Linear Algebra
Special Matrix Types
Which of the following matrices is symmetric?
\[\begin{aligned}
\text{Matrix } A : &\matrix{-28 & -26 \\ -26 & -30} \\
\\
\text{Matrix } B : &\matrix{29 & 31 & 46 \\ 31 & 46 & 28 \\ 46 & 28 & -11} \\
\\
\text{Matrix } C : &\matrix{20 & 46 & 5 \\ 39 & 44 & -44 \\ -34 & 47 & 27}
\end{aligned}\]
\[\begin{aligned}
\text{Matrix } A : &\matrix{-28 & -26 \\ -26 & -30} \\
\\
\text{Matrix } B : &\matrix{29 & 31 & 46 \\ 31 & 46 & 28 \\ 46 & 28 & -11} \\
\\
\text{Matrix } C : &\matrix{20 & 46 & 5 \\ 39 & 44 & -44 \\ -34 & 47 & 27}
\end{aligned}\]
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