TeX Quellcode:

\begin{array}{ccl} \left( \sqrt[4]{z^2}\right)^3 &=& \left( z^{\frac{2}{4}} \right)^3 \cr &=& \vert z \vert^{\frac{1}{2} \cdot 3} \cr &=& \vert z \vert^{\frac{3}{2}} \cr &=& \sqrt{\vert z \vert^3} \end{array}