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Question: linear algebra please answer question 28 thank you...

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Linear Algebra please answer question 28. Thank you!

27, Prove that if A has real entries, then A* - A 28. Prove that if A has complex entries, then (A) (A) This shows that the order of conjugation and transposition in A* does not matter. Exercises 29-32: Assume that A and B are matrices with com- plex entries and that c is a complex scalar. 29. Prove that (A*)*A. 30. Prove that (A + B)* A* B
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