Expansion: The binomial expansion formulas

The binomial expansion formulas are used to find the expansions when the binomials are raised to natural numbers (or) rational numbers. Understand the binomial expansion formula with derivation, examples, and FAQs. Learn the meaning of expansion as a noun, its synonyms, and how to use it in sentences. Find out the different types and applications of expansion in mathematics, mechanics, and economics. There are 14 meanings listed in OED's entry for the noun expansion , two of which are labelled obsolete. See ‘Meaning & use’ for definitions, usage, and quotation evidence. Expansion refers to the phase of the business cycle characterized by an increase in economic growth, employment, and overall prosperity.