Summary
The sum of an arithmetic sequence can be calculated by adding the first and last terms and multiplying the result by the number of terms in the sequence divided by two. This is known as the arithmetic series formula.
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The sum of an arithmetic sequence can also be calculated by multiplying the average of the first and last terms by the number of terms in the sequence.
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Summary
In an Arithmetic Sequence the difference between one term and the next is a constant .
In other words, we just add the same value each time ... infinitely.
Arithmetic Sequences and Sums
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An arithmetic progression or arithmetic sequence (AP) is a sequence of numbers such that the difference from any succeeding term to its preceding term remains constant throughout the sequence.The constant difference is called common difference of that arithmetic progression. For instance, the sequence 5, 7, 9, 11, 13, 15, . . . is an arithmetic progression with a common difference of 2.
Arithmetic progression - Wikipedia
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Explains the terms and formulas for arithmetic series. Uses worked examples to show how ... series is the sum of the terms of an arithmetic sequence. A ...
Arithmetic Series | Purplemath
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