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Mathematics · 2023 · 1 mark
CBSE 2023 · Region 1 · Set 1 · Q3
Let A be a 3 × 3 matrix such that | adj A |=64. Then | A | is equal to:
Let A be a $\displaystyle 3 \times 3$ matrix such that $\displaystyle |\operatorname{adj} \mathrm{A}|=64$. Then $\displaystyle |\mathrm{A}|$ is equal to :
Official answer
(D)
$\displaystyle 8$ or -$\displaystyle 8$
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CBSE Class 12 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.