Droites sécantes

\mathcal{D_1}

\mathcal{D_2}

D = (-12.498643057945095, -1.560899290110001, 0.6087757034517232)
E = (9.23815663079355, -1.3096073057666047, 0.42614299241620657)
F = (-0.7224028158481666, 0.7636256866100908, 1)
a = Plane(E, D, F)
f = Line(D, E)
A = PointIn(a)
g = Line(A, F)
B = Intersect(g, f)