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Homework Help: Complex Numbers Moduli Problem

  1. Apr 14, 2016 #1
    1. The problem statement, all variables and given/known data
    I am not able to understand an example from Brown-Churchill book. I have provided the screenshot in the attached picture. Request help.

    2. Relevant equations
    No

    3. The attempt at a solution
    No
     

    Attached Files:

  2. jcsd
  3. Apr 14, 2016 #2

    BvU

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    Let me guess: the triangle thing has something like ## |\vec a+\vec b|\le |\vec a|+|\vec b| ## ?
    And how does that tranlate to complexe numbers ?
     
  4. Apr 16, 2016 #3
  5. Apr 17, 2016 #4

    BvU

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    Well, you got away betting on two horses there ... :smile:
     
  6. Apr 20, 2016 #5
    Yep...it was very urgent :)
     
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