Q. 265.0( 1 Vote )

Using integration

Answer :


Given two curves and




Also the intersection points of both the curves are


The area between the two curves can be clearly seen from the graph


i.e





OR



Let






As we know




Using (1) and (2) we get,












= π[-1-1] – 0 + π [π -0]


= π [π – 2]



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