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2 votes
Formula for the sum of an arithmetic progression​

asked
User Ngoc
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1 Answer

3 votes

Answer:

I think it is S = n⁄2 (a + L)

Explanation:

“S” is the sum of the arithmetic sequence, “a” as the first term, “d” the common difference between the terms, “n” is the total number of terms in the sequence and.

answered
User Bilal Awan
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8.7k points

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