A third- order differential equation has a general solution of y=e^-2x ( C1 + C2cos8x + C3sin8x ). Determine the auxiliary equation.

Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter11: Differential Equations
Section11.1: Solutions Of Elementary And Separable Differential Equations
Problem 6E
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A third- order differential equation has a general solution of y=e^-2x ( C1 + C2cos8x + C3sin8x ). Determine the auxiliary equation.

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