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Intigration (volume of solids rotating about and axis)

  1. Sep 16, 2008 #1
    the solid lies between planes perpendicular to the x-axis at x=1 and x=-1 the cross-sections perpendicular to the x-axis are

    A) circles whose diameters stretch from the curve y = -1/squrt(1+x^2) to the curve y = 1/squrt(1+x^2)

    B)vertical squares whose base edges run from the curve y = -1/squrt(1+x^2) to the curve y = 1/squrt(1+x^2)
     
  2. jcsd
  3. Sep 17, 2008 #2

    tiny-tim

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    Welcome to PF!

    Hi jkw0002! Welcome to PF! :smile:

    Show us what you've tried, and where you're stuck, and then we'll know how to help. :smile:
     
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