Which of the following matrices can NOT be obtained from the matrix [\table -1 , 2 ; 1 , -1] by a single elementary row operation? [29-Jul-2022-Shift-2]

Correct Answer is : [−12−27]

JEE Mains 29-July-2022 Shift 2 Solved Paper

Section: Mathematics

Question : 2 of 90

Marks: +1, -0

Which of the following matrices can NOT be obtained from the matrix [

−1	2
1	−1

] by a single elementary row operation?

[29-Jul-2022-Shift-2]

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−1	2
−2	7