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CBSE 2025 · Region 1 · Set 2 · Q13 · 1 mark

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?

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