Question
Apply the indeterminate coefficients method to determine the general solution of the differential equation

STEP BY STEP without skipping any step please? It would be really helpful. I´m lost ):
у” + Зу = — 48e3x

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Answer #1

32 y + By = -48e for Yn; y +34 = 0 Let y =D² (D?+3) y = 0 f(0) = 8 +3 =0. D² =-3 2 Ď = gir D = t ſzi 1. 9, 11 ci Cos (Vox)for Yp; assume as solution of form у = а, е 3 ая 31 у. ? За, е 31 у. = 9а, е Зх. , e 3 3х. a a e За — — Age о 3х 12ane Эх =

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