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From: Olivier Miakinen <om+news@miakinen.net>
Newsgroups: fr.sci.maths
Subject: Re: La courbe du jour
Date: Fri, 28 Mar 2025 16:08:40 +0100
Organization: There's no cabale
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Le 28/03/2025 13:31, Richard Hachel a écrit :
> 
> Soit la fonction f(x)=x⁴-2x²+8
> 
> [...]
> 
> Troisième question (6 points) :
> 3. Donner *les deux* racines complexes de f(x).

Moins 6 points pour l'auteur de l'énoncé. Dans le corps des complexes,
un polynôme de degré *quatre* a forcément *quatre* racines en comptant
la multiplicité.


-- 
Olivier Miakinen