Can you solve this HARD math PhD complex number problem?

Published: 28 April 2022
on channel: Dr Peyam
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Can you solve this HARD complex number PhD problem? Suppose a complex number z satisfies z^n + (1-iz)^n = 0, then what is the imaginary part of z? This problem is from a complex analysis qualifying exam question given to entering PhD students at UC Irvine, and was suggested to me by a current postdoc at my university. It sounds very complicated but can be solved using first year complex analysis student techniques. It involves modulus of complex numbers, but not arguments or logarithms or cauchy's integral formula, as I originally thought.

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