$A = \begin{bmatrix} 1 & 2 & 3 \\ 4 & -1 & 2 \\ 0 & 1 & -5 \end{bmatrix}$ হলে $A + 3I = ?$ (ক) $\begin{bmatrix} -2 & 2 & 3 \\ 4 & -4 & 2 \\ 0 & 1 & -8 \end{bmatrix}$ (খ) $\begin{bmatrix} -2 & 2 & 3 \\ 4 & 2 & 2 \\ 0 & 1 & -2 \end{bmatrix}$ (গ) $\begin{bmatrix} 4 & 2 & 3 \\ 4 & 2 & 2 \\ 0 & 1 & -2 \end{bmatrix}$ (ঘ) $\begin{bmatrix} -2 & 5 & 3 \\ 4 & -1 & 5 \\ 0 & 4 & -2 \end{bmatrix}$

ID#7060 HSC Higher Math 1st MCQ (Dinajpur 2023)

$A = \begin{bmatrix} 1 & 2 & 3 \\ 4 & -1 & 2 \\ 0 & 1 & -5 \end{bmatrix}$ হলে $A + 3I = ?$

ক) (ক) $\begin{bmatrix} -2 & 2 & 3 \\ 4 & -4 & 2 \\ 0 & 1 & -8 \end{bmatrix}$

খ) (খ) $\begin{bmatrix} -2 & 2 & 3 \\ 4 & 2 & 2 \\ 0 & 1 & -2 \end{bmatrix}$

গ) (গ) $\begin{bmatrix} 4 & 2 & 3 \\ 4 & 2 & 2 \\ 0 & 1 & -2 \end{bmatrix}$

ঘ) (ঘ) $\begin{bmatrix} -2 & 5 & 3 \\ 4 & -1 & 5 \\ 0 & 4 & -2 \end{bmatrix}$

গ

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