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Question: How to expand an equation with complex terms

Question:How to expand an equation with complex terms

lemelinm 1450 Maple 2017
expand abs property
September 30 2017
0

Hello everyone,

I need to expand this:

>abs(u+v)^2+abs(u-v)^2

so I have as a final expressioin

>|u|^2+|v|^2=1

This is the property that has to be true so the probability is one.

>assume(u::complex, v::complex);  does not work and the simple commande

>expand() neither.  Any idea?
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