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Mathematics · 2024 · 1 mark
CBSE 2024 · Region 4 · Set 1 · Q4
If A = [-2, 0, 0; 1, 2, 3; 5, 1, -1], then the value of ∣ A (adj. A) is:
If $\displaystyle \mathrm{A}=\left[\begin{array}{ccc}-2 & 0 & 0 \\ 1 & 2 & 3 \\ 5 & 1 & -1\end{array}\right]$, then the value of $\displaystyle \mid \mathrm{A}$ (adj. A) | is :
Official answer
(D)
$\displaystyle 1000$
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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.