$S=\left[\begin{array}{r}2 \\-2 \\2\end{array}\right]$ এবং $T=\left[\begin{array}{lll}1 & 1 & 1\end{array}\right]$ হলে ST= ?

$\left[\begin{array}{l}3 \\3 \\3\end{array}\right]$

$\left[\begin{array}{lll}2 & -2 & 2 \\2 & -2 & 2 \\2 & -2 & 2\end{array}\right]$

$\left[\begin{array}{rrr}2 & 2 & 2 \\-2 & -2 & -2 \\2 & 2 & 2\end{array}\right]$

$\text { [6] }$