Linear Algebra:
Special Matrix Types
Which of the following matrices is symmetric?
\[\begin{aligned}
\text{Matrix } A : &\matrix{3 & -2 \\ -19 & -50} \\
\\
\text{Matrix } B : &\matrix{-49 & 49 & -6 \\ -29 & -35 & -48 \\ -8 & 34 & 8} \\
\\
\text{Matrix } C : &\matrix{-20 & 11 & -17 \\ -16 & -42 & 25 \\ 7 & 24 & -33}
\end{aligned}\]
\[\begin{aligned}
\text{Matrix } A : &\matrix{3 & -2 \\ -19 & -50} \\
\\
\text{Matrix } B : &\matrix{-49 & 49 & -6 \\ -29 & -35 & -48 \\ -8 & 34 & 8} \\
\\
\text{Matrix } C : &\matrix{-20 & 11 & -17 \\ -16 & -42 & 25 \\ 7 & 24 & -33}
\end{aligned}\]
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