MCQ
$\left[\begin{array}{ll}3 & -2\end{array}\right]_{1 \times 2}\left[\begin{array}{r}1 \\ -1\end{array}\right]_{2 \times 1}=$
- A$\left[\begin{array}{ll}3 & 2\end{array}\right]$
- B$\left[\begin{array}{l}3 \\ 2\end{array}\right]$
- C1
- ✓5
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