Find the Inverse of the Matrix $$\left[ \begin{array} { l l l } 1 & 1 & 1 \\2 & 1 & 1 \\2 & 2 & 3\end{array} \right]$$

question 200

Multiple Choice

Find the inverse of the matrix.
- $$\left[ \begin{array} { l l l } 1 & 1 & 1 \\2 & 1 & 1 \\2 & 2 & 3\end{array} \right]$$

• A) \(\left[ \begin{array} { l l l } - 1 & - 1 & - 1 \\ - 2 & - 1 & - 1 \\ - 2 & - 2 & - 3 \end{array} \right]\)
• В) \(\left[ \begin{array} { r r r } - 1 & 1 & 0 \\ 4 & - 1 & - 1 \\ - 2 & 0 & 1 \end{array} \right]\)
• C) \(\left[ \begin{array} { c c c } 1 & 1 & 1 \\ \frac { 1 } { 2 } & 1 & 1 \\ \frac { 1 } { 2 } & \frac { 1 } { 2 } & \frac { 1 } { 3 } \end{array} \right]\)
• D) No inverse

Understand the concept of opportunity cost and its significance in decision-making.

Grasp the principles of incremental cost and revenue, and their applications in managerial decisions.

Comprehend the distinction between sunk costs and relevant costs for decision-making.

Identify and differentiate between fixed and variable costs.

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Definitions:

Pairs Of Pants

A measure or quantity that refers specifically to trousers, counted in units of two legs each.

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A component of a country's balance of payments that measures the trade of goods and services, net income, and direct transfers with the rest of the world.

Financial Account

A component of the balance of payments that records investment flows and holdings of foreign assets by domestic residents and domestic assets by foreigners.

Official Reserves

Foreign currencies owned by the central bank of a nation.