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Mathematics 18 Online
OpenStudy (anonymous):

Given a linear equation for a plane (e.g. x+y-z=2), how do you convert it to a scalar equation? Or how do you find its normal vector?

OpenStudy (anonymous):

Oh, I think I just figured it out. The normal vector would just be <1, 1, -1> in this example. I think.

OpenStudy (barrycarter):

To check, dot product that with two vectors in the plane

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