Hi. I'm stuck on this integral problem:

I keep playing around with substitution and +/- tricks and such like, and I just don't seem to be figuring it out.

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- Feb 11th 2013, 09:50 PMinfraRedintegral with e
Hi. I'm stuck on this integral problem:

I keep playing around with substitution and +/- tricks and such like, and I just don't seem to be figuring it out. - Feb 11th 2013, 10:15 PMchiroRe: integral with e
Hey infraRed.

Hint: Try multiplying the integral inside by x/x and use the substitution u = e^(-x) + 1. - Feb 11th 2013, 10:27 PMProve ItRe: integral with e