Question
3. Write the matrix in row-echelon form: 1 2 -1 3 3 7 -5 14 -2...
3. Write the matrix in row-echelon form:
| 1 | 2 | -1 | 3 |
| 3 | 7 | -5 | 14 |
| -2 | -1 | -3 | 8 |
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