Préfecture (capital): Bourg-en-Bresse[?]
Sous-préfectures: Belley[?], Gex[?], Nantua[?]
See also: List of the communes of the Ain département
... is now a perfect square; it is the square of (x + b/(2a)). The right side can be written as a single fraction; the common denominator is 4a2. W ...