TeX Quellcode:

\vec{a} \times \vec{b} = \begin{pmatrix}4 \cdot \frac{8}{5} &-& \left(-12\right) \cdot 11 \cr -12 \cdot \left(-\frac{4}{3}\right) &-& \frac {13}{6} \cdot \frac{8}{5} \cr \frac{13}{6} \cdot 11 &-& 4 \cdot \left(-\frac{4}{3}\right)\end{pmatrix} = \begin{pmatrix}\frac{692}{5} \cr \frac{188}{15} \cr \frac{175}{6}\end{pmatrix} \approx \begin{pmatrix}138{,}4 \cr 12{,}53 \cr 29{,}17\end{pmatrix}