Asked by Jay
what is the sum of arithmetic series
2+5+8+...+260?
2+5+8+...+260?
Answers
Answered by
Steve
d=3, so there are 1+(260-2)/3 = 87 terms
S87 = 87/2 (2+260) = 11,397
S87 = 87/2 (2+260) = 11,397
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