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Mathematics · 2025 · 1 mark
CBSE 2025 · Region 5 · Set 2 · Q3
If A and B are two square matrices of the same order, then ( A + B )( A - B ) is equal to:
If A and B are two square matrices of the same order, then $\displaystyle (\mathrm{A}+\mathrm{B})(\mathrm{A}-\mathrm{B})$ is equal to :
Official answer
(A)
$\displaystyle \mathrm{A}^{2}-\mathrm{AB}+\mathrm{BA}-\mathrm{B}^{2}$
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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.