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OpenStudy (anonymous):
Find the sum of the following infinite geometric series, if it exists. 1/3 + 1/9 +1/27 + 1/38 ...
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OpenStudy (anonymous):
s infry=a/1-r
OpenStudy (anonymous):
\[S \infty = a/1-r \]
OpenStudy (anonymous):
just find r
OpenStudy (anonymous):
yes now easy to find r
OpenStudy (anonymous):
is it different if r is greater than 1...
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OpenStudy (anonymous):
if r>1 there is no infinite geometric series, it is only menat for r<1
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