alleryFind n-th roots of unity. For z = 1: how many distinct nth roots in complex plane?
AInfinite
Bn²
C1
Dn
Answer & Solution
Correct answer: D. n
n-th roots of unity: zk = e^(2πik/n) for k = 0, 1, ..., n-1. Exactly n distinct roots evenly spaced on the unit circle in the complex plane.
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