Respostas

2013-10-21T16:17:48-02:00
(0, 0, 1), (0, 1, 0), (1, 0, 0), (0, \frac{\sqrt{2}}{2}, \frac{\sqrt{2}}{2}) e (\frac{\sqrt{2}}{2}, \frac{\sqrt{2}}{2}, 0)