TeX Quellcode:

\begin{array}{ccl} \dfrac{ \sqrt{x^3}}{x \cdot \sqrt{x}} &=& x^{\frac{3}{2}} \cdot x^{-1} \cdot x^{-\frac{1}{2}} \cr &=& x^{\frac{3}{2}-1-\frac{1}{2}} \cr &=& x^0 \cr &=& 1 \end{array}