Decide Whether or Not the Matrices Are Inverses of Each $\left[ \begin{array} { r r r } 2 & - 1 & 0 \\ - 1 & 1 & - 2 \\ 1 & 0 & - 1 \end{array} \right]$

question 62

Multiple Choice

Decide whether or not the matrices are inverses of each other.
- $\left[ \begin{array} { r r r } 2 & - 1 & 0 \\ - 1 & 1 & - 2 \\ 1 & 0 & - 1 \end{array} \right]$ and $\left[ \begin{array} { r r r } 1 & - 1 & 2 \\ - 3 & - 2 & 4 \\ - 1 & 1 & 1 \end{array} \right]$

• A) \(Y e s\)
• B) \(\mathrm { No }\)

---

Definitions:

Labour Cost

The expense associated with the work performed by employees, encompassing salaries, wages, and additional benefits.

Productivity

The ratio of outputs (goods and services) divided by one or more inputs (such as labour, capital, or management).

Labour Cost Per Unit

The total expense of labor required to produce a single unit of output, encompassing wages, benefits, and any other compensation.

Executive Intuition

The gut feelings or instincts of managers and executives that influence decision-making, often based on experience.