TeX Quellcode:

\begin{array}{rcl}\quad\mathbb{D}&=&\mathbb{R} \cr \cr f(x) &=& \dfrac{3x^2-2x+1}{2} \cr\cr &=& \dfrac{3}{2}x^2-x+\dfrac{1}{2} \cr\cr\cr f'(x) &=& 3x-1\end{array}