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Article #101

Re: differentiation from first principles

#101
From: Ken Pledger
Date: Wed, 06 Feb 2008 23:47
13 lines
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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.
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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
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