\(\vec{u} . \vec{v} = 8\)
VRAI
FAUX
On a \(\vec{u}(4 ; 0)\) et \(\vec{v}(-2 ; 3)\).
\(\vec{u} . \vec{v} = 4 \times (-2) + 0 \times 3 = -8 + 0 = -8\)
