writhe equation of the sphere that is centered at the point C=(1,2,1) and is tangent to the plane 2x-2y-z=3
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Find the equation of the tangent plane to the surface deï¬ned by the equation xy + z^2016 = 3 at the point (1,2,1).
(a) Find an equation of the sphere that passes through the point (6,-2,3) and has a center (-1,2,1)
(b) Find the curve in which this sphere intersects the yz- plane.
(c) Find the center and radius of the sphere,