1 . A=8-5-64

• A. $\left[\begin{array}{cc}2& \frac{5}{2}\\ 3& 4\end{array}\right]$
• B. $\left[\begin{array}{cc}-2& -\frac{5}{2}\\ -3& -4\end{array}\right]$
• C. $\left[\begin{array}{cc}4& \frac{5}{2}\\ 3& 2\end{array}\right]$
• D. $\left[\begin{array}{cc}2& -3\\ -\frac{5}{2}& 4\end{array}\right]$

Answer: Option A

Explanation: