Linear Algebra:
Special Matrix Types
Which of the following matrices is symmetric?
\[\begin{aligned}
\text{Matrix } A : &\matrix{-32 & -9 \\ -9 & 22} \\
\\
\text{Matrix } B : &\matrix{30 & -29 & 3 \\ -29 & -5 & -38 \\ 3 & -38 & 25} \\
\\
\text{Matrix } C : &\matrix{-50 & 10 & -38 \\ 10 & 3 & -10 \\ -38 & -10 & -49}
\end{aligned}\]
\[\begin{aligned}
\text{Matrix } A : &\matrix{-32 & -9 \\ -9 & 22} \\
\\
\text{Matrix } B : &\matrix{30 & -29 & 3 \\ -29 & -5 & -38 \\ 3 & -38 & 25} \\
\\
\text{Matrix } C : &\matrix{-50 & 10 & -38 \\ 10 & 3 & -10 \\ -38 & -10 & -49}
\end{aligned}\]
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