Let R be the region in the first quadrant enclosed by the lines #x=ln 3# and #y=1# and the graph of #y=e^(x/2)#, how do you find the volume of the solid generated when R is revolved about the line y=-1?
1 Answer
Jul 7, 2016
Explanation:
Easiest is to revolve
So the volume of the small strip width dx when
Then deducting the cylinder (shaded green) which has volume