Problema Solution
What is the sum of a 17–term arithmetic sequence where the first term is 8 and the last term is –88?
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What is the sum of a 17âterm arithmetic sequence where the first term is 8 and the last term is â88?
Sum of first 17 terms :
a = 8
l = 88
S = 17/2[8+88]
S = 17 * 48 = 816