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August 21, 2014

Homework Help: Calc

Posted by Erica on Monday, October 24, 2011 at 3:24am.

Find the integral from -∞ to -1 of 1/(1+x) dx.

I started working the problem out, and so far I got the lim as z→-∞ of [arctan (-1) - arctan (z)].

I'm a little bit confused exactly what is means when you plug -∞ into z, and how to solve the problem from here.

Thank you!

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