PG entrance exam CUET PG 2025 Mock Test Engineering Mathematics Differential Equations Exact Differential Equations
The differential equation (3a2x2 + by cos x) dx + (2 sin x – 4ay3) dy = 0 is exact for
1
a = 3, b = 2
2
a = 2, b = 3
3
a = 3, b = 4
4
a = 2, b = 5