Cambridge Encyclopedia » Cambridge Encyclopedia Vol. 67

sequence (mathematics) - Examples and notation, Types and properties of sequences, Sequences in analysis, Series

term nth

In mathematics, an ordered set of numbers such that the nth term can always be written as a function of n. In an arithmetic sequence, where a is the first term and d the common difference, the nth term is a + (n?1)d. A series is the sum of the terms in a sequence. Thus the exponential series is eqn18.

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