On note n la solution positive de l'équation: x^2-x-1

Calculer la valeur exacte de n^21

By: USER6798
28 Agustus 2025 mathematiques 5 minutes
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Grade: Education Subject: mathematiques
On note n la solution positive de l'équation: x^2-x-1

Calculer la valeur exacte de n^21
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Best Answer
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je ne vois pas d'autre solution que celle-ci
Δ=1+4=5    √Δ=√5
n1=1+√5/2     n2=1-√5/2
et n^21=  (1+√5/2)²¹
désolé.....
Answered on 28 Agustus 2025

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bonjour j'ai besoin d'aide pour cette exercice de mathématiques merci de votre aident. C'est un exercice de DM merci d'avance.


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B = 10 × 12 − 13

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D = 7 × 10 − (7 + 13) ÷ (7 + 3)

E = 13 + 8 + 11 ÷ 11 × 13 − 5

F = 12 ÷ 3 + 10 × 4 − (8 + 3)

G = 10 × (7 + 2) ÷ 9 + 2 − 11

H = 1,7 + 8,8 +

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