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Need Quick Help to Solve a diff eq

Treadstone
in Mathematics

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can someone solve this system for me...its killing me to do it by hand and i dont have my hands on any software

 

x'' - x' + y' + 2y = t

y'' + x' - 2x - y = cos2t

 

where x and y are functions of t

 

i just need the general solutions for x and y.....thanks fellas

ok. ill just stick it in maple when i get home. at uni now, and have to leg it to the next lecture.

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