Asked by Kevin
Find S(sub 73) for the arithmetic series 4 + 7 +10....
Answers
Answered by
Reiny
you have a AS where
a = 4, d = 3 and n = 73
sum(73) = (73/2)(2(4) + 72(3))
= (73/2)( 224) = 8176
a = 4, d = 3 and n = 73
sum(73) = (73/2)(2(4) + 72(3))
= (73/2)( 224) = 8176
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