Ao interceptarmos a reta r: (x, y, z) = (1, 0, 1) + !$ λ !$ (2, 1, 3) com o plano !$ \pi !$: x + y + z – 20 = 0 obteremos o ponto:
Ao interceptarmos a reta r: (x, y, z) = (1, 0, 1) + !$ λ !$ (2, 1, 3) com o plano !$ \pi !$: x + y + z – 20 = 0 obteremos o ponto:
