$ \vec u $

$\vec u $

direción

$ \overrightarrow{CD} $

Produto por
un escalar

A = (-14.810960347322167, -0.03125907622718272)
B = (11.39855049815345, 13.411683583226448)
AB = Vector(A, B)
a = Line(A, B)
α = 2 (slider from -5 to 5, step 0.1)
B' = Dilate(B, α, A)
u = Vector(A, B')
texto4: "$ " + (LaTeX[α]) + "·\vec u $"