Find the Indicated Sum or Difference, If It Is Defined $$\left[ \begin{array} { r } 3 \\- 1 \\- 4\end{array} \right] + \left[ \begin{array} { r } - 5 \\6 \\9\end{array} \right]$$

question 45

Multiple Choice

Find the indicated sum or difference, if it is defined.
- $$\left[ \begin{array} { r } 3 \\- 1 \\- 4\end{array} \right] + \left[ \begin{array} { r } - 5 \\6 \\9\end{array} \right]$$

• A) \(\left[ \begin{array} { l } 2 \\ 5 \\ 6 \end{array} \right]\)
• B) \(\left[ \begin{array} { r r } 3 & - 5 \\ - 1 & 6 \\ - 4 & 9 \end{array} \right]\)
• C) \(\left[ \begin{array} { l l l } - 2 & 5 & 5 \end{array} \right]\)
• D) \(\left[ \begin{array} { r } - 2 \\ 5 \\ 5 \end{array} \right]\)

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