Calculus

posted by Pan

Find the volume of the solid generated by revolving the region bounded by the graphs of the equations about the x-axis.

y=ln x, y=0, x=1, x=3

Please show the steps in your work, thanks! :)

  1. drwls

    Each slab of width dx of the resulting solid is a circular disc with volume
    pi (ln x)^2 dx

    Integrate that function from x=1 to x=3.

    You do the steps. We'll be glad to critique your work.

  2. drwls

    This may help you doing the integration:
    http://www.karakas-online.de/forum/viewtopic.php?t=4026

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