Find $| A B |$ , If A) 3080
B) 616
C) 150
D) 280
E) 1300

question 86

Multiple Choice

Find $| A B |$ , if
$$A = \left[ \begin{array} { r r r } 5 & - 2 & - 2 \\- 3 & 4 & - 1 \\- 5 & 6 & 2\end{array} \right] , B = \left[ \begin{array} { r r r } 1 & - 1 & - 3 \\- 5 & - 3 & 4 \\- 5 & - 1 & - 2\end{array} \right]$$

• A) 3080
• B) 616
• C) 150
• D) 280
• E) 1300

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