Published by:
CGP EDU Academic Team
Published on: August 14, 2026
Let z 1 and z 2 be the n th roots of unity which are ends of a line segment that subtend a right angle at the origin. Then n must be of the form
Text Solution
Verified by ExpertsThe correct answer is:
D
Let, 
and, 
Then, 
(Given)
integer, so n is of the form 4k.
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