Which of the following matrices can $NOT$ be obtained from the matrix $\left[\begin{array}{cc}-1 & 2 \\ 1 & -1\end{array}\right]$ by a single elementary row operation?
Which of the following matrices can $NOT$ be obtained from the matrix $\left[\begin{array}{cc}-1 & 2 \\ 1 & -1\end{array}\right]$ by a single elementary row operation?
- [JEE MAIN 2022]
- A
$\left[\begin{array}{cc}0 & 1 \\ 1 & -1\end{array}\right]$
- B
$\left[\begin{array}{cc}1 & -1 \\ -1 & 2\end{array}\right]$
- C
$\left[\begin{array}{ll}-1 & 2 \\ -2 & 7\end{array}\right]$
- D
$\left[\begin{array}{ll}-1 & 2 \\ -1 & 3\end{array}\right]$
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- [JEE MAIN 2021]
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