Let S be the surface of the solid bounded by the paraboloid z = 9 – a? – y² and the planes z =1 and z = 4. Let F(2, y, 2) = (y², zz, zv9 – z² – y²). Find F dS. [Hint: use the Divergence Theorem and a change to cylindrical coordinates. Set up the cylindrical integral in the order dr d0 dz.]

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A: To find :Equation of tangent plane to the surface x2+y2+z2=9 at the point (2,-1,2).