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Math Help - About the y-axis?

  1. #1
    Junior Member Selim's Avatar
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    About the y-axis?

    Find volume of the solid formed by revolving the region bounded by y=x^2+1, y=0, x=0, and x=1 about the y-axis
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  2. #2
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    Quote Originally Posted by Selim View Post
    Find volume of the solid formed by revolving the region bounded by y=x^2+1, y=0, x=0, and x=1 about the y-axis
    cylindrical shells ...

    V = 2\pi \int_0^1 x(x^2+1) \, dx
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  3. #3
    Junior Member Selim's Avatar
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    2\pi\int(x)(x^2+1) ?
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