1. Apr 14, 2016 #1

   SamitC

   

   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:

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     InEq.jpg

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   SamitC, Apr 14, 2016
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3. Apr 14, 2016 #2

   BvU

   

   Science Advisor

   Homework Helper

   Gold Member

   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 ?

    

   BvU, Apr 14, 2016
4. Apr 16, 2016 #3

   SamitC

   

   Solved: https://www.physicsforums.com/threads/complex-numbers-moduli-problem.867120/

    

   SamitC, Apr 16, 2016
5. Apr 17, 2016 #4

   BvU

   

   Science Advisor

   Homework Helper

   Gold Member

   Well, you got away betting on two horses there ...

    

   BvU, Apr 17, 2016
6. Apr 20, 2016 #5

   SamitC

   

   Yep...it was very urgent :)

    

   SamitC, Apr 20, 2016

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