Solve ({ccc}{3}&{0}&{8}{3}&{-1}&{6}{-2}&{0}&{-5}+{lll}{1}&{0}&{0}{0}&{1}&{0}{0}&{0}&{1})^2

$$( \left( \begin{array} { c c c } { 3 } & { 0 } & { 8 } \\ { 3 } & { - 1 } & { 6 } \\ { - 2 } & { 0 } & { - 5 } \end{array} \right) + \left( \begin{array} { l l l } { 1 } & { 0 } & { 0 } \\ { 0 } & { 1 } & { 0 } \\ { 0 } & { 0 } & { 1 } \end{array} \right) ) ^ { 2 }$$

Evaluate

$$\left(\begin{matrix}0&0&0\\0&0&0\\0&0&0\end{matrix}\right)$$

Calculate Determinant

$$0$$