CBSE 2024 · Region 5 · Set 2 · Q2 · 1 mark
If A is a square matrix of order $\displaystyle 2$ and $\displaystyle |\mathrm{A}|=-2$, then value of $\displaystyle \left|5 \mathrm{~A}^{\prime}\right|$ is :
Official answer
From CBSE’s own marking scheme for this paper.
(A)
$\displaystyle -50$
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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.