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Math Help - Integration by parts - Double integral

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    Integration by parts - Double integral

    I have tried to integrate this without getting to the right destiny!

     \int_{0}^{\infty} \int_{-\infty}^{\infty}[(u_t + f(u)_x)v]dxdt.

    where v:\mathbb{R}\times [0,\infty) \rightarrow \mathbb{R} is smooth, with compact support.
    Last edited by simplicity2928; November 8th 2010 at 02:01 AM. Reason: Next time add the opening [math] and closing [/math] tags
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