Mathematics · Linear Algebra

Let A be a Hermitian matrix, and C and D be unitary matrices. Which one of the following matrices is guaranteed to be unitary?

Verified Solution4 OptionsUpdated: October 2026👁️1 View

1A-1CD
2C-1AD
3C-1DC✓
4C-1AC

Correct answer

C-1DC

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Let A be a Hermitian matrix, and C and D be unitary matrices. Which one of the following matrices is guaranteed to be unitary?

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Let A be a Hermitian matrix, and C and D be unitary matrices. Which one of the following matrices is guaranteed to be unitary?

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