Géométrie dans l'espace
Coordonnées, vecteurs et géométrie analytique dans l'espace
Deux exercices pour se repérer
Vecteurs coplanaires
Définition
Dire que les vecteurs 











Propriété
Les vecteurs 





Exercice 3
Les vecteurs



Exercice 4
Les vecteurs



Représentation paramétrique d'une droite
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