Finding volume find the volume a the solid generated by: revolving the region in the first quadrant bounded by the coordinate axes the curve y=e^(-x) and the line x=1.
About the line x=1
This is just
∫[0,1] e^-x dx = 1 - 1/e
About the line x=1
∫[0,1] e^-x dx = 1 - 1/e