Mathematics, 18.05.2021 18:50 morgannwaldrupp

Use undetermined coefficients to find a particular solution to the following inhomogeneous second-order linear differential equations: y''+6y'+13y=e^{−3t}cos2t. y ′′ +6y ′ +13y=e −3t cos2t. Hint: Check whether e^{−3t}cos2te −3t cos2t is a solution to y''+6y'+13y=0.y ′′ +6y ′ +13y=0.

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