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Mathematics 16 Online
OpenStudy (anonymous):

y''+4y=cos(2x)

OpenStudy (turingtest):

What method do you want to use here?

OpenStudy (anonymous):

You're trying to get Y double prime by itself right?

OpenStudy (anonymous):

This looks like an undetermined coefficient problem

OpenStudy (anonymous):

I have got the solution, thanks a lot to every body

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