Mark is a municipality in southwest Sweden, in the county of Västra Götaland. The municipality covers an area of 935.9 km². Of the total population of 32951, 16433 are male, and 16518 are female. The population density of the community is 35 inhabitants per km².
... of the quadratic equation, because it discriminates between three qualitatively different cases:
If the discriminant is zero, then there is a repeated solution x, and ...