TeX Quellcode:

\begin{array}{rcl}g'_y(x,y) &=& \dfrac{3}{2}x^2 y^{\frac{3}{2}-1}-0 \\\\&=& \dfrac{3}{2}x^2y^{\frac{1}{2}} \\\\&=& \dfrac{3}{2}x^2\sqrt{y}\end{array}