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anonymous

  • 5 years ago

A solid generated when region in the first quadrant is enclosed by curves y=2x^2 and y^2=4x is revolved around the x-axis. What is the volume? A. Pi/5 B. 2Pi/5 C. 8Pi/5 D. 6Pi/5

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  1. anonymous
    • 5 years ago
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    What type of math are you taking?

  2. anonymous
    • 5 years ago
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    calculus

  3. anonymous
    • 5 years ago
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    Im assuming your doing multi variable right?

  4. anonymous
    • 5 years ago
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    First draw the projection of y=2x^2 and y^2=4x

  5. anonymous
    • 5 years ago
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    I already have the area between these two. I just completely forgot how to rotate :P

  6. anonymous
    • 5 years ago
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    Well whatever the shape it is you want to reperamatize it according to what the shape resembles.

  7. anonymous
    • 5 years ago
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    Does it look like a cone or a sphere then use spherical coordinate or does it look like a cylinder then use cylindrical coordinates

  8. anonymous
    • 5 years ago
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    After you find it then you have to find the normal vector use double integrals to solve for the normal vector with the appropriate boundaries.

  9. anonymous
    • 5 years ago
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    can you explain it without multivar?

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spraguer (Moderator)
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