Find the volume generated by revolving the area bounded by the curve 3: = (1 — 122:2 and the x — axis about the y — axis. . A round hole of radius a is bored through the center of a sphere of radius 2a. Find the volume cutout. . Find the volume generated by revolving about the y—axis the site: area bounded bv the curve 3.: = T and the coordinate axes. Use circular disc method. . Find the volume generated by revolving about the y—axis the 31111 area bounded by the curve y = T and the coordinate axes. Use circular ring method. to. The area in the ?rst quadrant bounded by the parabola y2=4ax and the line as =a is revolved about the line x=2. What is the volume of the solid of revolution formed?

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