The French Open (or the Rolland Garros) tennis tournament, held from the middle of May to the beginning of June in Paris, France, is the second of the world's Grand Slam in tennis tournaments. The tournament started on 1891 and has been held every year since.
The most unique characteristic of the French Open is the red clay surface, one which alters the ball's bounce and the player's approach to the match.
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If the discriminant is zero, then there is a repeated solution x, and this solution is real. (Geometrically, this means that the parabola described by the ...