Given that σ is the part of the surface z = 2 − y in the first octant from x = 0 to x = 1. If ψ(x, y, z) = xyz, F(x, y, z) = z i + y j + x k and n is the unit normal vector to the surface pointing outwards, evaluate the following surface integrals: (i) ZZ σ ψ(x, y, z) dS (ii) ZZ σ F . n dS

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Q: Find the equation of the tangent plane Pr to the surface S:x2 +y? + z2 = 9 at (2,-1, 2)

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

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