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yaro99
 2 years ago
Steady state solution
4y''+12y'+9y=22575sin(3t)
I'm not sure what to do about the 225, I'd be able to solve it if it was just the sine term on the right.
yaro99
 2 years ago
Steady state solution 4y''+12y'+9y=22575sin(3t) I'm not sure what to do about the 225, I'd be able to solve it if it was just the sine term on the right.

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TuringTest
 2 years ago
Best ResponseYou've already chosen the best response.2Just add another constant in your guess for the particular if you are using undefined variables.

yaro99
 2 years ago
Best ResponseYou've already chosen the best response.1So it would be in the form \[K+a*\cos(3t)+b*\sin(3t)\]?

yaro99
 2 years ago
Best ResponseYou've already chosen the best response.1Cool, I got the solution. Thanks!
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