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This may seem trivial, but for some reason I am having trouble with it. For a and b in the complex plane, I am trying to prove the following:
|a|^2+|b|^2 >= |(a+b)/2|^2
I need this for part of a larger proof.
|a|^2+|b|^2 >= |(a+b)/2|^2
I need this for part of a larger proof.