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April 27th, 2015, 05:49 AM   #1
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Second order, inhomogeneous ODE

Hi, can anyone solve 5y′′ + 3y′ + 25y = −61sin(2t) to give a particular integral in the form
yPI(t) = acos(ωt) + bsin(ωt)? It would be much appreciated.

Last edited by skipjack; April 27th, 2015 at 06:30 AM.
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April 27th, 2015, 06:29 AM   #2
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y(t) = 6cos(2t) - 5sin(2t)
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