PG entrance exam CUET PG 2025 Mock Test Engineering Mathematics Differential Equations Exact Differential Equations
Equation (α xy3 + y cos x) dx + (x2y2 + β sin x) dy = 0 is exact if
1
\(\alpha = \frac{3}{2},\;\beta = 1\)
2
\(\alpha = 1,\;\beta = \frac{3}{2}\)
3
\(\alpha = \frac{2}{3},\;\beta = 1\)
4
\(\alpha = 1,\;\beta = \frac{2}{3}\)