Question

which of the following are correct statements concerning the roots of unity? check all that apply.
a. the number of $n$th roots of unity is $n$.
b. -1 is always the $n$th root of unity.
c. 1 is always the $n$th root of unity.
d. $n$th roots of unity are evenly spaced on the unit circle.

Explanation:

Answer:

A. The number of $n$th roots of unity is $n$.
C. 1 is always the $n$th root of unity.
D. $n$th roots of unity are evenly spaced on the unit circle.