as before, but with washers
v = ∫[0,2] π(R^2-r^2) dx
where R=6 and r=y+2=.25x^4+2
Set up the simplified integral and compute the volume created when the area bounded by y=.25x4, y=4, and the y=axis (Quadrant 1) is rotated around the line x=-2
1 answer