Find the Inverse of the Matrix $$\left[ \begin{array} { r r } 3 & 0 \\1 & - 1\end{array} \right]$$

question 110

Multiple Choice

Find the inverse of the matrix.
- $$\left[ \begin{array} { r r } 3 & 0 \\1 & - 1\end{array} \right]$$

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

---

Definitions:

Adult Population

The segment of the population that comprises individuals who are considered adults, typically based on reaching a specific age threshold.

Literate

The ability to read and write at a level sufficient for effective communication and consumption of information.

Social Overhead Capital

Basic infrastructure projects such as roads, power generation, and irrigation systems.

Developing Country

A nation with a lower level of material wealth, industrialization, and human development index compared to developed countries.