TeX Quellcode:
\begin{array}{ccl} \sqrt[3]{x^2d} \cdot d^{-\frac{4}{3}} &=& \sqrt[3]{x^2} \cdot \sqrt[3]{d} \cdot d^{-\frac{4}{3}} \cr\cr &=& \sqrt[3]{x^2} \cdot d^\frac{1}{3} \cdot d^{-\frac{4}{3}} \cr\cr &=& \sqrt[3]{x^2} \cdot d^{\frac{1}{3}-\frac{4}{3}} \cr\cr &=& \sqrt[3]{x^2} \cdot d^{-1} \cr\cr &=& \dfrac{\sqrt[3]{x^2}}{d} \end{array}