Question:medium

Which of the following cannot be an eigen value for an unitary matrix?

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The eigenvalues of unitary matrices lie on the unit circle in the complex plane.
Always compute \(a^2 + b^2\) to rapidly check if the modulus equals 1.

Updated On: Jun 23, 2026

\(\frac{1}{2} + \frac{\sqrt{3}}{2}i\)
\(i\)
\(-i\)
\(\frac{1}{2} + \frac{\sqrt{5}}{2}i\)

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The Correct Option is D

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