Circle equation.

If given 2 points decide what is the equation of the circle that passing through the points.

Expert Answers

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It is not possible to obtain the equation of a circle that passes through 2 points because there can be an unlimited number of circles that can pass through the two points.

Like we need two points to define a line, 1 point is not enough; for a circle 3 points are essential, 2 are not enough.

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