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Homework Help: D.E. soulution

  1. Jun 1, 2005 #1
    solve [tex]y''+4y' +20y=0 ;y(0)=-3 ,\\ y'(0)=5[/tex] is this the general solution?

    [tex]e^{-2t}(C_1\cos{4t} + C_2\sin{4t})[/tex]
     
  2. jcsd
  3. Jun 1, 2005 #2

    BobG

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    Yes. It is.
     
  4. Jun 1, 2005 #3

    dextercioby

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    You don't need the general solution as the final answer,but the particular solution.

    Daniel.
     
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