Linear Algebra:
Special Matrix Types
Which of the following matrices is symmetric?
\[\begin{aligned}
\text{Matrix } A : &\matrix{-48 & 20 \\ -45 & 29} \\
\\
\text{Matrix } B : &\matrix{-32 & -50 & -49 \\ -43 & -38 & 36 \\ -27 & -38 & 19} \\
\\
\text{Matrix } C : &\matrix{20 & 16 & 15 \\ 26 & 16 & -25 \\ 39 & -49 & -40}
\end{aligned}\]
\[\begin{aligned}
\text{Matrix } A : &\matrix{-48 & 20 \\ -45 & 29} \\
\\
\text{Matrix } B : &\matrix{-32 & -50 & -49 \\ -43 & -38 & 36 \\ -27 & -38 & 19} \\
\\
\text{Matrix } C : &\matrix{20 & 16 & 15 \\ 26 & 16 & -25 \\ 39 & -49 & -40}
\end{aligned}\]
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