Let A be a square matrix of order 3 then |3A| is equal to Option 1: 3|A| Option 2: 3^2|A| Option 3: |A|^3 Option 4: 3^3|A|

The answer is '3^3|A|'. View full solution:

CUET Mathematics - Let A be a square matrix of order 3 then |3A| is equal to | PYQs + Solutions

CUET Mathematics 2023 23 May Shift 3

Algebra

Easy

3|A|

$3^2$ |A|

$|A|^3$

$3^3$ |A|

✅ Correct Option: 4

Related questions:

3 June Shift 2

The system of equations

$x + y + z = 4$

$x + 2y + 3z = 12$

$x + 3y + \lambda z = \mu$ has a unique solution if

13 May Shift 2

If A and B are square matrices of order 3 such that $|A| = 3$ and $|B| = -1$ , then $|3AB|$ is equal to

22 May Shift 1

Let $A = \begin{bmatrix} 152 & 105 & 3 \\ 149 & 25 & 35 \\ 2 & 1 & 0 \end{bmatrix}$ . If $A_{ij}$ denotes the co-factor of an element $a_{ij}$ of the matrix A, then the value of $a_{11}A_{21} + a_{12}A_{22} + a_{13}A_{23}$ is equal to

CUET Mathematics 2023 23 May Shift 3 PYQs

Keyboard Shortcuts