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    L'Hopital's rule

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    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.

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    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.