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Find equation of a plane from 3 points?

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Hi, I know I've asked plane related questions previously here, but I know exactly what I want now ;), anyway, how would I get the equation of a plane from 3 points? For example if I had these 3 points: (0,1,2), (5,9,3), (7,4,8) Thanks alot.

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Find the normal of the triangle descrived by the 3 points, thats the plane normal, then the distance is the dot product of the Normal and any of the 3 points.

that would give you the quation p . n = d

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