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OpenStudy (anonymous):
Find the sum of the first 8 terms of the series. 1/2 +1+2+4+ ...
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OpenStudy (saifoo.khan):
Do you know how to solve a geometric series?
OpenStudy (anonymous):
Vaguely.
OpenStudy (saifoo.khan):
Then you need this: https://www.khanacademy.org/math/trigonometry/seq_induction/seq_and_series/v/geometric-sequences--introduction Try it out then.
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