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MATH / Let S be the set of complex numbers of the form a+bi, where a and b are integers. We say that z∈S is a unit if there exists a w∈S such that zw=1. Find the number of units in S. · Discussion

Discussing Let S be the set of complex numbers of the form a+bi, where a and b are integers. We say that z∈S is a unit if there exists a w∈S such that zw=1. Find the number of units in S. · MATH

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