PG entrance exam CUET PG 2025 Mock Test Engineering Mathematics Numerical Methods Solutions of Differential Equations
Using the method of variation of parameter solve y'' + y = sec x
1
{C1 + ln (sin x)}cos x + (C2 + x)sin x
2
{C1 + ln (cos x)}cos x + (C2 + x)sin x
3
{C1 + ln (sin x)}cos x + (C2 + x)cos x
4
{C1 + ln (cos x)}sin x + (C2 + x)sin x