Select one or more: a. (ABC) = CtBtAt b. If matrices A and B commute then they share eigenvectors. c. Real matrices that are square will always commute. O d. (AB)-¹ = B-¹A-¹ O e. Of. |AB| = |A||B| If an Hermitian matrix has degenerate eigenvalues then we cannot find orthogonal eigenvectors corresponding to these eigenvalues.

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A: As per our guideline, we are supposed to solve only first question. Kindly repost other question as…

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Q: snip

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A: As your question contains multiple subpart, so I only first 3 subparts.

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A: See solution below.

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