Question: The parametric equation for an elliptic cone in 3D is h-u h-u S(u, v) = (a cos v, b. sin v, u) h h

The parametric equation for an elliptic cone in 3D is h-u h-u S(u, v) = (a cos v, b. sin v, u) h h where u and v are the parameters and a, b, and h are constants. Derive the equation for the normal at a point (u, v) on the surface of the cone.

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