Let A = (2, 2, 0) B = (1, – 1, 2) and C = (3, 1, 1) be three points in \mathbb{R} ^ 3 Denote P to be the plane passing through A, B, C. (a) Find a vector vec n that is orthogonal (perpendicular) to the plane P. (b) Find an equation of … Continue reading Finding Plane Equation and Closest Point