The Dutch Football League is organized by the Koninklijke Nederlandse Voetbal Bond[?] (KNVB, Royal Dutch Football Association). There are two divisions for professional teams in the Netherlands: a premier division (eredivisie) and a first division (eerste divisie). Previously, a second division was also in existence, but it was discontinued after the 1970/1971 season.
... of characteristic 2, the element 2a is zero and it is impossible to divide by it.)
The symbol
<math>\pm \sqrt {b^2-4ac}</math>
in the formula should ...