ENG1005 MUM S1 2026 Week 2 Competency Hurdle (Total mark for all 12 weeks of competency hurdle quiz is 5%)

The system of linear equations \[\begin{eqnarray}v + 2w + 3x + y + z &=& 1 \\-2v -4w +6x + 2y + 2z &=& 2 \\3v + 6w -3x - y - z &=& 1\end{eqnarray}\] has row echelon form \[\left[\begin{array}{rrrrr|r}...