Linear Algebra:
Special Matrix Types
Which of the following matrices is symmetric?
\[\begin{aligned}
\text{Matrix } A : &\matrix{-10 & -8 \\ 45 & 30} \\
\\
\text{Matrix } B : &\matrix{-18 & 15 & -27 \\ 15 & 17 & -22 \\ -27 & -22 & -33} \\
\\
\text{Matrix } C : &\matrix{-43 & -13 & -4 \\ 15 & 19 & 25 \\ -22 & -50 & -46}
\end{aligned}\]
\[\begin{aligned}
\text{Matrix } A : &\matrix{-10 & -8 \\ 45 & 30} \\
\\
\text{Matrix } B : &\matrix{-18 & 15 & -27 \\ 15 & 17 & -22 \\ -27 & -22 & -33} \\
\\
\text{Matrix } C : &\matrix{-43 & -13 & -4 \\ 15 & 19 & 25 \\ -22 & -50 & -46}
\end{aligned}\]
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