Linear Algebra
Special Matrix Types
Which of the following matrices is symmetric?
\[\begin{aligned}
\text{Matrix } A : &\matrix{-17 & -40 \\ -40 & 5} \\
\\
\text{Matrix } B : &\matrix{33 & 27 & 13 \\ 27 & 15 & 7 \\ 13 & 7 & -44} \\
\\
\text{Matrix } C : &\matrix{11 & -14 & -22 \\ -14 & -20 & -12 \\ -22 & -12 & 2}
\end{aligned}\]
\[\begin{aligned}
\text{Matrix } A : &\matrix{-17 & -40 \\ -40 & 5} \\
\\
\text{Matrix } B : &\matrix{33 & 27 & 13 \\ 27 & 15 & 7 \\ 13 & 7 & -44} \\
\\
\text{Matrix } C : &\matrix{11 & -14 & -22 \\ -14 & -20 & -12 \\ -22 & -12 & 2}
\end{aligned}\]
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