Lemma
EasyBinomial theorem
OpenStax, Intermediate Algebra 2e §12.2 Arithmetic Sequences · Example 6 · Algebra · Binomial theorem

Arithmetic Sequences · Example 6

Find the sum of the first 30 terms of the arithmetic sequence: 8, 13, 18, 23, 28, …

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OpenStax, Intermediate Algebra 2e · §12.2 Arithmetic Sequences · Example 6

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