Linear Algebra
Special Matrix Types
Which of the following matrices is symmetric?
\[\begin{aligned}
\text{Matrix } A : &\matrix{-7 & -18 \\ -45 & 13} \\
\\
\text{Matrix } B : &\matrix{41 & -26 & -17 \\ -26 & -14 & -20 \\ -17 & -20 & 25} \\
\\
\text{Matrix } C : &\matrix{-13 & 36 & 24 \\ 19 & -25 & 33 \\ 6 & -47 & -39}
\end{aligned}\]
\[\begin{aligned}
\text{Matrix } A : &\matrix{-7 & -18 \\ -45 & 13} \\
\\
\text{Matrix } B : &\matrix{41 & -26 & -17 \\ -26 & -14 & -20 \\ -17 & -20 & 25} \\
\\
\text{Matrix } C : &\matrix{-13 & 36 & 24 \\ 19 & -25 & 33 \\ 6 & -47 & -39}
\end{aligned}\]
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