Rapping is one part of hip hop music, which also includes DJing. Frequently, performing and recording groups are composed of both rappers and DJs. In the list below, all members of groups are given for the sake of completion, even though some are not rappers or rap only rarely.
... is not 2. (In a field 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 ...