How do you find the volume of the solid generated by revolving the region bounded by #y= 2x-1# #y= sqrt(x)# and #x=0# and revolve about the y-axis?
1 Answer
Apr 27, 2015
To avoid doing 2 integral (which the disc method would require), I would use cylindrical shells.
A representative slice parallel to the
Revolving around the
That's a straightforward integral to evaluate and finish the problem.
You should get
Alternative:
You could use discs (washers), but you'l have to
difference between the lines