Linear Algebra
Special Matrix Types
Which of the following matrices is symmetric?
\[\begin{aligned}
\text{Matrix } A : &\matrix{13 & -6 \\ -6 & 45} \\
\\
\text{Matrix } B : &\matrix{50 & 36 & 11 \\ 36 & 35 & -21 \\ 11 & -21 & 19} \\
\\
\text{Matrix } C : &\matrix{-17 & 38 & 11 \\ -32 & 12 & -49 \\ 48 & -43 & -37}
\end{aligned}\]
\[\begin{aligned}
\text{Matrix } A : &\matrix{13 & -6 \\ -6 & 45} \\
\\
\text{Matrix } B : &\matrix{50 & 36 & 11 \\ 36 & 35 & -21 \\ 11 & -21 & 19} \\
\\
\text{Matrix } C : &\matrix{-17 & 38 & 11 \\ -32 & 12 & -49 \\ 48 & -43 & -37}
\end{aligned}\]
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