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Solve a 2nd order ODE.

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Find a particular solution to

y'' + 9y = -18sin(3t)

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Solution Summary

A 2nd order ODE is solved. The solution is detailed.

Solution Preview

Because this is a linear ODE with constant coeffs, then we can guess yp as follow:

yp= Acos(3t)+ Bsin(3t)

However, if we look ...

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