MCQ
$A=\left[\begin{array}{lll}1 & 2 & 3\end{array}\right] \Rightarrow A^{\prime}=$
- A$\left[\begin{array}{lll}1 & 2 & 3\end{array}\right]$
- B$\left[\begin{array}{l}3 \\ 2 \\ 1\end{array}\right]$
- C$\left[\begin{array}{lll}3 & 2 & 1\end{array}\right]$
- ✓$\left[\begin{array}{l}1 \\ 2 \\ 3\end{array}\right]$