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distance formula for circle. C2 Edexcel June 2012 Q3 a b Example. Then the shortest distance D between the point and the circle is given by.
X 2 x 1 2 y 2 y 1 2 d. C p d o r C 2 p r. The circle C with centre T and radius r has equation.
Distance x 2 x 1 2 y 2 y 1 2.
If we want coordinates of where and are variables and the distance of from constant say then moving point about point maintaining the distance forms a circle. A Find the. X 2 x 1 2 y 2 y 1 2 d. C2 Edexcel June 2012 Q3 a b Example.