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Math Help - multivariable calc question

  1. #1
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    Cool multivariable calc question

    Describe the given set with a single equation or with a pair of equations:

    The set of points in space that lie 2 units from the point (0,0,1) and, at the same time, 2 units from the point (0,0,-1).



    I got the circle x^2 +y^2=3, z=0
    is this correct?
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  2. #2
    Member eXist's Avatar
    Joined
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    I agree 100% !

    It would be a circle in R^2 with radius \sqrt{3}

    which is what u have.
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