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Partial fractions?

  1. Apr 1, 2010 #1
    1. The problem statement, all variables and given/known data
    Need to refresh my memory :-S

    Indefinite integral of x/(1+x^2) ..

    2. Relevant equations

    3. The attempt at a solution

    Would I use partial fractions on that bad boy?
  2. jcsd
  3. Apr 1, 2010 #2
    nevermind... substitution of u = 1+x^2 is easier.. :-)
  4. Apr 1, 2010 #3


    Staff: Mentor

    Partial fractions is not a viable candidate for this problem, since 1 + x2 is irreducible in polynomials with real coefficients.
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