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Find y as a function of a if y + 81y' = 0, y(0) = -9, y (0) = 54, y(0) 243. y(z) =

Find y as a function of a if y" + 81y' = 0, y(0) = -9, y (0) = 54, y"(0) 243. y(z) = %3D %3D

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