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April 17, 2014

Homework Help: integration (calculus)

Posted by Steff on Thursday, July 7, 2011 at 11:35am.

Find the indefinite integral.

∫((e^-x-1)/(e^-x + x)^2) dx

I am trying to use the substitution method.

u=e^-x + x
du= -e^-x+1 dx

Right so far?

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