Differentiate gen. solution of a inhomogeneous diff equation to find particular soln!
General solution is
y = e ^(-2x) ( C cos 2x + D sin 2x) - ( cos2x - sin2x)
y complentary = e ^(-2x) ( C cos 2x + D sin 2x)
y particular = - cos2x - sin2x
General solution is
y = e ^(-2x) ( C cos 2x + D sin 2x) - ( cos2x - sin2x)
y complentary = e ^(-2x) ( C cos 2x + D sin 2x)
y particular = - cos2x - sin2x
thanks
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