Soit L un réel positif.

L^2 + 16 = 18

L=……?

Merci d’avance

By: USER3589
27 Agustus 2025 mathematiques 5 minutes
4.5
94 views 94 comments 13 shares

Question

Grade: Education Subject: mathematiques
Soit L un réel positif.

L^2 + 16 = 18

L=……?

Merci d’avance
Asked by:
94 Viewed 94 Answers

Answer (94)

Best Answer
(180)

Réponse :

bonjour

Explications étape par étape :

L²+16=18

L²=18-16

L²=2

comme L >0

L=√2

Answered on 27 Agustus 2025
(264)

Bonjour ,

Il faut résoudre l'équation soit :

L^2 + 16 = 18

L^2 + 16 -16 = 18 - 16 = 2

L^2 = 2

Pour enlever le carré :

L =  √2

Donc , on voit que L= 2

Answered on 27 Agustus 2025

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