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Mathematics · 2023 · 1 mark
CBSE 2023 · Region 2 · Set 3 · Q10
Number of symmetric matrices of order 3 × 3 with each entry 1 or -1 is
Number of symmetric matrices of order $\displaystyle 3 \times 3$ with each entry $\displaystyle 1$ or -$\displaystyle 1$ is
Official answer
(B)
$\displaystyle 64$
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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.