apowers6957 apowers6957 29-01-2024 Mathematics contestada "Given the matrix A=(123456781−1232112)⎛⎝⎜⎜⎜151226−1137214832⎞⎠⎟⎟⎟, write it in the L4×4U4×4L4×4U4×4, where L is the lower triangular matrix and U is the upper triangular matrix.