Linear Algebra:
Special Matrix Types
Which of the following matrices is symmetric?
\[\begin{aligned}
\text{Matrix } A : &\matrix{42 & -14 \\ -14 & -3} \\
\\
\text{Matrix } B : &\matrix{-4 & 5 & -10 \\ 15 & 46 & -30 \\ 32 & -29 & -4} \\
\\
\text{Matrix } C : &\matrix{-46 & -29 & 16 \\ -29 & -5 & 37 \\ 16 & 37 & 25}
\end{aligned}\]
\[\begin{aligned}
\text{Matrix } A : &\matrix{42 & -14 \\ -14 & -3} \\
\\
\text{Matrix } B : &\matrix{-4 & 5 & -10 \\ 15 & 46 & -30 \\ 32 & -29 & -4} \\
\\
\text{Matrix } C : &\matrix{-46 & -29 & 16 \\ -29 & -5 & 37 \\ 16 & 37 & 25}
\end{aligned}\]
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