MCQ
$\left[\begin{array}{c}-3 \\ 5 \\ 2\end{array}\right]\left[\begin{array}{lll}1 & 6 & -4\end{array}\right]=$
  • $\left[\begin{array}{ccc}-3 & -18 & 12 \\ 5 & 30 & -20 \\ 2 & 12 & -8\end{array}\right]$
  • B
    $\left[\begin{array}{ccc}-3 & -18 & 12 \\ 2 & 12 & -8 \\ 5 & 30 & -20\end{array}\right]$
  • C
    $\left[\begin{array}{ccc}5 & 30 & -20 \\ -3 & -18 & 12 \\ 2 & 12 & -8\end{array}\right]$
  • D
    $\left|\begin{array}{ccc}3 & 18 & 12 \\ 5 & 30 & 20 \\ 2 & 12 & 8\end{array}\right|$

Answer

Correct option: A.
$\left[\begin{array}{ccc}-3 & -18 & 12 \\ 5 & 30 & -20 \\ 2 & 12 & -8\end{array}\right]$
A

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