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. Consider the linear system Ar = b where 3 3 9 6 21 4 4 4 4 24 A = b = (3) 1

. Consider the linear system Ar = b where 3 3 9 6 21 4 4 4 4 24 A = b = (3) 1 1 5 5 10 2 2 4 6 16 (a) Compute the PA = LU factorization of A. Use exact arithmetic. Show all intermediate calcu- latio...

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