Question: A cone-shaped surface lamina S is given by At each point on S, the density is proportional to the distance between the point and the

A cone-shaped surface lamina S is given by

At each point on S, the density is proportional to the distance between the point and the z-axis.
(a) Sketch the cone-shaped surface.
(b) Find the mass m of the lamina.

z = a(a - x + y), 0z a. 2

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