Given the augmented matrix \[ A=\left[\begin{array}{rrr|r} 1 & 3 & -2 & -1 \\ 3 & 10 & -6 & 2 \\ -3 & -11 & 3 & -1 \end{array}\right] \] perform each row operation in the order specified and enter the final result. First:R2−4R1→R2 Second:R3+3R1→R3. Third:R3+3R2→R3
