Mathematics
Mathematics, 01.10.2021 22:20, Fabito9069

Find the sum of an arithmetic series with the given number of terms a1 and an 27. 10 terms, a1 = 4, a 10 = 31

28. 15 terms, a1 = 17, a15 =129

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Find the sum of an arithmetic series with the given number of terms a1 and an 27. 10 terms, a1 = 4...

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