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A lamina occupies the part of the disk x2 + y2 ≤ 9 in the first...

A lamina occupies the part of the disk x2 + y2 ≤ 9 in the first quadrant. Find the center of mass of the lamina if the density at any point is proportional to the square of its distance from the origin. Hint: use polar coordinates(x, y) =

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