Perform the Indicated Operations and Simplify , And $C = \left[ \begin{array} { r r r } 7 & - 9 & 0 \\ 3 & - 5 & 1 \\ - 1 & 6 & 2 \end{array} \right]$

question 72

Multiple Choice

Perform the indicated operations and simplify.
-Let $A = \left[ \begin{array} { r r } 3 & - 4 \\ - 2 & 5 \end{array} \right] , B = \left[ \begin{array} { r r r } 5 & - 2 & 8 \\ 1 & 0 & - 3 \end{array} \right]$ , and $C = \left[ \begin{array} { r r r } 7 & - 9 & 0 \\ 3 & - 5 & 1 \\ - 1 & 6 & 2 \end{array} \right]$ . Find $A B + B C$ .

• A) \(\left[ \begin{array} { r r r } 68 & 3 & 31 \\ 8 & - 2 & - 5 \end{array} \right]\)
• В) \(\left[ \begin{array} { l r r } 32 & 7 & 50 \\ 5 & - 23 & - 37 \end{array} \right]\)
• C) \(\left[ \begin{array} { r r r } - 10 & - 19 & 12 \\ - 15 & 31 & - 25 \end{array} \right]\)
• D) \(\left[ \begin{array} { r r r } 32 & 19 & 40 \\ - 15 & 31 & - 37 \end{array} \right]\)

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