svppppppppppppppppppppppppppppppppppppppppppppp!!!!!!!! aidezzz moi à faire les deux derniers cas de.... Pergunta de ideia dekawtar60

June 2022 1 71 Report

svppppppppppppppppppppppppppppppppppppppppppppp!!!!!!!! aidezzz moi à faire les deux derniers cas de math et merci d'avance

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spemathsfr

Réponse :

Les deux derniers cas

Explications étape par étape : $a=b+\sqrt{5} ~~donc~~ a-b=\sqrt{5} >0 ~~~~ (~car~~ \sqrt{5} ~ \text{ est strictement positif})$ $>-----------------<img src=$

on a trouvé

$5(a-b)$

on divise par 5 , on obtient

$a-b$

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