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OpenStudy (anonymous):
Find the indicated sum for the geometric series S6 for 2 +1 + 1/2 + 1/4 + ...
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OpenStudy (anonymous):
The sum of a geometric sequence is \[Sn = a \frac{ 1 - r^ {n} }{ 1-r }\]
OpenStudy (anonymous):
in your case a = 2 and r = 1/2
OpenStudy (anonymous):
Yeah I figured it out, that's why I closed the question haha. Thanks anyway though
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