1. $A=\left[\begin{array}{ccc}3& 5& 1\\ 4& 0& 2\\ 1& 6& 4\end{array}\right]$

• A. $\left[\begin{array}{ccc}5& 5& 1\\ 4& 2& 2\\ 1& 6& 6\end{array}\right]$
• B. $\left[\begin{array}{ccc}5& 5& 1\\ 4& 2& 2\\ 1& 6& 6\end{array}\right]$
• C. $\left[\begin{array}{ccc}5& 5& 1\\ 4& 2& 2\\ 1& 6& 6\end{array}\right]$
• D. $\left[\begin{array}{ccc}5& 5& 1\\ 4& 2& 2\\ 1& 6& 6\end{array}\right]$

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