Consider the matrix 3 0 0 M-() -3 4 9 0 0 3 = Find an invertible matrix U and a diagonal matrix D such that D = U-¹MU. Check directly that the equation M = UDU ¹ holds.

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Q: Suppose that Q is an orthogonal matrix, then OaQ-8 ObQ-2 d 1Q-0

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A: Step 1:   Step 2: Step 3: Step 4:

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