Find 3A​ $$A = \left[ \begin{array} { c c } 5 & - 2 \\2 & 3 \\- 3 & 5\end{array} \right]$$

question 21

Multiple Choice

Find 3A.​ $$A = \left[ \begin{array} { c c } 5 & - 2 \\2 & 3 \\- 3 & 5\end{array} \right]$$ ​

• A) \[\left[ \begin{array} { c c }
• 15 & - 6 \\
• 6 & 9 \\
• - 9 & 15
• \end{array} \right]\]
• B) \[\left[ \begin{array} { c c }
• 17 & - 6 \\
• 6 & 15 \\
• - 9 & 9
• \end{array} \right]\]
• C) \[\left[ \begin{array} { c c }
• 19 & - 6 \\
• - 9 & 9 \\
• 6 & 15
• \end{array} \right]\]
• D) \[\left[ \begin{array} { c c }
• 13 & 9 \\
• 6 & - 6 \\
• - 9 & 15
• \end{array} \right]\]
• E) \[\left[ \begin{array} { c c }
• 11 & - 6 \\
• 9 & 6 \\
• - 9 & 15
• \end{array} \right]\]

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