A = [2 1 -1] এবং B = $\begin{bmatrix} 2 \\ 0 \\ 3 \end{bmatrix}$ হলে, BA = ? $[1]$ $\begin{bmatrix} 4 \\ 0 \\ 3 \end{bmatrix}$ $[4 \text{ } 0 \text{ } -3]$ $\begin{bmatrix} 4 & 2 & -2 \\ 0 & 0 & 0 \\ 6 & 3 & -3 \end{bmatrix}$

ID#6870 HSC Higher Math 1st MCQ (Dhaka 2023)

A = [2 1 -1] এবং B = $\begin{bmatrix} 2 \\ 0 \\ 3 \end{bmatrix}$ হলে, BA = ?

ক) $[1]$

খ) $\begin{bmatrix} 4 \\ 0 \\ 3 \end{bmatrix}$

গ) $[4 \text{ } 0 \text{ } -3]$

ঘ) $\begin{bmatrix} 4 & 2 & -2 \\ 0 & 0 & 0 \\ 6 & 3 & -3 \end{bmatrix}$

ঘ

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