Find the Value of the Determinant $$\left| \begin{array} { l l } a & b \\b & a\end{array} \right|$$

question 157

Multiple Choice

Find the value of the determinant.
- $$\left| \begin{array} { l l } a & b \\b & a\end{array} \right|$$

• A) \(a ^ { 2 } - b ^ { 2 }\)
• B) \(a ^ { 2 } + b ^ { 2 }\)
• C) \(2 a b\)
• D) 0

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Definitions:

Monopolist

An individual or entity that has exclusive control over the supply or trade of a commodity or service in a particular market.

Economic Efficiency

A condition in which resources are distributed in a manner that optimizes the creation of goods and services while minimizing expenses.

Demand Conditions

The market requirements and consumer preferences that influence the demand for goods and services, including price, quality, and accessibility.

Cost Conditions

The factors that influence the expenses associated with producing goods and services, including materials, labor, and overhead.