Find the Inverse Matrix of A $$A = \left[ \begin{array} { l l l } 1 & 0 & 8 \\1 & 2 & 3 \\2 & 5 & 3\end{array} \right]$$

question 171

Multiple Choice

Find the inverse matrix of A.
- $$A = \left[ \begin{array} { l l l } 1 & 0 & 8 \\1 & 2 & 3 \\2 & 5 & 3\end{array} \right]$$

• A) \(\left[ \begin{array} { r r r } - 1 & 0 & - 8 \\ - 1 & - 2 & - 3 \\ - 2 & - 5 & - 3 \end{array} \right]\)
• B) \(\left[ \begin{array} { l l l } 1 & 1 & 2 \\ 0 & 2 & 5 \\ 8 & 3 & 3 \end{array} \right]\)
• C) \(\left[ \begin{array} { r r r } 9 & - 40 & 16 \\ - 3 & 13 & - 5 \\ - 1 & 5 & - 2 \end{array} \right]\)
• D) \(\left[ \begin{array} { r r r } 9 & 40 & 16 \\ - 3 & - 13 & - 5 \\ - 1 & - 5 & - 2 \end{array} \right]\)

---

Definitions:

British Pounds

The currency of the United Kingdom, which is one of the world's major currencies traded internationally.

U.S. Exports

Goods and services produced in the United States and sold to other countries.

Outflow of Payments

The movement of money out of a particular country, company, or household, typically for the purpose of purchasing goods, services, or assets.

Inflow of Payments

The total amount of money coming into a firm, organization, or economy from various sources over a period of time.