Linear Algebra
Special Matrix Types
Which of the following matrices is symmetric?
\[\begin{aligned}
\text{Matrix } A : &\matrix{39 & 24 \\ -4 & -18} \\
\\
\text{Matrix } B : &\matrix{-47 & 6 & 24 \\ 39 & -20 & -32 \\ -2 & -5 & -9} \\
\\
\text{Matrix } C : &\matrix{-2 & 23 & -19 \\ 1 & 38 & -6 \\ 6 & 21 & -49}
\end{aligned}\]
\[\begin{aligned}
\text{Matrix } A : &\matrix{39 & 24 \\ -4 & -18} \\
\\
\text{Matrix } B : &\matrix{-47 & 6 & 24 \\ 39 & -20 & -32 \\ -2 & -5 & -9} \\
\\
\text{Matrix } C : &\matrix{-2 & 23 & -19 \\ 1 & 38 & -6 \\ 6 & 21 & -49}
\end{aligned}\]
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