Since 1871 the administrative center of the district is located in Dielsdorf. Before it was named Regensberg District.
Communities
... b/(2a) from both sides, we get <math>x=\frac{-b}{2a}\pm\frac{\sqrt{b^2-4ac}}{2a}=\frac{-b\pm\sqrt{b^2-4ac}}{2a}.</math> Generalizations The formul ...