Suppose that G is a solid region enclosed by z=1−y2,z=0,y=0,x=−1 and x=1 Evaluate the mass of the solid with density δ(x

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Suppose that G is a solid region enclosed by z=1−y2,z=0,y=0,x=−1 and x=1 Evaluate the mass of the solid with density δ(x,y,z)=2022yz​ (b) Let σ be the portion of plane x+2z​=1−2y​ in the first octant. Sketch the surface σ and by using Stokes' Theorem evaluate ∮σ​F∙dr for the vector field F=xzi+xyj+3xzk if σ is traversed counter clockwise.