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MIT 18.02 Multivariable Calculus, Fall 2007 14 Online
OpenStudy (vachanrao):

In lecture 1, Prof. says that coefficients of x, y, and z give the components of the normal vector. That can also be cross verified by taking the gradient of the equation of the surface right? In this case the surface is a plane, as a special case of 3d surface.

OpenStudy (phi):

yes

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