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Right triangle with complex vertices

  1. Sep 12, 2012 #1
    1. The problem statement, all variables and given/known data
    Find the geometric image of the complex number z, if [tex]z, z^2, z^3[/tex] are the vertices of a right triangle.


    2. Relevant equations



    3. The attempt at a solution

    I tried expanding [itex]z^2, z^3[/itex], and than using both the pythagoras theorem, and vectors (in separate attempts), but failed to get at a solution.

    All help is very appreciated :)
     
  2. jcsd
  3. Sep 12, 2012 #2

    Simon Bridge

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    These are the vertices of a right triangle in the complex plain right?
    So this is basically a vector addition/subtraction problem.
    Each side is the difference between two position vectors.

    Figure out which is the hypotenuse and then you need only set the angle between the other two sides to [itex]\pi/2[/itex].
     
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