3. Solve the following systems of equations using Gaussian elimination. (f) 2x, - 3x2- X3 = 2 3x, -5x2 2.x, -1 9x, + 6x2 + 4x3 = 5. (a) Write the LU decomposition for each coefficient matrix A in Ex-...

Kindly solve Q5a for 3f & Q7 for 3f .Need SOLUTION as soon as possible.Need handwritten Solution of what demand with step by step Approach to get A like . Thankyou!!


Extracted text: 3. Solve the following systems of equations using Gaussian elimination. (f) 2x, - 3x2- X3 = 2 3x, -5x2 2.x, -1 9x, + 6x2 + 4x3 = 5. (a) Write the LU decomposition for each coefficient matrix A in Ex- ercise 3. 23. For an arbitary 2-by-2 system of equations ax + by = r cx + dy = s (a) Determine the LU decomposition of the coefficient matrix (b) Verify that L times U equals A.