1.Which matrix CANNOT be obtained from [−121−1]\begin{bmatrix}-1&2\\1&-1\end{bmatrix}[−112−1] by a single elementary row operation?a.[011−1]\begin{bmatrix}0&1\\1&-1\end{bmatrix}[011−1]b.[1−1−12]\begin{bmatrix}1&-1\\-1&2\end{bmatrix}[1−1−12]c.[−12−27]\begin{bmatrix}-1&2\\-2&7\end{bmatrix}[−1−227]d.[−12−13]\begin{bmatrix}-1&2\\-1&3\end{bmatrix}[−1−123]Login to continueOnly logged in users canattempt or see the solution.
