Find the general solutions of the following differential equations. d'y dy +4 +9y = 4e" d'y dy - 3y 5 cos 2x (a) (b) +2 dx d'y dr dx dx (c) dx dy +2y =1-4x dx d'y ,dy +4 +4y 4 sin 2x dx (d) dx dy (e) dx – 3y = 10e2* dx

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