Question: Solve the given nonhomogeneous linear ODE by variation of parameters or undetermined coefficients. Show the details of your work. (D 2 + 2D + 2I)y

Solve the given nonhomogeneous linear ODE by variation of parameters or undetermined coefficients. Show the details of your work.

(D2 + 2D + 2I)y = 4e-x sec3x

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