11.7. Diagonalization of real symmetric matrices 437 Exercise 11.6.2 Which of the following matrices define orthogonal transformations? Which ones define isometries? 1 1-2 (^ = [1 _i] = [ - ]·.) c = [17]. A -6-9----740) C -1 -1 √5 2 B D 14 1 22 2 2 -1

Q: Question 5 > 2 Solve æ? + 13x + 36 = 0 X = x = {

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A: See the detailed solution below.

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Q: and question 8 thank you soo much.

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Q: Question 2: What are the correct answers ?

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