Thread: Calc2...Finding the volume

This is what I have done:
1) The end points are 8 and 3.
2) then I am taking the integral of y = -x^2+11x-24 and then multiplying by 2pi.
the final comes 125pi/3..which is wrong.

Any help

thanks

use the method of disks ...



where is the radius of a representative disk formed by rotating the curve ... in this case, , , and .

thanks