Three Dimensional Geometry

$\frac{-11}{\sqrt{179}}, \frac{7}{\sqrt{179}}, \frac{-3}{\sqrt{179}}$

$\frac{1}{\sqrt{2}}, 0, \frac{-1}{\sqrt{2}}$

$\frac{5}{\sqrt{41}}, \frac{-4}{\sqrt{41}}, 0$

$\frac{2}{\sqrt{5}}, \frac{-1}{\sqrt{5}}, 0$