CBSE 2024 · Region 5 · Set 1 · Q5 · 1 mark
If $\displaystyle \left[\begin{array}{lll}x & 2 & 0\end{array}\right]\left[\begin{array}{c}5 \\ -1 \\ x\end{array}\right]=\left[\begin{array}{ll}3 & 1\end{array}\right]\left[\begin{array}{c}-2 \\ x\end{array}\right]$, then value of $\displaystyle x$ is :
Official answer
From CBSE’s own marking scheme for this paper.
(A)
$\displaystyle -1$
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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.