MathDB
Complex Number

Source: 1997 National High School Mathematics League, Exam One, Problem 9

March 4, 2020
complex numbers

Problem Statement

zz is a complex number that ∣2z+1z∣=1\left|2z+\frac{1}{z}\right|=1, then the range value of arg⁡(z)\arg(z) is________.
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