Show That $C ( n , r ) = C ( n , n - r )$

question 8

Essay

Show that $C ( n , r ) = C ( n , n - r )$ using
(a) a combinatorial argument.
(b) algebraic manipulation.

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Definitions:

Importing Country

A country that buys goods and services from abroad for domestic consumption or use.

Quota Rights

Entitlements allocated by governments or international bodies that allow entities to import or export a specified quantity of goods.

Tariff Revenue

Income that a government earns from imposing taxes on imported goods.

United States

A country located in North America, known for its significant economic, political, and cultural influence worldwide.