X n = a + d(n−1) (We use "n−1" because d is not used in the 1st term)īy using the formula, we can find the summation of the terms of this arithmetic sequence. The general representation of arithmetic series is a, a + d, a + 2d.a + d(n−1)Īs per the rule or formula, we can write an Arithmetic Sequence as: Also, look at the below solved example and learn how to find arithmetic sequences manually.įind the sum of the arithmetic sequence of 2,4,6,8,10,12,14,16?Ī is the first term and d is the common difference By using this formula, we can easily find the summation of arithmetic sequences.įor practical understanding of the concept, go with our Arithmetic Sequence Calculator and provide the input list of numbers and make your calculations easier at a faster pace.
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