3. Coding Matrix Operations (Coding Problem)(20 pts) Given the matrices: 5 6 7 5 -1 8 -4-1 0-3 -3 9 10 -46 9 5-5 -84 2 (a) Perform the PLU decomposition of matrix A (b) Get B-1 using Gauss-Jordan method (c) Provide the solution of the system Ab using the the PLU decomposition and the Gauss-Jordan method. 3. Coding Matrix Operations (Coding Problem)(20 pts) Given the matrices: 5 6 7 5 -1 8 -4-1 0-3 -3 9 10 -46 9 5-5 -84 2 (a) Perform the PLU decomposition of matrix A (b) Get B-1 using Gauss-Jordan method (c) Provide the solution of the system Ab using the the PLU decomposition and the Gauss-Jordan method