CBSE 2024 · Region 1 · Set 1 · Q12 · 1 mark
$\displaystyle \left|\begin{array}{cc}\mathrm{x}+1 & \mathrm{x}-1 \\ \mathrm{x}^{2}+\mathrm{x}+1 & \mathrm{x}^{2}-\mathrm{x}+1\end{array}\right|$ is equal to :
Official answer
From CBSE’s own marking scheme for this paper.
(B)
$\displaystyle 2$
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CBSE Class 12 Mathematics past-paper question from the 2024board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.