Linear Algebra:
Special Matrix Types
Which of the following matrices is symmetric?
\[\begin{aligned}
\text{Matrix } A : &\matrix{50 & 7 \\ 7 & 11} \\
\\
\text{Matrix } B : &\matrix{-8 & -7 & 23 \\ 16 & 47 & -19 \\ -8 & 45 & -22} \\
\\
\text{Matrix } C : &\matrix{22 & -50 & -24 \\ 18 & -31 & -37 \\ -20 & 3 & -39}
\end{aligned}\]
\[\begin{aligned}
\text{Matrix } A : &\matrix{50 & 7 \\ 7 & 11} \\
\\
\text{Matrix } B : &\matrix{-8 & -7 & 23 \\ 16 & 47 & -19 \\ -8 & 45 & -22} \\
\\
\text{Matrix } C : &\matrix{22 & -50 & -24 \\ 18 & -31 & -37 \\ -20 & 3 & -39}
\end{aligned}\]
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