Fundamentholfundamenthol
JEE Main2019Math
Q.

The total number of matrices

A = \left( {\begin{array}{*{20}{c}} 0{2y}1 \\ {2x}y{ - 1} \\ {2x}{ - y}1 \end{array}} \right),\left( {x,y \in R,x \ne y} \right) for 

Which ATA = 3I3 is :


  1. A

    6

  2. B

    3

  3. C

    4

  4. D

    2

Solution

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