Thread: area between this curve

y=e^(-2x) and x+y= 2

find the volume when rotated over line y=4

how do you do this?

Originally Posted by akilele

y=e^(-2x) and x+y= 2

find the volume when rotated over line y=4

how do you do this?

you'll need to use a calculator to find the x-values of intersection of the two graphs.

let the x-values of the intersection points be and

use the method of washers ...