CUET Mathematics - Which of the following are TRUE? (A) The inverse of bmatrix 3 & -3 \\ 2 & 7 bmatrix is 1/27bmatrix 7 & 3 \\ -2 & 3 bmatrix. (B) The determinant of bmatrix 3 & -3 \\ 2 & 7 bmatrix is 29. (C) The inverse of bmatrix 3 & -3 \\ 2 & 7 bmatrix is 1/29bmatrix 7 & 3 \\ -2 & 3 bmatrix. (D) The adjoint of bmatrix 3 & -3 \\ 2 & 7 bmatrix is bmatrix 7 & 3 \\ -2 & 3 bmatrix. Choose the correct answer from the options given below: | PYQs + Solutions

CUET Mathematics 2026 19th May Shift 1

Algebra

Easy

applied

(A) and (D) only

(B) and (C) only

(B) and (D) only

(A) and (B) only

✅ Correct Option: 1

Related questions:

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The value of $\begin{vmatrix} 1 & x & y \\ 1 & x+y & y \\ 1 & x & x+y \end{vmatrix}$ is

30th May Shift 1

If $A=\begin{bmatrix}2 & 3\\1 & 2\end{bmatrix}, I=\begin{bmatrix}1 & 0\\0 & 1\end{bmatrix}$ and $A^2=\alpha A+\beta I$ , for some constant $\alpha$ and $\beta$ then the value of $\alpha$ and $\beta$ respectively:

22nd May Shift 2

Match List-I with List-II

List-I	List-II
(A) If $A = [a_{ij}]_{n \times n}$ , where $a_{ij} = \begin{cases}0, & i \ne j \\ k, & i=j, k\ne 0\end{cases}$ then A is ___	(I) Symmetric matrix
(B) If $A = [a_{ij}]_{2\times 2}$ , where $a_{ij} = \begin{cases}1, & i \ne j \\ 0, & i=j\end{cases}$ , then $A^2$ is ___	(II) Skew-Symmetric matrix
(C) If A and B are matrices of the same order, then $(AB^T - BA^T)$ is ___	(III) Identity matrix
(D) If A and B are symmetric matrices of the same order, then $(AB+BA)$ is ___	(IV) Scalar matrix

Choose the correct answer from the options given below:

CUET Mathematics 2026 19th May Shift 1 PYQs

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