Linear Algebra
Special Matrix Types
Which of the following matrices is symmetric?
\[\begin{aligned}
\text{Matrix } A : &\matrix{27 & -50 \\ -50 & 26} \\
\\
\text{Matrix } B : &\matrix{-9 & 1 & 12 \\ 47 & -32 & -14 \\ -4 & -42 & 9} \\
\\
\text{Matrix } C : &\matrix{-21 & 2 & 44 \\ 27 & -16 & 5 \\ 7 & -21 & -31}
\end{aligned}\]
\[\begin{aligned}
\text{Matrix } A : &\matrix{27 & -50 \\ -50 & 26} \\
\\
\text{Matrix } B : &\matrix{-9 & 1 & 12 \\ 47 & -32 & -14 \\ -4 & -42 & 9} \\
\\
\text{Matrix } C : &\matrix{-21 & 2 & 44 \\ 27 & -16 & 5 \\ 7 & -21 & -31}
\end{aligned}\]
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