DanielsonAmpomah
Answered

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formula for the sum of an arithmetic progression​

Sagot :

Answer:

I think it is S = n⁄2 (a + L)

Step-by-step 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.

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