Formula
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Sn
arithmetic series, sum of n elements
a1
initial term
an
n-th term
n
n of elements
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Arithmetic series (given initial term,n-th term,arithmetic progression,arithmetic sequence)
Formula description
In mathematics, an arithmetic progression (AP) or arithmetic sequence is a sequence of numbers such that the difference between the consecutive terms is constant. For instance, the sequence 3, 5, 7, 9, 11, 13, ... is an arithmetic progression with common difference 2. The sum of the members of a finite arithmetic progression is called an arithmetic series.
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a1
an
n
Sn
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