The Characteristic Equation Of $A = \left( \begin{array} { c c } - 3 & - 1 \\1 & - 1\end{array} \right)$

question 2

Multiple Choice

The characteristic equation of $A = \left( \begin{array} { c c } - 3 & - 1 \\1 & - 1\end{array} \right)$ is

• A) \(\lambda ^ { 2 } + 4 \lambda - 4 = 0\)
• B) \(\lambda ^ { 2 } + 4 \lambda + 4 = 0\)
• C) \(\lambda ^ { 2 } - 2 \lambda = 0\)
• D) \(\lambda ^ { 2 } + 2 \lambda = 0\)
• E) \(\lambda ^ { 2 } - 2 \lambda - 4 = 0\)

---

Definitions:

Price Discrimination

Price discrimination occurs when a seller charges different prices to different customers for the same product or service, where such differences cannot be justified by variations in cost.

Group Boycotts

A concerted refusal by a group of businesses to deal with a particular company or a form of collective industrial action.

Sherman Act

A landmark federal statute in the United States antitrust law passed by Congress in 1890 to preserve competitive markets by prohibiting monopolies, cartels, and other forms of anti-competitive behavior.

Group Boycotts

A concerted action by businesses to exclude a party from commercial dealings, potentially violating antitrust laws.