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If A = \(\left[\begin{array}{ll}0 & 1 \\ 1 & 0\end{array}\right]\), then A2 is equal to
1
\(\left[\begin{array}{ll}0 & 1 \\ 1 & 0\end{array}\right]\)
2
\(\left[\begin{array}{ll}1 & 0 \\ 1 & 0\end{array}\right]\)
3
\(\left[\begin{array}{ll}0 & 1 \\ 0 & 1\end{array}\right]\)
4
\(\left[\begin{array}{ll}1 & 0 \\ 0 & 1\end{array}\right]\)