CUET Mathematics - If A = [a_ij]_2×2 where $a_ij = cases 1, & i ≠ j \\ 0, & i = j cases and I is the identity matrix of order 2, then (A^2 - 3A + 4I)$ is (A) Symmetric Matrix (B) Skew-symmetric Matrix (C) Non-singular Matrix (D) Square Matrix Choose the correct answer from the options given below: | PYQs + Solutions

CUET Mathematics 2025 13 May Shift 1

Algebra

Medium

applied

(B) and (D) only

(A), (B) and (C) only

(A), (C) and (D) only

(A) and (D) only

✅ Correct Option: 3

Related questions:

14 May Shift 2

For the system of equations AX = B, which of the following is correct?

13 May Shift 2

Let $A = \begin{bmatrix} 2 & -3 & 4 \\ 0 & 1 & 5 \\ -4 & 2 & 3 \end{bmatrix}$ and $a_{ij}$ be any element of matrix A, i, j ∈ {1,2,3}, then which of the following are TRUE?

(A) Minor of $a_{23} = 16$

(B) Minor of $a_{23} = -8$

(D) Cofactor of $a_{23} = 8$

(E) Cofactor of $a_{13} = 4$

Choose the correct answer from the options given below:

13 May Shift 1

If $M = \begin{bmatrix} 2 \\ -1 \\ 3 \end{bmatrix}$ and $N = [7 \quad 1 \quad -4]$ , then $(MN)^T$ will be equal to:

CUET Mathematics 2025 13 May Shift 1 PYQs

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