SOLUTION: sum of the first 17 terms is 2414 last term is 256 what is the first term?
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Question 846904
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sum of the first 17 terms is 2414
last term is 256 what is the first term?
Answer by
richwmiller(17219)
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S = ½(a1 + an)n
2414=1/2(a+256)*17
a = 28