CBSE 2025 · Region 1 · Set 1 · Q15 · 1 mark
If $\displaystyle A$ and $\displaystyle B$ are invertible matrices, then which of the following is not correct?
Official answer
From CBSE’s own marking scheme for this paper.
(A)
$\displaystyle (A+B)^{-1}=B^{-1}+A^{-1}$
MatricesInvertible MatricesUnderstandmcqmedium
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CBSE Class 12 Mathematics past-paper question from the 2025board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.