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Mathematics · 2025 · 1 mark
CBSE 2025 · Region 1 · Set 1 · Q15
If A and B are invertible matrices, then which of the following is not correct?
If $\displaystyle A$ and $\displaystyle B$ are invertible matrices, then which of the following is not correct?
Official answer
(A)
$\displaystyle (A+B)^{-1}=B^{-1}+A^{-1}$
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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.