CBSE 2023 · Region 4 · Set 1 · Q5 · 1 mark
The value of $\displaystyle \left|\begin{array}{ccc}\mathrm{x}+\mathrm{y} & \mathrm{y}+\mathrm{z} & \mathrm{z}+\mathrm{x} \\ \mathrm{z} & \mathrm{x} & \mathrm{y} \\ 1 & 1 & 1\end{array}\right|$ is
Official answer
From CBSE’s own marking scheme for this paper.
(A)
$\displaystyle 0$
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CBSE Class 12 Mathematics past-paper question from the 2023board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.