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Matrices and Determinants question

2022 · 29 Jul · Shift 2 · Q24

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JEE Main
Mathematics
Matrices and Determinants
2022 · 29 Jul · Shift 2 · Q24

Matrices and Determinants question

2022 · 29 Jul · Shift 2 · Q24

JEE MainMathematicsMatrices and DeterminantsMCQ+4 / −1

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 ?

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
$\left[\begin{array}{rr}-1 & 2 \\ -2 & 7\end{array}\right]$
D
$\left[\begin{array}{ll}-1 & 2 \\ -1 & 3\end{array}\right]$

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