Explain, in your own words, how the method of cylindrical shells is significantly different from the disk and washer met

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Explain, in your own words, how the method ofcylindrical shells is significantly different from thedisk and washer methods for finding volumes by rotation. How do youdetermine which method is the most appropriate for finding volumesunder a given circumstance? Justify your answers with a thoroughexplanation of the mathematical concepts involved.