Find the Inverse of the Matrix $$\left[ \begin{array} { r r r } 1 & 0 & 0 \\- 1 & 1 & 0 \\1 & 1 & 1\end{array} \right]$$

question 24

Multiple Choice

Find the inverse of the matrix.
- $$\left[ \begin{array} { r r r } 1 & 0 & 0 \\- 1 & 1 & 0 \\1 & 1 & 1\end{array} \right]$$

• A) \(\left[ \begin{array} { r r r } 1 & 0 & 0 \\ 1 & 1 & 0 \\ - 2 & - 1 & 1 \end{array} \right]\)
• B) \(\left[ \begin{array} { r r r } 1 & - 1 & 1 \\ 0 & 1 & - 1 \\ 0 & 0 & 1 \end{array} \right]\)
• C) \(\left[ \begin{array} { l l l } 1 & 1 & 1 \\ 0 & 1 & 1 \\ 0 & 0 & 1 \end{array} \right]\)
• D) \(\left[ \begin{array} { r r r } - 1 & 0 & 0 \\ - 1 & - 1 & 0 \\ - 1 & - 1 & - 1 \end{array} \right]\)

Assess the best methods and sources for obtaining quality compensation data.

Understand the rationales behind current employers’ compensation strategies, especially in response to market dynamics.

Analyze the criteria for selecting market comparator firms.

Grasp the significance of compa-ratios in evaluating compensation levels.

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