Principal root of unity

ID: principal-root-of-unity

The principal root of unity specifically refers to the complex numbers that satisfy the equation \( z^n = 1 \) for a positive integer \( n \). These roots have the form: \[ z_k = e^{2\pi i k / n} \] for \( k = 0, 1, 2, \ldots, n-1 \).

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