Question: Consider the following matrices. Find the permutation matrix P so that PA can be factored into the product LU, where L is lower triangular with

Consider the following matrices. Find the permutation matrix P so that PA can be factored into the product LU, where L is lower triangular with 1s on its diagonal and U is upper triangular for these matrices.
a.

101 241 12 0 0 11 A= 1-2-1 1 0343 1422 1122 2-30 1112 0011

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