Question
The matrix $A=\left[\begin{array}{ll}0 & 1 \\ 1 & 0\end{array}\right]$ is a

Answer

(c) : $A^{\prime}=\left[\begin{array}{ll}0 & 1 \\ 1 & 0\end{array}\right]=A$
Hence, $A$ is a symmetric matrix.

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