Mathematics, 18.07.2019 22:00 cat7167
Onsider the arithmetic series: 1 + 9 + 17 + 25 + write a formula for the sum of the first n terms in this series.
Answers: 1
, as it starts from 0):![\Sigma_{m=0}^{3}(8m+1)=[8(0)+1]+[8(1)+1]+[8(2)+1]+[8(3)+1]=](/tpl/images/0105/5319/458d3.png)
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Onsider the arithmetic series: 1 + 9 + 17 + 25 + write a formula for the sum of the first n terms...
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