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Find ?

  1. Feb 13, 2010 #1
    ((x+1)^2+y^2)^0.5 + ((x-1)^2+y^2)^0.5=7
  2. jcsd
  3. Feb 14, 2010 #2


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    Hi haya! :smile:

    (try using the X2 tag just above the Reply box :wink:)
    This is a well-known geometrical figure.

    To find out which, just translate the equation into ordinary English. :smile:
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