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Homework Help: Y''-6y'+5y = -25t^3, Diff EQ, did I mess up my guess again?

  1. Feb 24, 2006 #1
    Hello everyone! its me!
    I thought i for sure did this one right, but no, lies!
    Directions are to find a particular solution

    Here is what i did:
    http://suprfile.com/src/1/1t3y9m/lastscan.jpg [Broken]



    Thanks :)
     
    Last edited by a moderator: May 2, 2017
  2. jcsd
  3. Feb 24, 2006 #2

    quasar987

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    Why are you so quick to conclude that B=C=D=0 ?
     
  4. Feb 24, 2006 #3

    quasar987

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  5. Feb 24, 2006 #4
    I don't see where i messed up here, i thought i found all the co-efficents correctly:
    http://suprfile.com/src/1/1th0qc/lastscan.jpg [Broken]

    Anyone see? Thanks!@
     
    Last edited by a moderator: May 2, 2017
  6. Feb 24, 2006 #5

    quasar987

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    I don't. :/
     
  7. Feb 25, 2006 #6
    C is -186/5 so D must be changed too.
     
  8. Feb 25, 2006 #7

    quasar987

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    Well spotted!
     
  9. Feb 25, 2006 #8
    Ahh good one!
    thanks for the help everyone!
    http://cwcsrv11.cwc.psu.edu/webwork2_files/tmp/equations/90/e5ef2b88d7f77d6789601eb3d10ebb1.png [Broken]
     
    Last edited by a moderator: May 2, 2017
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