2. Addition on 3×3 matrices

Determine \(A + B\), if \(A =\begin{bmatrix}
7 & -5 & 13\\
-8 & 6 & 5\\
10 & 8 & 12
\end{bmatrix}, B = \begin{bmatrix}
2 & 5 & -1\\
5 & -1 & 6\\ 
-10 & 2 & 4
\end{bmatrix}\)

 

\(A + B =\)$\left[\begin{array}{lll}i& i& i\\ i& i& i\\ i& i& i\end{array}\right]$