CBSE 2023 · Region 4 · Set 1 · Q4 · 1 mark
If a matrix $\displaystyle \mathrm{A}=\left[\begin{array}{lll}1 & 2 & 3\end{array}\right]$, then the matrix $\displaystyle \mathrm{AA}^{\prime}$ (where $\displaystyle \mathrm{A}^{\prime}$ is the transpose of A ) is :
Official answer
From CBSE’s own marking scheme for this paper.
(D)
$\displaystyle [14]$
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CBSE Class 12 Mathematics past-paper question from the 2023board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.