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

CUET Mathematics 2025 27 May Shift 1

Algebra

Medium

applied

✅ Correct Option: 1

Related questions:

21 May Shift 2

The system of linear equations $kx + 5y = 5$ , $2x + 3y = 5$ will be consistent if

29 May Shift 2

If $A = \begin{bmatrix} 3 & 1 \\ -1 & 2 \end{bmatrix}$ then $A^2 - 5A$ is equal to (where I is identity matrix of order 2)

3 June Shift 2

If A is an invertible matrix, then which of the following statement(s) is/are TRUE?

(A) $|A^{-1}| = |A|$

(B) $(A^{-1})^{-1} = A$

(D) $(A^T)^{-1} = (A^{-1})^T$

Choose the correct answer from the options given below:

CUET Mathematics 2025 27 May Shift 1 PYQs