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OpenStudy (anonymous):
Find the sum of the following infinite geometric series, if it exists. 2 + 1.5 + 1.125 + 0.8437 +…
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OpenStudy (owlfred):
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OpenStudy (anonymous):
s = a / 1-r = 2 /1 - .75 = 2 / 0.25 = 8
OpenStudy (anonymous):
ok? the common ratio r = 1.5 /2 = .75 and a = first term
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