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

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Can you please help me solve part A, and B from question 11.6.2?  

11.7. Diagonalization of real symmetric matrices 437
Exercise 11.6.2 Which of the following matrices define orthogonal transformations? Which ones define
isometries?
-2
(^-[6_-;) -([-+; }}) <= [(1 7]4[1]
A =
[1]
√
=
2
2
2
2
Transcribed Image Text:11.7. Diagonalization of real symmetric matrices 437 Exercise 11.6.2 Which of the following matrices define orthogonal transformations? Which ones define isometries? -2 (^-[6_-;) -([-+; }}) <= [(1 7]4[1] A = [1] √ = 2 2 2 2
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