Linear Algebra
Special Matrix Types
Which of the following matrices is symmetric?
\[\begin{aligned}
\text{Matrix } A : &\matrix{10 & -37 \\ -37 & 9} \\
\\
\text{Matrix } B : &\matrix{-26 & 40 & 12 \\ -8 & -28 & 15 \\ -5 & 29 & -16} \\
\\
\text{Matrix } C : &\matrix{44 & 3 & -7 \\ 3 & 18 & -7 \\ -7 & -7 & -10}
\end{aligned}\]
\[\begin{aligned}
\text{Matrix } A : &\matrix{10 & -37 \\ -37 & 9} \\
\\
\text{Matrix } B : &\matrix{-26 & 40 & 12 \\ -8 & -28 & 15 \\ -5 & 29 & -16} \\
\\
\text{Matrix } C : &\matrix{44 & 3 & -7 \\ 3 & 18 & -7 \\ -7 & -7 & -10}
\end{aligned}\]
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