SOLUTION: let Z a complex number, if |Z|=1 then Re(1/(1-Z)) is.....

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Question 1153111: let Z a complex number, if |Z|=1 then Re(1/(1-Z)) is.....
Answer by ikleyn(52781) About Me  (Show Source):
You can put this solution on YOUR website!
.

 . . . Then Re%281%2F%281-Z%29%29 is a real number (provided that Z =/= 1).