CUET Mathematics - For every square matrix A of order nx n, which of the following statements are correct ? (A) (adjA)A = A(adjA) = |A|I, where I is identity matrix of order n. (B) |kA|=k^n|A|, k is any scalar. (C) |adjA|=|A|^n (D) A^2=A Choose the correct answer from the options given below: | PYQs + Solutions

CUET Mathematics 2026 22nd May Shift 1

Algebra

Easy

common

(A) and (B) only

(B) and (C) only

(A) and (C) only

(B) and (D) only

✅ Correct Option: 1

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If $A$ is an invertible matrix of order 3, then

Match List-I with List-II

List-I	List-II
(A) $\vert \text{adj} A\vert$	(I) $8\vert A\vert$
(B) $\vert A(\text{adj} A)\vert$	(II) $\vert A\vert ^2$
(C) $\vert 2A\vert$	(III) $\frac{1}{\vert A\vert }$
(D) $\vert A^{-1}\vert$	(IV) $\vert A\vert ^3$

Choose the correct answer from the options given below:

CUET Mathematics 2026 22nd May Shift 1 PYQs

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