Find 3A​ $$A = \left[ \begin{array} { c c c } - 2 & 5 & 0 \\5 & - 2 & 4 \\6 & 8 & - 1 \\0 & 6 & - 6 \\- 2 & - 1 & 0\end{array} \right]$$

question 11

Multiple Choice

Find 3A.​ $$A = \left[ \begin{array} { c c c } - 2 & 5 & 0 \\5 & - 2 & 4 \\6 & 8 & - 1 \\0 & 6 & - 6 \\- 2 & - 1 & 0\end{array} \right]$$ ​

• A) \[\left[ \begin{array} { c c c }
• - 8 & 15 & 0 \\
• 0 & - 6 & - 18 \\
• 18 & 24 & - 3 \\
• 15 & 18 & 12 \\
• - 6 & - 3 & 0
• \end{array} \right]\]
• B) \[\left[ \begin{array} { c c c }
• - 6 & 15 & 0 \\
• 15 & - 6 & 12 \\
• 18 & 24 & - 3 \\
• 0 & 18 & - 18 \\
• - 6 & - 3 & 0
• \end{array} \right]\]
• C) \[\left[ \begin{array} { c c c }
• - 10 & 15 & 0 \\
• 15 & - 6 & 12 \\
• - 6 & 24 & 0 \\
• 0 & 18 & - 18 \\
• 18 & - 3 & - 3
• \end{array} \right]\]
• D) \[\left[ \begin{array} { c c c }
• - 4 & 15 & 0 \\
• 15 & - 6 & 12 \\
• - 3 & 24 & 18 \\
• 0 & 18 & - 18 \\
• 0 & - 3 & - 6
• \end{array} \right]\]
• E) \[\left[ \begin{array} { c c c }
• - 2 & 15 & 0 \\
• 12 & - 6 & 15 \\
• 18 & 24 & - 3 \\
• - 18 & 18 & 0 \\
• - 6 & - 3 & 0
• \end{array} \right]\]

---

Definitions:

Junk Mail

Unsolicited and often unwanted mail sent to a large number of recipients, typically for advertising or promotional purposes, cluttering inboxes with irrelevant messages.

Branching

In computing and logic, the process of making decisions and following different paths based on those decisions.

Leading

Leading in a research context often refers to the act of guiding or directing a team or project towards its research objectives.

Dichotomous Questions

Questions structured with two possible answers, typically "yes" or "no," making them straightforward for analysis in research.