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Article #102

Re: differentiation from first principles

#102
From: Virgil
Date: Thu, 07 Feb 2008 01:16
18 lines
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In article <ken.pledger-5DBAAC.12471707022008@bats.mcs.vuw.ac.nz>,
 Ken Pledger <ken.pledger@mcs.vuw.ac.nz> wrote:

> 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.

Thanks!
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From: Virgil <Virgil@com.com>
Newsgroups: aus.mathematics
Subject: Re: differentiation from first principles
References: <6QZpj.1343$Jh5.286@newsfe4-win.ntli.net> <Virgil-20F147.11202605022008@comcast.dca.giganews.com> <ken.pledger-5DBAAC.12471707022008@bats.mcs.vuw.ac.nz>
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Date: Wed, 06 Feb 2008 18:16:16 -0700
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