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Mathematics · 2025 · 1 mark
CBSE 2025 · Region 6 · Set 1 · Q2
If A = [-1, 0, 0; 0, 3, 0; 0, 0, 5], then A is a/an:
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
(C)
symmetric matrix
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CBSE Class 12 Mathematics past-paper question from the 2025 board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.