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| From: | Jesper Harder |
| Subject: | Re: lisp question |
| Date: | Tue, 01 May 2007 21:10:44 +0200 |
| User-agent: | Gnus/5.110004 (No Gnus v0.4) Emacs/22.0.98 (darwin) |
A Soare <alinsoar@voila.fr> writes:
> What determined the mathematicians to give the definition of x^0 = 1,
> not defined for x=0 ?
Because 0/0 is undefined:
x^1 x
x^0 = ---- = ---
x^1 x
x=0 -> 0/0.
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