A_{1}: (8, 0, 3)
B_{1}: (-2, 4, 1)
u = Vector(A_{1}, B_{1})
A_{2}: (8, 3, -2)
B_{2}: (0, 0, 5)
v = Vector(A_{2}, B_{2})
f = Line(A_{2}, B_{2})
g = Line(A_{1}, B_{1})
w = Vector(A_{1}, A_{2})
a = Distance(f, g)
delta: abs(((u ⊗ v) * w)) / sqrt(((u ⊗ v) * (u ⊗ v)))