যদি $A=\left[\begin{array}{cc}2 & -3 \\3 & 2\end{array}\right]$ হয়, তবে $A^2$ সমান-

$\left[\begin{array}{cc}-5 & 12 \\-12 & 5\end{array}\right]$

$\left[\begin{array}{cc}2 & -12 \\-12 & 5\end{array}\right]$

$\left[\begin{array}{rr}-5 & 12 \\12 & -5\end{array}\right]$

$\left[\begin{array}{cc}-5 & -12 \\12 & -5\end{array}\right]$