SOLUTION: sum of the first 17 terms is 2414 last term is 256 what is the first term?

Algebra ->  Sequences-and-series -> SOLUTION: sum of the first 17 terms is 2414 last term is 256 what is the first term?      Log On


   



Question 846904: sum of the first 17 terms is 2414
last term is 256 what is the first term?

Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
S = ½(a1 + an)n
2414=1/2(a+256)*17
a = 28