TeX Quellcode:

\begin{array}{rcl} \mathbb{D} &=& \mathbb{R} \cr\cr f(x) &=& 18 x^{\frac{1}{5}} \cr \cr \cr F(x) &=& 18\cdot\genfrac{}{}{1pt}{0}{1}{\dfrac{6}{5}}x^{\frac{1}{5}+1}+c \cr \cr &=& 18\cdot\dfrac{5}{6}x^\frac{6}{5}+c \cr \cr &=& 15\sqrt[5]{x^6}+c \end{array}