Katrineholm is a municipality in central Sweden, in the county of Södermanland. The municipality covers an area of 1018.5 km². Of the total population of 32370, 15895 are male, and 16475 are female. The population density of the community is 32 inhabitants per km².
... should be understood as "either of those element(s) of the field whose square equals b2 - 4ac". In some fields, some elements have no square roots and some have two; ...