If bmatrix 2x + 3 & y + 1 \\ 2x - z & 3y bmatrix = bmatrix 7 & -2 \\ -4 & -9 bmatrix, then matrix bmatrix 3z + 1 & 4 \\ -2 & 4 bmatrix is equal to: Option 1: bmatrix 5 & 4 \\ -2 & 4 bmatrix Option 2: bmatrix 25 & 4 \\ -2 & 4 bmatrix Option 3: bmatrix 21 & 4 \\ -2 & 4 bmatrix Option 4: bmatrix 31 & 4 \\ -2 & 4 bmatrix

The answer is 'bmatrix 25 & 4 \\ -2 & 4 bmatrix'. View full solution:

CUET Mathematics - If bmatrix 2x + 3 & y + 1 \\ 2x - z & 3y bmatrix = bmatrix 7 & -2 \\ -4 & -9 bmatrix, then matrix bmatrix 3z + 1 & 4 \\ -2 & 4 bmatrix is equal to: | PYQs + Solutions

CUET Mathematics 2022 25 May Shift 1

Applied Mathematics

Easy

$\begin{bmatrix} 5 & 4 \\ -2 & 4 \end{bmatrix}$

$\begin{bmatrix} 25 & 4 \\ -2 & 4 \end{bmatrix}$

$\begin{bmatrix} 21 & 4 \\ -2 & 4 \end{bmatrix}$

$\begin{bmatrix} 31 & 4 \\ -2 & 4 \end{bmatrix}$

✅ Correct Option: 2