Question

if |z1| = |z2| = |z3|=.....=|zn|=1 . prove that | z1 + z2 + ... + zn| = | 1/z1 + 1/z2 + 1/z3 +.... + 1/zn|.

Answer 1

hey frnd.....
here's your answer see the pic attached.

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