Let z1 and z2 be nth roots of unity which subtend a right angle at the – InterviewSolution

1.	Let z1 and z2 be nth roots of unity which subtend a right angle at the origin, then n must be of the form
Answer» Let $z_{1}$ and $z_{2}$ be $n$ th roots of unity which subtend a right angle at the origin, then $n$ must be of the form

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