🛠️ JEE➗ Maths

Which one of the following matrices can be obtained by performing elementary row transformations on the \(3 \times 3\) i…

Q1

Which one of the following matrices can be obtained by performing elementary row transformations on the \(3 \times 3\) identity matrix ?

[JEE Advanced 2026]

a

\(\left[\begin{matrix}1 & 1 & 1 \\ 1 & 1 & 1 \\ 1 & 1 & 1\end{matrix}\right]\)

b

\(\left[\begin{matrix}1 & 1 & 1 \\ 2 & 3 & 4 \\ 1 & 2 & 1\end{matrix}\right]\)

c

\(\left[\begin{matrix}1 & 1 & 1 \\ 2 & 3 & 4 \\ 2 & 5 & 8\end{matrix}\right]\)

d

\(\left[\begin{matrix}1 & 1 & 1 \\ −1 & 1 & 2 \\ 0 & 2 & 3\end{matrix}\right]\)

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