1999 - Mike Tyson is sentenced to a year's imprisonment, fined $5,000, and ordered to serve 2 years probation and perform 200 hours of community service for the August 31, 1998 assault on two people after a car accident.
... (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 the ...