$\left[\begin{array}{lll}-4 & 2 & 1\end{array}\right]$ ও $\left[\begin{array}{r}1 \\-3 \\-1\end{array}\right]$ এর গুণফল কত?

$\left[\begin{array}{l}-4 \\-6 \\-1\end{array}\right]$

$\left[\begin{array}{lll}-4^{-} & -6 & -1\end{array}\right]$

$\left[\begin{array}{rrr}-4 & 2 & 1 \\12 & -6 & -3 \\4 & -2 & -1\end{array}\right]$

$[-11]$