Geometry. If three points (x1, y1), (x2, y2), and (x3, y3)
Chapter 10, Problem 66(choose chapter or problem)
Geometry. If three points (x1, y1), (x2, y2), and (x3, y3) are collinear (lie on the same line), then the following determinant must be satised:Determine whether (0, 5), (2, 0), and (1, 2) are collinear.
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