Linear Algebra
Special Matrix Types
Which of the following matrices is symmetric?
\[\begin{aligned}
\text{Matrix } A : &\matrix{-8 & 22 \\ 22 & -40} \\
\\
\text{Matrix } B : &\matrix{-20 & 41 & 6 \\ 41 & 45 & 49 \\ 6 & 49 & 43} \\
\\
\text{Matrix } C : &\matrix{46 & -36 & 44 \\ -36 & 43 & -9 \\ 44 & -9 & -30}
\end{aligned}\]
\[\begin{aligned}
\text{Matrix } A : &\matrix{-8 & 22 \\ 22 & -40} \\
\\
\text{Matrix } B : &\matrix{-20 & 41 & 6 \\ 41 & 45 & 49 \\ 6 & 49 & 43} \\
\\
\text{Matrix } C : &\matrix{46 & -36 & 44 \\ -36 & 43 & -9 \\ 44 & -9 & -30}
\end{aligned}\]
Unlock full access
