CBSE 2026 · Region 5 · Set 1 · Q5 · 1 mark
If A is a non-singular matrix, then which of the following is not true ?
Official answer
From CBSE’s own marking scheme for this paper.
(A)
$\displaystyle \operatorname{adj} \mathrm{A}$ is singular
MatricesInvertible MatricesRemembermcqmedium
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CBSE Class 12 Mathematics past-paper question from the 2026board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.