Let A = bmatrix 3 & -1 \\ 2 & 4 bmatrix, then adjoint (A) is: Option 1: bmatrix 3 & 2 \\ -1 & 4 bmatrix Option 2: bmatrix 4 & -1 \\ 2 & 3 bmatrix Option 3: bmatrix -4 & 1 \\ -2 & -3 bmatrix Option 4: bmatrix 4 & 1 \\ -2 & 3 bmatrix

The answer is 'bmatrix 4 & 1 \\ -2 & 3 bmatrix'. View full solution:

CUET Mathematics - Let A = bmatrix 3 & -1 \\ 2 & 4 bmatrix, then adjoint (A) is: | PYQs + Solutions

CUET Mathematics 2023 23 May Shift 3

Algebra

Easy

$\begin{bmatrix} 3 & 2 \\ -1 & 4 \end{bmatrix}$

$\begin{bmatrix} 4 & -1 \\ 2 & 3 \end{bmatrix}$

$\begin{bmatrix} -4 & 1 \\ -2 & -3 \end{bmatrix}$

$\begin{bmatrix} 4 & 1 \\ -2 & 3 \end{bmatrix}$

✅ Correct Option: 4