Finding an Equation of a Tangent Plane and a Normal Line, (a) find an equation of the tangent plane to the surface at the given point and (b) find a set of symmetric equations for the normal line to the surface at the given point.
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Finding an Equation of a Tangent Plane and a Normal Line
In Exercises 17–26, (a) find an equation of the tangent plane to the surface at the given point and (b) find a set of symmetric equations for the normal line to the surface at the given point.
