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Vectors in 3D spaces

  1. Nov 19, 2008 #1
    Let P=(–5,7,6) and Q=(–6,–4,2). The set of all points that are equidistant from P and Q has the equation=?
  2. jcsd
  3. Nov 19, 2008 #2


    Staff: Mentor

    What have you tried?

    If you haven't tried anything, you might start with a point (x, y, z) that is one of the set of points equidistant from the two given points. Do you know a formula for distance in 3-D space?
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