Article View: aus.mathematics
Article #101Re: differentiation from first principles
From: Ken Pledger
Date: Wed, 06 Feb 2008 23:47
Date: Wed, 06 Feb 2008 23:47
13 lines
2044 bytes
2044 bytes
In article <Virgil-20F147.11202605022008@comcast.dca.giganews.com>,
Virgil <Virgil@com.com> wrote:
> ....
> [1/(x+h) - 1/x]/h = [(x - (h+h))/(x*(x+h))]/h ....
Just in case it confused the OP, I'll mention the typo:
(x - (h+h)) should have been (x - (x+h)).
Ken Pledger.
Technical Details
Message-ID:
<ken.pledger-5DBAAC.12471707022008@bats.mcs.vuw.ac.nz>Path:
arc1-ca.pugleaf.net!g2news1.google.com!news2.google.com!border1.nntp.dca.giganews.com!nntp.giganews.com!local02.nntp.dca.giganews.com!nntp.clear.net.nz!news.clear.net.nz.POSTED!not-for-mailReferences:
<6QZpj.1343$Jh5.286@newsfe4-win.ntli.net> <Virgil-20F147.11202605022008@comcast.dca.giganews.com>Show Full Headers
Complete Article Headers
X-Google-Thread: 10d67e,b8d0301b318443bb X-Google-Attributes: gid10d67e,public,usenet X-Google-Language: ENGLISH,ASCII-7-bit Path: arc1-ca.pugleaf.net!g2news1.google.com!news2.google.com!border1.nntp.dca.giganews.com!nntp.giganews.com!local02.nntp.dca.giganews.com!nntp.clear.net.nz!news.clear.net.nz.POSTED!not-for-mail NNTP-Posting-Date: Wed, 06 Feb 2008 17:47:20 -0600 From: Ken Pledger <ken.pledger@mcs.vuw.ac.nz> Newsgroups: aus.mathematics Subject: Re: differentiation from first principles Organization: Victoria University of Wellington, New Zealand References: <6QZpj.1343$Jh5.286@newsfe4-win.ntli.net> <Virgil-20F147.11202605022008@comcast.dca.giganews.com> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit User-Agent: MT-NewsWatcher/3.4 (PPC Mac OS X) Date: Thu, 07 Feb 2008 12:47:17 +1300 Message-ID: <ken.pledger-5DBAAC.12471707022008@bats.mcs.vuw.ac.nz> Cache-Post-Path: bats.mcs.vuw.ac.nz!unknown@frank-kitts.mcs.vuw.ac.nz X-Cache: nntpcache 3.0.2 (see http://www.nntpcache.com/) X-Original-NNTP-Posting-Host: bats.mcs.vuw.ac.nz X-Original-Trace: 7 Feb 2008 12:47:17 +1300, bats.mcs.vuw.ac.nz Lines: 13 X-Usenet-Provider: http://www.giganews.com NNTP-Posting-Host: 203.97.37.6 X-AuthenticatedUsername: news10531 X-Trace: sv3-STioYIIIsoeef4PxaZvc4ZKQtYtEReBvwQRA9Fa7aGepi7aX71b4upLFrQqElp4LmXhiJdY1EBcuzpx!5c9e4XaooKtubxLauYtSYlpPwmPsMIUQk78z9rnxVAeHcfoFMXnFPsNlqYtpDctQruBbEF8ttthG!OH3N4XkwXSkLDf27Ga3+ X-Complaints-To: abuse@clear.net.nz X-DMCA-Complaints-To: abuse@clear.net.nz X-Abuse-and-DMCA-Info: Please be sure to forward a copy of ALL headers X-Abuse-and-DMCA-Info: Otherwise we will be unable to process your complaint properly X-Postfilter: 1.3.37