If is a non-real fourth root of unity, then the value of …

Maths Complex Number All Topic Question for Revision Test Single Correct MCQ

Published by: CGP EDU Academic Team

Published on: August 13, 2026

If is a non-real fourth root of unity, then the value of is

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The correct answer is:

We know that fourth roots of unity are . Clearly, non-real fourth roots of unity are .
Now,

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