A-level Mathematics/MEI/C2/Sequences and Series

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Sequences and Series - Principles

A sequence is a set of numbers in a given order: ½ ⅓ ⅔ ¼

Arithmetic sequences: $a_{n} = a n + b$

Geometric sequences: $a_{n} = a r^{n - 1}$

Oscillating sequences: $a_{n} = (- 1)^{n}$

Periodic sequences.

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