Re: continuity of a derivative
From: The World Wide Wade (waderameyxiii_at_comcast.remove13.net)
Date: 02/11/05
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Date: Fri, 11 Feb 2005 15:18:49 -0800
In article
<1108161201.662124.271680@c13g2000cwb.googlegroups.com>,
"steve" <sasha@nikodyne.com> wrote:
> Another frustrating problem for me:
>
> For f(t)=exp(1/(t*t-1)), |t|<1, 0 otherwise,
> show f'(t)-->0 as |t| increases to 1.
Compute f'(t) and tell us what is puzzling you.
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