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Parametrizing a circle

  1. May 7, 2009 #1
    1. The problem statement, all variables and given/known data

    trying to parametrize |z - 2 + i | = 3

    2. Relevant equations

    |z - z_o| = r

    3. The attempt at a solution

    z(t) = 2 + i + 3e^(it)

    im not sure if 2 + i is correct, or 2 - i.
     
  2. jcsd
  3. May 7, 2009 #2

    Mark44

    Staff: Mentor

    z - 2 + i = z - (2 - i), so the center is at 2 - i.
    With that change, I think you have what you need.
     
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