$\mathrm A=\left|\begin{array}{lll}2 &1& -1\end{array}\right|$ এবং $\mathrm B=\left[\begin{array}{l}2\\0\\3\end{array}\right]$ হলে $\mathrm{BA}=\text { ? }$

$[1]$

$\left[\begin{array}{r}4 \\0 \\-3\end{array}\right]$

$\left[\begin{array}{lll}4 & 0 & -3\end{array}\right]$

$\left[\begin{array}{rrr}4 & 2 & -2 \\0 & 0 & 0 \\6 & 3 & -3\end{array}\right]$