[tex] \int_{-\infty}^{infty} s e^{-\frac{2s^2}{N}} ds [/tex](adsbygoogle = window.adsbygoogle || []).push({});

how do i integrate here?? I dont think the 'trick' of differentiating wrt N would work here since the limits of integration are all space....

any ideas??

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# 'trick' of differentiating

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