[tex]Zadanie\\\\y=\frac{2}{x-1}\ \ \mid\cdot(x-1)\\\\y(x-1)=2\\\\xy-y=2\ \ \mid+y\\\\xy=2+y\ \ \mid:y\\\\x=\frac{2+y}{y}\ \ \ \ lub\ \ \ \ x=\frac{2}{y}+1\\\\\\Zal.\ y\ne0[/tex]
