maxlocal.py

Created by elisapuce2005

Created on April 16, 2022

467 Bytes

f est croissante sur Df si seule
ment f'(x) est strictement + 
pour tout x appatenant à Df

f est décroissante sur Df si seule
ment f'(x) est strictement - 
pour tout x appatenant à Df

Soit f une fonction défini est 
dérivable sur un intervalle Df
La fonction f admet un extremum
local en x=k, si sa dérivée 
s'annule et change de signe 
en x=k 

Si f' passe du + au -, f admet
un maximum local 
Si f passe du - au +, f admet
un minimum local

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