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Find the LU factorization of the matrix A. Question 5 (10 Marks) Considering the matrix 1-2 1 3 2 -7 5-3 1-2 2 8

Find the LU factorization of the matrix A. Question 5 (10 Marks) Considering the matrix 1-2 1 3 2 -7 5-3 1-2 2 8 3 3 1 1 2 3 4 A = 3 4 7 10 12 1 5 7 (a) Determine the row rank(A) and column rank(A). (b) is the matrix A of full rank?

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