The volume of the solid obtained by rotating the region enclosed by
?=?4?+1,?=0,?=0,?=1y=e4x+1,y=0,x=0,x=1
about the x-axis can be computed using the method of disks or washers via an integral
?=∫??V=∫ab ? dx dy
with limits of integration ?=a= and
?=b= .
The volume is ?=V= cubic units.
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