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Mathematics · 2025 · 1 mark
CBSE 2025 · Region 5 · Set 1 · Q3
If A = [1, 2, 3; -4, 3, 7] and B = [4, 3; -1, 2; 0, 5], then the correct statement is:
If $\displaystyle \mathrm{A}=\left[\begin{array}{rrr}1 & 2 & 3 \\ -4 & 3 & 7\end{array}\right]$ and $\displaystyle \mathrm{B}=\left[\begin{array}{rr}4 & 3 \\ -1 & 2 \\ 0 & 5\end{array}\right]$, then the correct statement is :
Official answer
(C)
AB and BA , both are defined.
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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.