SOLUTION: The 2 and 5 terms of a gp are 7 and 56 when the common ratio is 2 and the first term is 7/2 find the sum of the first five terms
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Question 1128011: The 2 and 5 terms of a gp are 7 and 56 when the common ratio is 2 and the first term is 7/2 find the sum of the first five terms Answer by ikleyn(52788) (Show Source):
You are given the first term of a GP (7/2) and the common ratio (2).
It is enough to find the sum of the first five terms, if you know the standard formula.
The rest of the info is IRRELEVANT and serves only to confuse the reader and to check if he (or she) knows the subject firmly.
