A lamina occupies the region inside the circle x² + y² = 12y but outside the circle x² + y² = 36. The density at each point is inversely proportional to its distance from the orgin. Where is the center of mass? ( )

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A: Please see the below picture for detailed solution.

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A: To find the point of intersection for the lines v→t=-4, 8, -3t+-2, 2, 1and w→u=-6, 1, 2u+8, 15, -11.…

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A: If cotβ=-27 and sinβ&lt;0, then to determine the exact value of cosβ.

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