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Mathematics · 2023 · 1 mark
CBSE 2023 · Region 1 · Set 3 · Q11
If [x, 2; 3, x -1] is a singular matrix, then the product of all possible values of x is:
If $\displaystyle \left[\begin{array}{cc}\mathrm{x} & 2 \\ 3 & \mathrm{x}-1\end{array}\right]$ is a singular matrix, then the product of all possible values of $\displaystyle \mathrm{x}$ is :
Official answer
(B)
$\displaystyle -6$
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CBSE Class 12 Mathematics past-paper question from the 2023 board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.