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3D coordinate system

  1. Feb 4, 2008 #1
    1. The problem statement, all variables and given/known data

    Describe in words the region of R^3 represented by the equation or inequality.

    2. Relevant equations


    3. The attempt at a solution

    I'm not really sure how to look at the equation. I would think its just the point (0,0,0). Can someone explain if this is wrong.
  2. jcsd
  3. Feb 4, 2008 #2


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    Um, (1,0,0) also satisfies the equation. Describe the other points that do.
  4. Feb 4, 2008 #3


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    Surely you know "if AB= 0 then either A= 0 or B= 0 or both".
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