Linear Algebra:
Special Matrix Types
Which of the following matrices is symmetric?
\[\begin{aligned}
\text{Matrix } A : &\matrix{-31 & -35 \\ 25 & 5} \\
\\
\text{Matrix } B : &\matrix{-24 & 10 & 29 \\ 10 & 14 & -24 \\ 29 & -24 & -23} \\
\\
\text{Matrix } C : &\matrix{-12 & 3 & -39 \\ 3 & -18 & -20 \\ -39 & -20 & -20}
\end{aligned}\]
\[\begin{aligned}
\text{Matrix } A : &\matrix{-31 & -35 \\ 25 & 5} \\
\\
\text{Matrix } B : &\matrix{-24 & 10 & 29 \\ 10 & 14 & -24 \\ 29 & -24 & -23} \\
\\
\text{Matrix } C : &\matrix{-12 & 3 & -39 \\ 3 & -18 & -20 \\ -39 & -20 & -20}
\end{aligned}\]
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