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slega [8]
3 years ago
5

What is the sum of the matrices shown below?

Mathematics
1 answer:
Georgia [21]3 years ago
7 0

Answer:

\red{ \bold{\begin{bmatrix}  - 4 & 26 & - 5  \\ \\6 &  17& - 8\end{bmatrix} }}

Step-by-step explanation:

\begin{bmatrix} 4 & 19 & - 5\\ \\ 7  & 0 & - 14\end{bmatrix} +  \begin{bmatrix}  -8  & 7 & 0\\ \\  - 1  & 17 & 6\end{bmatrix} \\  \\  = \begin{bmatrix} 4 + ( - 8) & 19 + 7 & - 5 + 0\\ \\ 7 + ( - 1)  & 0  + 17& - 14 + 6\end{bmatrix} \\  \\ = \begin{bmatrix} 4  - 8 & 19 + 7 & - 5 + 0\\ \\ 7  - 1  & 0  + 17& - 14 + 6\end{bmatrix} \\  \\ \purple{ \bold{ = \begin{bmatrix}  - 4 & 26 & - 5  \\ \\6 &  17& - 8\end{bmatrix} }}

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