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Find the Quadric Equation

  1. Nov 18, 2013 #1

    VU2

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    1. Find the equation of the quadric equation that is the set of all points hose sum of their distances from the two points (2,0,0) and (-2,0,0) is 6.

    2.I was wondering if rad[(x-2)^2+(y^2)+(z^2)]+rad[(x+2)^2+(y^2)+(z^2)=6 is the equation of the quadric equation?



    -vu2
     
  2. jcsd
  3. Nov 18, 2013 #2
    Hi VU2...

    That is correct .But you may simplify it further .
     
  4. Nov 18, 2013 #3

    VU2

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    Thanks Tanya Sharma for clarifying.
     
  5. Nov 18, 2013 #4

    HallsofIvy

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    Staff Emeritus
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    Also you are using the wrong word. In English, a "quadric" equation is one that involves a fourth degree of the variable. What you have is a "quadratic" equation.
     
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