CUET Mathematics - If A is a square matrix and I is the identity matrix of same order such that A^2 = I, then (A - I)^3 + (A + I)^3 - 3A is equal to | PYQs + Solutions

CUET Mathematics 2025 14 May Shift 1

Algebra

Medium

common

✅ Correct Option: 4

Related questions:

30 May Shift 2

If A is a singular matrix, then A{adj A} is equal to

22 May Shift 1

If A is a skew-symmetric matrix, then which of the following statements is NOT true?

(A) A is singular if order of A is odd

(B) A is non-singular

(D) $A^{2025}$ is a symmetric matrix

(E) all diagonal elements of A are zeros

Choose the correct answer from the options given below:

13 May Shift 1

The matrix $\begin{bmatrix} 0 & 0 & 0 \\ 0 & 0 & 0 \\ 0 & 0 & 0 \end{bmatrix}$ is a

(A) Null matrix

(B) Unit matrix

(D) Skew-symmetric matrix

Choose the correct answer from the options given below:

CUET Mathematics 2025 14 May Shift 1 PYQs