3. Let a be a primitive 10th root of unity. Which of the following is false? A. a5 = 1 B. a³ = a¹3 C. 1+a+a²+...+⁹ = 0 D. α-³=a7

Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
ChapterP: Preliminary Concepts
SectionP.CT: Test
Problem 1CT
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3. Let a be a primitive 10th root of unity. Which of the following is false?
A. a5 = 1
B. a³ = a¹3
C. 1+a+a²+...+ a² = 0
D. a 3a7
Transcribed Image Text:3. Let a be a primitive 10th root of unity. Which of the following is false? A. a5 = 1 B. a³ = a¹3 C. 1+a+a²+...+ a² = 0 D. a 3a7
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