vector corresponds linear system t 342 72 32 5x1 t azz 13 b
vector corresponds
Solution
(a)
Ax = b
augmented matrix
Your matrix
Find the pivot in the 1st column and swap the 2nd and the 1st rows
Eliminate the 1st column
Find the pivot in the 2nd column in the 2nd row
Eliminate the 2nd column
Find the pivot in the 3rd column in the 3rd row
Eliminate the 3rd column
Solution set:
x1 = -12
x2 = -10
x3 = -3
| X1 | X2 | X3 | b | |
|---|---|---|---|---|
| 1 | -2 | 5 | -10 | 4 |
| 2 | 1 | -2 | 3 | -1 |
| 3 | 7 | -17 | 34 | -16 |
