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From: robby <me@plan.net.ivalid>
Newsgroups: fr.sci.maths
Subject: Re: 0!=1 ?
Date: Thu, 16 Mar 2023 07:16:05 +0100
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desmosgraph a aussi gamma et factorielle, tous deux noté x! 
https://www.desmos.com/calculator

( du coup il y a un petit piege: x! est en fait gamma(x-1) )

-- 
Fabrice