TeX Quellcode:

\vec{a}^{\,T} \cdot \vec{b} = \dfrac{3}{5} \cdot \dfrac{8}{3} \cdot -30 + -28 \cdot \dfrac{8}{3} \cdot 0 + \dfrac{1}{3} \cdot \dfrac{8}{3} \cdot 0 = -48