Answer the question.If n is an even number, then which of the following statements is true?
A. The equation xn - 1 = 0 has an odd number of nonreal roots.
B. The equation xn - 1 = 0 has n - 1 roots.
C. The equation xn - 1 = 0 has exactly two real roots.
D. The equation xn - 1 = 0 has an odd number of real roots.
Answer: C
Mathematics
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