CUET MATHEMATICS 2025

Q1.
Let A=[aij]n×n be a matrix.
Match List-I with List-II
| List-I | List-II |
| (A) | (I) Singular matrix |
| (B) | (II) Non-singular matrix |
| (C) IAI = 0 | (III) A is a skew symmetric matrix |
| (D) |A| ≠ 0 | (IV) Symmetric matrix |
Choose the correct answer from the option given below:
Options:
1. (A–IV), (B–III), (C–II), (D–I
2. (A–IV), (B–III), (C–I), (D–II
3. (A–I), (B–II), (C–III), (D–IV
4. (A–II), (B–III), (C–IV), (D–I
Q2. A =

…, then find matrix is equal to
Options:

Q3. If A is a square matrix and I is the identity matrix of same order such that A2=I , then (A−I)3+(A+I)3−3A is equal to
1. A
2. 2A
3. 3A
4. 5A