Dals-Ed is a municipality in southwest Sweden, in the county of Västra Götaland. The municipality covers an area of 728.0 km². Of the total population of 5047, 2567 are male, and 2480 are female. The population density of the community is 7 inhabitants per km².
... computing roots numerically, the usual form of the quadratic formula is not ideal. See Loss of significance for details.
Derivation
The quadratic formula is derived by ...