Bonjours!
On considère la suite V(n)=1/Un-1
Démontrer que la suite V(n) est arithmétique de raison 1/3
on a Un+1=4Un-1/Un+2

By: USER1817
27 Agustus 2025 mathematiques 5 minutes
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Question

Grade: Education Subject: mathematiques
Bonjours!
On considère la suite V(n)=1/Un-1
Démontrer que la suite V(n) est arithmétique de raison 1/3
on a Un+1=4Un-1/Un+2
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Answer (141)

Best Answer
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Bonjour,
je te mets la réponse en fichier joint.

Answered on 27 Agustus 2025

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COLLÈGE MATHÉMATIQUES 5+3 pts


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salaire médian:1875€
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Bonjour, je comprends cet exercice de 5e :

"(C1) est un cercle de rayon 3 cm et (C2) est un cercle de rayon 6 cm, ils ont tous les deux pour centre O.
Montrer que l'aire comprise entre les deux cercles est égale à 27π cm2
Donner une valeur approchée de cette aire à l'unité près."

Merci.

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