January 2021 0 206 Report
Aidez moi svp c urgent !!! soit ABC un triangle , on considere les pts D , E tel que :
( je ne peu pa mettre la fleche mais tout ce que j'ecris ce sont des vecteurs )
AD = 2AB + AC et BE= 1/3BC

1: Démontrer que AD = 3AE -- ca j'arrive pas aidez moi svp
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