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Mathematics · 2023 · 1 mark
CBSE 2023 · Region 5 · Set 3 · Q2
If A = [5, x; y, 0] and A = A^T, where A^T is the transpose of the matrix A, then
If $\displaystyle \mathrm{A}=\left[\begin{array}{ll}5 & x \\ \mathrm{y} & 0\end{array}\right]$ and $\displaystyle \mathrm{A}=\mathrm{A}^{\mathrm{T}}$, where $\displaystyle \mathrm{A}^{\mathrm{T}}$ is the transpose of the matrix A , then
Official answer
(B)
$\displaystyle x=\mathrm{y}$
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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.