1 . A = 1- 10- 2

• A. $\frac{1}{2} \left(\begin{array}{cc}2& - 1\\ 0& - 1\end{array}\right)$
• B. $\frac{1}{3} \left(\begin{array}{cc}2& - 1\\ 0& - 1\end{array}\right)$
• C. $\frac{1}{2} \left(\begin{array}{cc}-1& 1\\ 0& 2\end{array}\right)$
• D. $\frac{1}{3} \left(\begin{array}{cc}-1& 1\\ 0& 2\end{array}\right)$

Answer: Option A

Explanation: