For what values of x, the matrix \left(\begin{array}{ccc}3−x & 2 & 2 \ 2 & 4 + x & 1 \ −2 & −4 & −1 + x \ )\end{array} is singular?

AAI ATC Junior Executive 27 Jul 2022 Shift 2 Paper

Question : 98 of 120

Marks: +1, -0

For what values of x, the matrix

{(\table 3−x , 2 , 2 ; 2 , 4 + x , 1 ; −2 , −4 , −1 + x ; )}

is singular?

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