Hard question about differential eq.

Question

Find the general solution of y''''+3y'''+13y'+30y=e^{-x} given that y1(x)=e^xcos2x

Answer 1

Greetings,

I think you have a typo in your problem since y1(x) =e^x cos (2x) is not a solution to the given differential equation. Please doube check your problem and I can help yu then.