Leerdam (population: 21,028) is a town in the western Netherlands, in the province of South Holland. The municipality covers an area of 35.18 km² (of which 0.36 km² water).
The municipality of Leerdam also includes the following towns, villages and townships: Kedichem[?], Oosterwijk[?], Schoonrewoerd[?].
... the discriminant of the quadratic equation, because it discriminates between three qualitatively different cases:
If the discriminant is zero, then there is ...