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- Path: sparky!uunet!news.claremont.edu!ucivax!news.service.uci.edu!beckman.com!dn66!a_rubin
- Newsgroups: sci.math
- Subject: Re: Integral Puzzle (Evil)
- Message-ID: <a_rubin.724696324@dn66>
- From: a_rubin@dsg4.dse.beckman.com (Arthur Rubin)
- Date: 18 Dec 92 16:32:04 GMT
- References: <1992Dec18.010048.18658@husc15.harvard.edu>
- Organization: Beckman Instruments, Inc.
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- Lines: 14
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- In <1992Dec18.010048.18658@husc15.harvard.edu> blom@husc15.harvard.edu writes:
-
- >If you're bored or want to see just how much Calculus you REALLY know, try
- >integrating 1/(x^7+1) from 0 to infinity. It's a lot harder than it looks.
- >Now, can you put that into some form that does not use trig functions?
-
- alpha = Pi/7
-
- ans = alpha/Sin(alpha) = Beta(1/7,6/7) / 7
- --
- Arthur L. Rubin: a_rubin@dsg4.dse.beckman.com (work) Beckman Instruments/Brea
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