# L'Hopital's rule

Please show or explain step by step process. Please use proper notation.

Volume: Find the volume of the solid generated by revolving the region bounded by the graph y=xe^(-x), y=0 and x=0 about the x-axis.

https://brainmass.com/math/derivatives/lhopitals-rule-improper-integrals-23008

#### Solution Preview

radius of the curve at x,

r(x) = xe^(-x)

Therefore, volume of strip ...

#### Solution Summary

This shows how to find a solid of revolution. The expert examines L'Hopital's rule and improper integrals.

$2.19