Kungsbacka (population 65,113) is a municipality in the county of Halland in southwest Sweden. It is located about 30 km south of Gothenburg. The municipality of Kungsbacka has an area of 610.3 km², with a population density of 107 inhabitants per km².
... impossible to divide by it.)
The symbol
<math>\pm \sqrt {b^2-4ac}</math>
in the formula should be understood as "either of those element(s) of the field ...