Question: 2. (a) Show that A= (b) Compute A-. 2 -2 2 1 2 -2 is an orthogonal matrix.

2. (a) Show that A= (b) Compute A-. 2 -2 2 1

2. (a) Show that A= (b) Compute A-. 2 -2 2 1 2 -2 is an orthogonal matrix.

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