Find the Inverse Matrix of A $$A = \left[ \begin{array} { r r r r } 0 & 5 & 0 & - 5 \\4 & 15 & - 2 & - 10 \\8 & 10 & - 4 & - 5 \\12 & 0 & - 4 & 0\end{array} \right]$$

question 121

Multiple Choice

Find the inverse matrix of A.
- $$A = \left[ \begin{array} { r r r r } 0 & 5 & 0 & - 5 \\4 & 15 & - 2 & - 10 \\8 & 10 & - 4 & - 5 \\12 & 0 & - 4 & 0\end{array} \right]$$

• A)
• \[\left[ \begin{array} { r r r r }
• - \frac { 1 } { 2 } & - \frac { 3 } { 5 } & - \frac { 3 } { 2 } & - \frac { 4 } { 5 } \\
• \frac { 1 } { 2 } & \frac { 2 } { 5 } & \frac { 3 } { 2 } & \frac { 1 } { 5 } \\
• - \frac { 1 } { 2 } & - \frac { 1 } { 5 } & - \frac { 3 } { 2 } & - \frac { 1 } { 5 } \\
• \frac { 1 } { 4 } & 1 & \frac { 1 } { 2 } & - 1
• \end{array} \right]\]
• B)
• \[\left[ \begin{array} { r r r r }
• - \frac { 1 } { 2 } & - \frac { 3 } { 5 } & - \frac { 3 } { 2 } & - \frac { 4 } { 5 } \\
• \frac { 1 } { 2 } & \frac { 2 } { 5 } & \frac { 3 } { 2 } & \frac { 1 } { 5 } \\
• - \frac { 1 } { 2 } & - \frac { 1 } { 5 } & - \frac { 3 } { 2 } & - \frac { 1 } { 5 } \\
• \frac { 1 } { 4 } & 0 & \frac { 1 } { 2 } & 0
• \end{array} \right]\]
• C)
• \[\left[ \begin{array} { r r r r }
• \frac { 1 } { 2 } & - \frac { 1 } { 2 } & \frac { 1 } { 2 } & - \frac { 1 } { 4 } \\
• \frac { 3 } { 5 } & - \frac { 2 } { 5 } & \frac { 1 } { 5 } & 0 \\
• \frac { 3 } { 2 } & - \frac { 3 } { 2 } & \frac { 3 } { 2 } & \frac { 1 } { 2 } \\
• - \frac { 2 } { 5 } & - \frac { 2 } { 5 } & \frac { 1 } { 5 } & 0
• \end{array} \right]\]
• D)
• \[\left[ \begin{array} { c c c c }
• - \frac { 1 } { 2 } & \frac { 1 } { 2 } & - \frac { 1 } { 2 } & \frac { 1 } { 4 } \\
• - \frac { 3 } { 5 } & \frac { 2 } { 5 } & - \frac { 1 } { 5 } & 0 \\
• - \frac { 3 } { 2 } & \frac { 3 } { 2 } & - \frac { 3 } { 2 } & \frac { 1 } { 2 } \\
• - \frac { 4 } { 5 } & \frac { 2 } { 5 } & - \frac { 1 } { 5 } & 0
• \end{array} \right]\]

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Definitions:

Multi-Family Group

A therapeutic approach involving multiple families together in therapy sessions to address and improve their interpersonal dynamics.

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These are therapeutic practices that utilize meditation or mindfulness techniques to improve mental health and well-being.

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A methodological approach in research to systematically review and mathematically combine results of previous studies to establish general conclusions.

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