Arithmetic Series

Definition of series, formula for arithmetic series

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SL Core 1.2

The sum of terms in a sequence is called a series.

SL Core 1.2

The sum of the first n terms in an arithmetic sequence is given by

Sn=2n(2u1+(n−1)d)📖

or equivalently

Sn=2n(u1+un)📖

SL Core 1.2

The sum of terms in a sequence is called a series.

SL Core 1.2

The sum of the first n terms in an arithmetic sequence is given by

Sn=2n(2u1+(n−1)d)📖

or equivalently

Sn=2n(u1+un)📖