CBSE 2024 · Region 4 · Set 1 · Q5 · 1 mark
Given that $\displaystyle \left[\begin{array}{ll}1 & x\end{array}\right]\left[\begin{array}{cc}4 & 0 \\ -2 & 0\end{array}\right]=0$, the value of $\displaystyle x$ is :
Official answer
From CBSE’s own marking scheme for this paper.
(C)
$\displaystyle 2$
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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.