v

A_1 = (0, 0)
B = (2.14, 0.62)
u = Vector(A_1, B)
A = (1.84, 2.08)
r = Line(A, u)
a1: x(A)
a2: y(A)
v1: x(u)
v2: y(u)
texto1: "r: (x,y)=A+t \, {\bf  \vec v} =(" + (LaTeX[a1]) + "," + (LaTeX[a2]) + ")+t\,(" + (LaTeX[v1]) + "," + (LaTeX[v2]) + ") \quad,  t \in \mathbb{R}"