Calculus

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! :)

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  1. The differential volume is from y=ln1 to y=ln3 from x=1 to 3

    dv= 2PI y dx= 2PI ln x dx

    V= INT 2PI ln x dx from x=1 to 3

    V= 2PI (xlnx -x) from ...

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    bobpursley

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