$A=\left[\begin{array}{cc}3 & 7 \\2 & -4\end{array}\right]$ এর $\text { Adjoint matrix }$ কোনটি?

$\left[\begin{array}{cc}4 & -2 \\-7 & 3\end{array}\right]$

$\left[\begin{array}{cc}-4 & 2 \\7 & -3\end{array}\right]$

$\left[\begin{array}{cc}4 & -7 \\-2 & 3\end{array}\right]$

$\left[\begin{array}{cc}-4 & -7 \\-2 & 3\end{array}\right]$