Question: Webwork-Assignment-9: Problem 8 (1 point) Check by differentiation that y = 5 cos 3t + 4 sin 3t is a solution to y' + 9y

Webwork-Assignment-9: Problem 8 (1 point) Check by differentiation that y =

Webwork-Assignment-9: Problem 8 (1 point) Check by differentiation that y = 5 cos 3t + 4 sin 3t is a solution to y' + 9y = 0 by finding the terms in the sum: y" = 9y = So y' + 9y = 0

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