3. Let o(a) be a solution to the initial value problem: y" + 2y' + 5y = 0; y(0) = 0, y'(0) = 4. Let(a) be a solution to the initial value problem: y" — 2y' + 2y = 0; y(0) = -1, y'(0) = -1. Find (2) √(x). e* (cos x - 1) 4e cos x - 4 e² sin x 2e* sin 2x -4e-2a sin x

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