Hill Christensen
10/30/2023 · Senior High School
Exemple. Soit \( \left(u_{n}\right)_{n \in \mathbb{N}} \) la suite réelle définie par \( u_{0}=0 \) et la relation de récurrence suivante : \[ \forall n \in \mathbb{N}, \quad u_{n+1}=\frac{5 u_{n}-2}{u_{n}+2} \] 1. Montrer que la suite \( u \) est bien définie et que \( \forall n \in \mathbb{N}, u_{n}>1 \)
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La suite \( u \) est bien définie et pour tout \( n \in \mathbb{N}, u_{n}>1 \).
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