Given And $d = 2$ Determine $c A + d B$
A)

Given: $A = \left[ \begin{array} { r r r } - 6 & - 10 & 7 \\ - 2 & 4 & 3 \end{array} \right] , B = \left[ \begin{array} { r r r } - 1 & 7 & - 3 \\ 1 & 2 & - 2 \end{array} \right] , c = - 4$ and $d = 2$ determine $c A + d B$ .

A) $\left[ \begin{array} { r r r } 22 & - 3 & 4 \\ 10 & 6 & 1 \end{array} \right]$
B) $\left[ \begin{array} { r r r } 26 & 26 & - 22 \\ 6 & - 20 & - 8 \end{array} \right]$
C) $\left[ \begin{array} { r r r } 22 & 54 & - 34 \\ 10 & - 12 & - 16 \end{array} \right]$
D) $\left[ \begin{array} { r r r } 22 & 54 & - 34 \\ - 1 & 6 & 1 \end{array} \right]$
E) not possible

Correct Answer:

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