The answer to this equation is y = (1/5)e^x + {(1 – (2/5)sin x – (6/5)cos x}e^–x Answer this using the method of undetermined coefficient. y" – y = 2e^–x (cos x – sin x), y(0) = 0, y'(0) = 0.

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A: As per guidelines, we are supposed to solve only first two questions. Please repost other questions…