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Mathematics · 2025 · 1 mark
CBSE 2025 · Region 1 · Set 2 · Q13
Let A =[ a_ij ] be a square matrix of order 3 such that a_ij = j -2 i. Then which of the following is true?
Let $\displaystyle \mathrm{A}=\left[\mathrm{a}_{\mathrm{ij}}\right]$ be a square matrix of order $\displaystyle 3$ such that $\displaystyle \mathrm{a}_{\mathrm{ij}}=\hat{\mathrm{j}}-2 \hat{\mathrm{i}}$. Then which of the following is true?
Official answer
(D)
$\displaystyle \mathrm{a}_{23}>\mathrm{a}_{32}$
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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.