How to find the solid generated by revolving a loop of the curveabout the initial line.
Here I used the fact that the volume
But I couldn't get the answer. The answer should be
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How to find the solid generated by revolving a loop of the curve
Here I used the fact that the volume
But I couldn't get the answer. The answer should be
Did you try the Theorem of Pappus?. That may be a good choice here.
Find the area of the region multiplied by the distance traveled by the centroid, then multiply by 2Pi