Evaluate the Expression A) $$\left[ \begin{array} { c c } 15 & 16 \\8 & 20\end{array} \right]$$

question 44

Multiple Choice

Evaluate the expression. $$\left[ \begin{array} { c c } 3 & - 4 \\- 1 & 5\end{array} \right] \left[ \begin{array} { l l } - 5 & 2 \\- 4 & 1\end{array} \right] \left[ \begin{array} { c c } - 1 & - 2 \\2 & 4\end{array} \right]$$

• A) \[\left[ \begin{array} { c c }
• 15 & 16 \\
• 8 & 20
• \end{array} \right]\]
• B) \[\left[ \begin{array} { c c }
• 3 & 6 \\
• 21 & 42
• \end{array} \right]\]
• C)not possible
• D) \[\left[ \begin{array} { r r }
• 27 & - 72 \\
• - 2 & - 20
• \end{array} \right]\]
• E) \[\left[ \begin{array} { l l }
• 3 & 21 \\
• 6 & 42
• \end{array} \right]\]

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