Question 851679
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Hi,
What is the sum of the first 10 terms of the sequence an=4n-3
{1, 5, 9, 14,...}  Arithmetic  d = 4
{{{S[n]=(n/2)(2*a[1]+ (n-1)d)}}}
{{{S[10]=(10/2)(2 + (9)4)}}} = 190