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Thread: Integral problems

  1. January 22nd 2013, 08:32 PM #1
    nasiri
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    Integral problems

    I have two integral problems:
    \int \frac{x}{x^2+3} e^{tx} dx
    \int arctan(\frac{x}{\sqrt{3}}) e^{tx} dx
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  2. January 22nd 2013, 10:22 PM #2
    Prove It
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    Re: Integral problems

    Neither of these have closed form solutions and both require knowledge of the Exponential Integral \displaystyle \begin{align*} \textrm{Ei}\,(x) \end{align*}.
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