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# Solving a 2nd order differential equation

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Find a particular solution to the differential equation: y'' - 2y' -15y = 450t^3

##### Solution Summary

A 2nd order ODE is solved.

##### Solution Preview

Because the right hand is is a polynomial of the 3rd degree, we choose yp= at^3+ bt^2+ ct+ d. Plug this into the equation ...

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