Linear Algebra:
Special Matrix Types
Which of the following matrices is symmetric?
\[\begin{aligned}
\text{Matrix } A : &\matrix{-3 & -37 \\ -37 & -11} \\
\\
\text{Matrix } B : &\matrix{-48 & -13 & 27 \\ 33 & -45 & 11 \\ -10 & -29 & 7} \\
\\
\text{Matrix } C : &\matrix{40 & 15 & 39 \\ 15 & 0 & 42 \\ 39 & 42 & 39}
\end{aligned}\]
\[\begin{aligned}
\text{Matrix } A : &\matrix{-3 & -37 \\ -37 & -11} \\
\\
\text{Matrix } B : &\matrix{-48 & -13 & 27 \\ 33 & -45 & 11 \\ -10 & -29 & 7} \\
\\
\text{Matrix } C : &\matrix{40 & 15 & 39 \\ 15 & 0 & 42 \\ 39 & 42 & 39}
\end{aligned}\]
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