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Find the Indicated Sum or Difference, If It Is Defined

Question 62

Multiple Choice

Find the indicated sum or difference, if it is defined.
- [5x+5y−6k−9z2w+6v−2m−9n]−[2x+2y2k−4z4w+9v6m−3n]\left[ \begin{array} { r } 5 x + 5 y \\- 6 k - 9 z \\2 w + 6 v \\- 2 m - 9 n\end{array} \right] - \left[ \begin{array} { c } 2 x + 2 y \\2 k - 4 z \\4 w + 9 v \\6 m - 3 n\end{array} \right]


A)
[3x+7y−8k−13z−2w+15v−8m−12n]\left[ \begin{array} { r } 3 x + 7 y \\ - 8 k - 13 z \\ - 2 w + 15 v \\ - 8 m - 12 n \end{array} \right]
B) [3x+3y−8k+5z−2w−3v−8m+6n]\left[ \begin{array} { r } 3 x + 3 y \\ - 8 k + 5 z \\ - 2 w - 3 v \\ - 8 m + 6 n \end{array} \right]
C) [3x−7y−8k−13z−2w−15v−8m−12n]\left[ \begin{array} { r } 3 x - 7 y \\ - 8 k - 13 z \\ - 2 w - 15 v \\ - 8 m - 12 n \end{array} \right]
D) [3x+3y−8k−5z−2w−3v−8m−6n]\left[ \begin{array} { r } 3 x + 3 y \\ - 8 k - 5 z \\ - 2 w - 3 v \\ - 8 m - 6 n \end{array} \right]

Correct Answer:

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