MCQ
$\left[\begin{array}{ll}2 & 3 \\ 5 & 7\end{array}\right]\left[\begin{array}{l}1 \\ 1\end{array}\right]=$
  • $\left[\begin{array}{c}5 \\ 12\end{array}\right]$
  • B
    $\left[\begin{array}{ll}5 & 12\end{array}\right]$
  • C
    $\left[\begin{array}{ll}2 & 3 \\ 5 & 7\end{array}\right]$
  • D
    $\left[\begin{array}{ll}5 & 7 \\ 3 & 2\end{array}\right]$

Answer

Correct option: A.
$\left[\begin{array}{c}5 \\ 12\end{array}\right]$
A

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