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1 -2 Consider the matrix A = 3 -2 -5 -1 9. (a) Is A invertible? Why or why not? If A is invertible,
1 -2 Consider the matrix A = 3 -2 -5 -1 9. (a) Is A invertible? Why or why not? If A is invertible, find the inverse A-l of A. (b) Find the LU factorization of A. (c) Let B and C be two 3 x 2 matrices. If AB = AC, can we deduce that B = C? Why or why %3D nor?
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Linear Algebra A Modern Introduction
Authors: David Poole
4th edition
1285463242, 978-1285982830, 1285982835, 978-1285463247
