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Matrices and Determinants question

2019 · 9 Apr · Shift 2 · Q36

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JEE Main
Mathematics
Matrices and Determinants
2019 · 9 Apr · Shift 2 · Q36

Matrices and Determinants question

2019 · 9 Apr · Shift 2 · Q36

JEE MainMathematicsMatrices and DeterminantsMCQ+4 / −1

The total number of matrices

A = \left( {\begin{matrix} 0 & {2y} & 1 \\ {2x} & y & { - 1} \\ {2x} & { - y} & 1 \\ \end{matrix} } \right)

(x, y

\in

R,x

e

y) for which ATA = 3I3 is :-

A
3
B
4
C
2
D
6

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