Perform the Indicated Operation $\mathrm { A } = \left[ \begin{array} { r r r } - 4 & 2 & 5 \\ 6 & - 1 & 6 \\ - 4 & 7 & 7 \end{array} \right]$

Perform the indicated operation.
-Let $\mathrm { A } = \left[ \begin{array} { r r r } - 4 & 2 & 5 \\ 6 & - 1 & 6 \\ - 4 & 7 & 7 \end{array} \right]$ and $\mathrm { B } = \left[ \begin{array} { r r r } 1 & - 4 & 4 \\ 5 & 3 & 2 \\ - 9 & 6 & 7 \end{array} \right]$ . Find $\mathrm { A } + \mathrm { B }$ .

A) $\left[ \begin{array} { l r r } - 2 & - 3 & 9 \\ 11 & 2 & 8 \\ - 13 & 13 & 14 \end{array} \right]$

B) $\left[ \begin{array} { l r r } - 3 & - 2 & 9 \\ 11 & 2 & 8 \\ - 13 & 13 & 14 \end{array} \right]$

C) $\left[ \begin{array} { l r r } - 3 & - 2 & 9 \\ 11 & 2 & 8 \\ - 13 & 14 & 13 \end{array} \right]$

D) $\left[ \begin{array} { l r r } - 3 & - 2 & 9 \\ 11 & - 4 & 8 \\ - 13 & 13 & 14 \end{array} \right]$

Correct Answer:

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