1. Let L be the lamina occupying the region D, bounded by the parts of the circles x² + y² = 4 and x² + y² = 2x located in the first quadrant, and the piece of the y-axis between the points (0,0) and (0,2). Mass density is given by p(x, y) = √√√x² + y². (a) (b) Sketch the region D, and find the mass of L. Find the y-coordinate, y, of the center of mass

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