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Mathematics · 2023 · 1 mark
CBSE 2023 · Region 2 · Set 1 · Q2
If [2, 0; 5, 4] = P + Q, where P is a symmetric and Q is a skew symmetric matrix, then Q is equal to
If $\displaystyle \left[\begin{array}{ll}2 & 0 \\ 5 & 4\end{array}\right]=\mathrm{P}+\mathrm{Q}$, where P is a symmetric and Q is a skew symmetric matrix, then Q is equal to
Official answer
(B)
$\displaystyle \left[\begin{array}{cc}0 & -5 / 2 \\ 5 / 2 & 0\end{array}\right]$
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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.