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The nth term of a sequence is a_n = (n + 1)(3n + 2).  What is the value of a_1 + a_2 + ... + a_{100}?

 Jul 15, 2022
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sumfor(n, 1, 100, (3* n^2 + 5* n + 2))>>It converges to==1,040,500

 Jul 15, 2022

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