CBSE 2026 · Region 1 · Set 1 · Q3 · 1 mark
Which of the following properties is/are true for two matrices of suitable orders?(i)$\displaystyle (\mathrm{A}+\mathrm{B})^{\prime}=\mathrm{A}^{\prime}+\mathrm{B}^{\prime}$(ii)$\displaystyle (\mathrm{A}-\mathrm{B})^{\prime}=\mathrm{B}^{\prime}-\mathrm{A}^{\prime}$(iii)$\displaystyle (\mathrm{AB})^{\prime}=\mathrm{A}^{\prime} \mathrm{B}^{\prime}$(iv)$\displaystyle (\mathrm{kAB})^{\prime}=\mathrm{kB}^{\prime} \mathrm{A}^{\prime}$ ( k is a scalar)
Which of the following properties is/are true for two matrices of suitable orders?
(i)
$\displaystyle (\mathrm{A}+\mathrm{B})^{\prime}=\mathrm{A}^{\prime}+\mathrm{B}^{\prime}$
(ii)
$\displaystyle (\mathrm{A}-\mathrm{B})^{\prime}=\mathrm{B}^{\prime}-\mathrm{A}^{\prime}$
(iii)
$\displaystyle (\mathrm{AB})^{\prime}=\mathrm{A}^{\prime} \mathrm{B}^{\prime}$
(iv)
$\displaystyle (\mathrm{kAB})^{\prime}=\mathrm{kB}^{\prime} \mathrm{A}^{\prime}$ ( k is a scalar)
Official answer
From CBSE’s own marking scheme for this paper.
(D)
(i) and (iv)
MatricesTranspose of a MatrixUnderstandmcqmedium
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CBSE Class 12 Mathematics past-paper question from the 2026board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.