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Mathematics · 2024 · 1 mark
CBSE 2024 · Region 4 · Set 1 · Q5
Given that [1, x] [4, 0; -2, 0] =0, the value of x is:
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
(C)
$\displaystyle 2$
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CBSE Class 12 Mathematics past-paper question from the 2024 board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.