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Method of Variation of parameters

  1. Jan 21, 2009 #1


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    When using the method of variation of parameters to solve something like;

    y'' + y' = 2^x

    I got the aux. equation: r^2 - r =0 which gives the roots r=0,1

    How do I find the complementary equation yc?
  2. jcsd
  3. Jan 22, 2009 #2
    what is the aux. eqn? did you solve the homogenous eqn by assuming an exponential then differentiating and plugging in?
  4. Jan 23, 2009 #3
    If you meant complementary function then it got nothing to do with the method of variation of parameters. The method is meant for computing a particular solution yp(x).
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