Let σ be the surface denoted by z = x² + y² + 2xy bounded by x² + y² = 2. Knowing that the density of a material that has the shape of σ is given by [image], determine the mass of this surface.

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Q: d(x,y,z)=x+y+

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Q: Evaluate (image) over the sphere D = { (x,y,z) | x2 + y2+z2 ≤ R2 }

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Q: What is the surface area of a hyperbolic paraboloid described by parametric eqn: z = xy, where x,…

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