CBSE 2025 · Region 6 · Set 1 · Q2 · 1 mark
If $\displaystyle \mathrm{A}=\left[\begin{array}{rrr}-1 & 0 & 0 \\ 0 & 3 & 0 \\ 0 & 0 & 5\end{array}\right]$, then A is a/an :
Official answer
From CBSE’s own marking scheme for this paper.
(C)
symmetric matrix
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CBSE Class 12 Mathematics past-paper question from the 2025board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.