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A problem on calculus

  1. Jun 8, 2007 #1
    how do you derive (1)?please work it out explicitly
    Last edited: Jul 27, 2008
  2. jcsd
  3. Jun 11, 2007 #2


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    Science Advisor

    What you have is
    [texJ(q^2)= -/frac{1}{2}ln^2(\frac{-q^2}{\lambda^2})+ 2ln(\frac{-q^2}{\lambda^2})+ \frac{\pi^2}{6}-\frac{5}{2}[/tex]
    If q and [itex]\lambda[/itex] are real, then those logarithms are not defined.
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