Mathis Crawford
06/25/2024 · Senior High School
Soient \( A, B \) et \( C \) trois points non alignés du plan 1) Construire les points \( D \) et \( E \) tels que \( \overrightarrow{A D}=\frac{4}{3} \overrightarrow{A B} \) et \( \overrightarrow{C E}=\frac{1}{3} \overrightarrow{A C} \) ( 2 ) Montrer que les deux droites \( (B C) \) et (DE) sont parallèles
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1. Construct points \( D \) and \( E \) using vector scaling.
2. Show that the lines \( BC \) and \( DE \) are parallel by proving their direction vectors are proportional.
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