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Math Help - sketching circle/sphere - multivariable calculus question

  1. #1
    Junior Member
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    sketching circle/sphere - multivariable calculus question

    hi everyone, i'm having some trouble sketching this function:


    3x^2 + 2y^2 = 1

    my problem is that ive found the x and y intercepts, but can't seem to find how it connects together to make a cylinder...

    i got these as the intercepts, both + and - values:

    x = square root [ (1-2y^2) divided by 3 ]
    y = square root [ (1-3y^2) divided by 2 ]



    thanks!
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  2. #2
    Member arpitagarwal82's Avatar
    Joined
    Feb 2009
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    3x^2 + 2y^2 = 1 is an ellipse on a 2 dimensional plane.
    where as on 3 dimensional plane its a cylinder
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