TeX Quellcode:

\begin{array}{rclll} \mathbb{D} &=& \left]-2\sqrt{6};0\right[ \cup \left]2\sqrt{6};\infty\right[ \cr\cr f'(x) &=& \dfrac{1}{\frac{1}{2}x^3-12x}\cdot\left(\frac{3}{2}x^2-12\right) \cr\cr &=& \dfrac{3x^2-24}{x^3-24x} \cr\cr\cr f''(x) &=& \dfrac{6x\left(x^3-24x\right)-\left(3x^2-24\right)\left(3x^2-24\right)}{\left(x^3-24x\right)^2}\cr\cr &=& \dfrac{-3x^4-576}{\left(x^3-24x\right)^2} \end{array}