- Thread starter
- Moderator
- #1
- Jan 26, 2012
- 995
Thanks to those who participated in last week's POTW!! Here's this week's problem.
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Problem: Using contour integration, show that
\[\int_{-\infty}^{\infty}\frac{\cos x}{(x^2+1)^2}\,dx = \frac{\pi}{e}.\]
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Remember to read the POTW submission guidelines to find out how to submit your answers!
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Problem: Using contour integration, show that
\[\int_{-\infty}^{\infty}\frac{\cos x}{(x^2+1)^2}\,dx = \frac{\pi}{e}.\]
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Remember to read the POTW submission guidelines to find out how to submit your answers!