WilliamsF1, formerly Williams Grand Prix Engineering is a Formula One racing team formed and run by Frank Williams[?] and Patrick Head[?]. Founded in 1977, the team was highly successful throughout the 1980s and 1990s.
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The symbol
<math>\pm \sqrt {b^2-4ac}</math>
in the formula should be understood as "either of those element(s) of the field whose square equals b2 - ...