Find the Inverse of A $$A = \left[ \begin{array} { c c c } - 4 & 12 & 4 \\8 & 20 & 0 \\12 & 4 & - 8\end{array} \right]$$

question 3

Multiple Choice

Find the inverse of A.​ $$A = \left[ \begin{array} { c c c } - 4 & 12 & 4 \\8 & 20 & 0 \\12 & 4 & - 8\end{array} \right]$$ ​

• A)​ \[A ^ { - 1 } = \frac { 1 } { 36 } \left[ \begin{array} { c c c }
• 10 & 7 & 5 \\
• 4 & - 1 & 2 \\
• - 13 & 10 & - 11
• \end{array} \right]\]
• B)​ \[A ^ { - 1 } = \frac { 1 } { 24 } \left[ \begin{array} { c c c }
• 10 & 7 & 5 \\
• 4 & 1 & 2 \\
• 13 & 10 & 11
• \end{array} \right]\]
• C)​ \[A ^ { - 1 } = \frac { 1 } { 28 } \left[ \begin{array} { c c c }
• - 10 & 7 & - 5 \\
• 4 & - 1 & 2 \\
• - 13 & 10 & - 11
• \end{array} \right]\]
• D)​ \[A ^ { - 1 } = \frac { 1 } { 36 } \left[ \begin{array} { c c c }
• - 10 & 7 & - 5 \\
• 4 & - 1 & 2 \\
• - 13 & 10 & - 11
• \end{array} \right]\]
• E)​ \[A ^ { - 1 } = \frac { 1 } { 28 } \left[ \begin{array} { c c c }
• 10 & 7 & 5 \\
• 4 & 1 & 2 \\
• 13 & 10 & 11
• \end{array} \right]\]

Understand the concept of fund turnover and its impact on fund performance and investor returns.

Grasp the tax efficiency of different types of funds and its importance for investor decision-making.

Apply knowledge of fund characteristics to assess investment options for diversification purposes.

Analyze fund performance ratings and understand their implications for investors.

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