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Mathematics · 2024 · 1 mark
CBSE 2024 · Region 1 · Set 1 · Q18
If A and B are two non-zero square matrices of same order such that (A+B)^2=A^2+B^2, then:
If A and B are two non-zero square matrices of same order such that $\displaystyle (A+B)^{2}=A^{2}+B^{2}$, then :
Official answer
(B)
$\displaystyle \mathrm{AB}=-\mathrm{BA}$
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CBSE Class 12 Mathematics past-paper question from the 2024 board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.