\( \definecolor{colordef}{RGB}{249,49,84} \definecolor{colorprop}{RGB}{18,102,241} \)
Pour \(A\left(\textcolor{colordef}{1},\, \textcolor{colorprop}{2}\right)\) et \(B\left(\textcolor{colordef}{5},\, \textcolor{colorprop}{4}\right)\), calcule la pente de la droite \(\LineFr{AB}\).
Pente de \(\LineFr{AB}\) =