Linear Algebra
Special Matrix Types
Which of the following matrices is symmetric?
\[\begin{aligned}
\text{Matrix } A : &\matrix{-17 & -45 \\ -45 & -32} \\
\\
\text{Matrix } B : &\matrix{13 & -38 & 23 \\ -28 & 0 & -6 \\ -21 & 12 & 17} \\
\\
\text{Matrix } C : &\matrix{1 & -13 & 28 \\ -13 & 36 & -6 \\ 28 & -6 & 22}
\end{aligned}\]
\[\begin{aligned}
\text{Matrix } A : &\matrix{-17 & -45 \\ -45 & -32} \\
\\
\text{Matrix } B : &\matrix{13 & -38 & 23 \\ -28 & 0 & -6 \\ -21 & 12 & 17} \\
\\
\text{Matrix } C : &\matrix{1 & -13 & 28 \\ -13 & 36 & -6 \\ 28 & -6 & 22}
\end{aligned}\]
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