Q. Determine a homogeneous linear differential equation with constant coefficients having having the following solution:(adsbygoogle = window.adsbygoogle || []).push({});

y = C1sin3x + C2cos3x

My idea is to differntiate both sides with respect to x and come up with an equation in dy/dx

what else? can be done......

Is my idea correct.

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# Finding a homogeneous solution

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