Determine whether or not the following matrix is orthogonal. Justify the response.   Q = 1/√6  (√3     1      √2)                    0     -2     √2                   -√3    1    √2

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Q: Suppose that Q is an orthogonal matrix, then O a lQ°| = 4 O b. Q°| = 2 O d. Q°| = 0

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Q: Use A-1 =(1/detA)adj A to compute the in­verse of the coefficient matrix x + y = 1   x-y=2

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A: INTRODUCTION: If a square matrix Q is an orthogonal matrix, then it must have the property QTQ=QQT=I…

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Q: 1 7 0 0 3 2 0 0 1 2 1 0 1 0 0 2 2 A = B = В — 0 0

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Q: Show that if A is a square matrix that satisfies the equation A2 - 2A + I = O, then A-1 = 2I - A.

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Q: Use Cramer's Rule to solve the 3 x 3 matrix A- 3B + 7Z = 13 A +B +Z =1 A- 2B + 3Z = 4

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