Given points A(4,3) and B(-1,5). The orthonormal coordinate system is (O,I,J), so I(1,0).
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Exercice 1
Given points $A(4,3)$ and $B(-1,5)$. The orthonormal coordinate system is $(O,I,J)$, so $I(1,0)$.
1. Détermine les coordonnées des vecteurs $\vec{AB}$ et $7\vec{AI}$.
Step 1: Calculate the coordinates of $\vec{AB}$.
The coordinates of $\vec{AB}$ are $(x_B - x_A, y_B - y_A)$.
$$ \vec{AB} = (-1 - 4, 5 - 3) = (-5, 2) $$
Step 2: Calculate the coordinates of $\vec
