TeX Quellcode:
\begin{array}{ccl} \dfrac{ \sqrt[5]{b^3}}{b} &=& b^{\frac{3}{5}} \cdot b^{-1} \cr &=& b^{\frac{3}{5}-1} \cr &=& b^{-\frac{2}{5}} \cr &=& \dfrac{1}{\sqrt [5]{b^2}} \end{array}