TeX Quellcode:

\vec{o} \times \vec{n} = \begin{pmatrix}-7 \cdot \left(-24\right) &-& 6 \cdot 9 \cr 6 \cdot \left(-3\right) &-& 14 \cdot \left(-24\right) \cr 14 \cdot 9 &-& \left(-7\right) \cdot \left(-3\right)\end{pmatrix} = \begin{pmatrix}114\cr318\cr105\end{pmatrix}