જો $\left[\begin{array}{ccc}0 & 2 & a \\ b & 0 & 4 \\ -3 & c & 0\end{array}\right]$ એ વિસંમિત શ્રેણિક (skew-symmetric matrix) હોય, તો $\left[\begin{array}{cc}a & b \\ b & a\end{array}\right]\left[\begin{array}{cc}b & c \\ c & b\end{array}\right]=$

• A
  $\left[\begin{array}{cc}0 & 0 \\ 0 & 0\end{array}\right]$
• B
  $\left[\begin{array}{cc}1 & 0 \\ 0 & 1\end{array}\right]$
• C
  $\left[\begin{array}{cc}2 & -8 \\ -8 & 2\end{array}\right]$
• D
  $\left[\begin{array}{cc}2 & 8 \\ 8 & 2\end{array}\right]$