Then is equal to
- (A)
- (B)✓ Correct
- (C)
- (D)
Answer: (B)
Solution
The integrating factor is (for ).
Multiplying the DE by I.F.:
Since the curve passes through the origin, .
Thus, .
(first term is odd).
Using the formula :
.
Multiplying the DE by I.F.:
Since the curve passes through the origin, .
Thus, .
(first term is odd).
Using the formula :
.
JEE Main · 2022 · 26 Jul 2022 · Shift 2 · Single correct option