CUET Mathematics - If A = bmatrix 1 & 0 \\ 0 & -1 bmatrix and B = bmatrix 0 & 2 \\ 2 & 0 bmatrix, then the matrix AB is equal to | PYQs + Solutions

CUET Mathematics 2025 30 May Shift 1

Algebra

Easy

common

$\begin{bmatrix} 0 & -2 \\ 2 & 0 \end{bmatrix}$

$\begin{bmatrix} 0 & 0 \\ 0 & 0 \end{bmatrix}$

$\begin{bmatrix} 0 & 2 \\ -2 & 0 \end{bmatrix}$

$\begin{bmatrix} 2 & -2 \\ -2 & 2 \end{bmatrix}$

✅ Correct Option: 3

Related questions:

22 May Shift 1

If $\begin{bmatrix} 1 & 3 \\ 2 & 4 \end{bmatrix} \begin{bmatrix} 3 & 5 \\ -1 & 3 \end{bmatrix} = \begin{bmatrix} m & 14 \\ 2 & n \end{bmatrix}$ , then $m + n$ is equal to

27 May Shift 1

Match List-I with List-II

List-I	List-II
(A) The number of possible matrices of order 3x3 with each entry 1 or 0	(I) $2^4$
(B) The number of possible matrices of order 2x3 with each entry 1 or 0	(II) $2^9$
(C) The number of possible matrices of order 2x3 with each entry 0,1,2	(III) $2^6$
(D) The number of possible matrices of order 2x2 with each entry 1 or 0	(IV) $3^6$

Choose the correct answer from the options given below:

3 June Shift 1

Let $A = [a_{ij}]$ be a square matrix of order 3 with $|A| = 2$ and let $C = [c_{ij}]$ where $c_{ij} =$ cofactor of $a_{ij}$ in A. Then $|C|$ is equal to:

CUET Mathematics 2025 30 May Shift 1 PYQs

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