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Differential Equation - Finding the Particluar Integral

  1. Apr 23, 2010 #1
    I'm working on this problem and have found the complimentary function, but I'm not quite sure I understand how to get the particular integral from the complimentary function. The text book I have makes it seem as though it is pretty much guess work, but I was wondering if there is any sort of method that is better than just guessing. My work is scanned and attached as an image ;)

    Thanks!
     

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  3. Apr 23, 2010 #2

    vela

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    I think you need to consider the t>0 and t<0 cases separately because of the absolute value in the forcing function.
     
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