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Homework Help: Partial fractions

  1. Oct 11, 2009 #1
    [tex]
    \int \frac{x^2+3x+1}{x^4+5x^2+4}
    [/tex]
    [tex]
    (Ax+B)(x^2+1)+(Cx+D)(x^2+4)
    [/tex]
    letting x=0 ..B+4D=1 not sure of the next move
    1. The problem statement, all variables and given/known data



    2. Relevant equations



    3. The attempt at a solution
     
  2. jcsd
  3. Oct 11, 2009 #2

    tiny-tim

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    Science Advisor
    Homework Helper

    Hi nameVoid! :smile:
    That's fine. :smile:

    Now equate the coefficients of x, and then the coefficients of x2, and then the coefficients of x3.
     
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