Lemma
EasyBinomial theorem
OpenStax, Intermediate Algebra 2e §12.2 Arithmetic Sequences · Try It 13 · Algebra · Binomial theorem

Arithmetic Sequences · Try It 13

Find the sum of the first 50 terms of the arithmetic sequence whose general term is

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OpenStax, Intermediate Algebra 2e · §12.2 Arithmetic Sequences · Try It 13

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