7 20 -10 Let A = 20 7 10 Find an orthogonal matrix P with rational entries and a diagonal matrix D -10 10 22 such that DPTAP.

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A: hey I have attached the solution below please rate helfull and rase clarification request if…

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Q: 00 0 0-1 0 00 00 020 03 9. 00 0 0 0 0 0 0 4 0 000 0 0 0 0 0 0 5

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A: DETAILED SOLUTION IS PROVIDED BELOWExplanation:

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A: (c) 1 + 0i(d) -1 + 0iExplanation:

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A: Differentiation under integral sign

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A: We show that it converges conditionally..........

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A: a) DTb) Upper triangular matrix.Explanation:

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A: See solution in image Explanation:

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A: Answer Explanation:Step 1: Step 2: Step 3: Step 4:

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Q: Find x and y so that both A and B matrices below are not invertible: + 3y - 4 A = [ 2x + 33 0 7 ,9],…

A: c

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A: We have to find  and  for the given matrices.

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A: a.) For ∂x∂z​: ∂x∂z​=xy+yz−11​ b.) For ∂y∂z​: ∂y∂z​=1−xy−yzz(x+z)​Explanation:The given equation…