If and are nine, ninth roots of unity (taken in counter-…

Maths Complex Number The Modulus and the Conjugate of a Complex Number Single Correct MCQ

Published by: CGP EDU Academic Team

Published on: August 14, 2026

If and are nine, ninth roots of unity (taken in counter-clockwise sequence) then is equal to

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The correct answer is:

According to the question,

Since and are conjugate to each other, and are also conjugates to each other.

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