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Applied Mathematics · 2023 · 1 mark
CBSE 2023 · Central · Set 4 · Q8
If |2, 3, 2; x, x, x; 4, 9, 1| +3=0, then the value of x is:
If $\displaystyle \left|\begin{array}{ccc}2 & 3 & 2 \\ \mathrm{x} & \mathrm{x} & \mathrm{x} \\ 4 & 9 & 1\end{array}\right|+3=0$, then the value of x is:
Official answer
(A)
$\displaystyle -1$
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CBSE Class 12 Applied Mathematics past-paper question from the 2023 board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.