[2−22−2]\left[\begin{array}{ll}2 & -2 \\2 & -2\end{array}\right][22−2−2]
[21−2−1]\left[\begin{array}{cc}2 & 1 \\-2 & -1\end{array}\right][2−21−1]
[23−1−2]\left[\begin{array}{cc}2 & 3 \\-1 & -2\end{array}\right][2−13−2]
কোনটিই নয়
