Question: *1 Consider the matrix 1 A = -2 -4 2. 0 5 0 (a) Apply Gaussian elimination to reduce A to a unit upper-triangular matrix

*1 Consider the matrix 1 A = -2 -4 2. 0 5 0 (a) Apply Gaussian elimination to reduce A to a unit upper-triangular matrix U. (b) Express U as a product of elementary matrices and A. (c) Compute the lower-triangular matrix L such that A = LU. The

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