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Mathematics, 01.11.2020 20:40 melanie12566

The sum of the first four terms of a geometric series with a common ratio of -1/3 is 80. Calculate:

(a) the first term
(b) the eighth term
(c) the sum to infinity

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The sum of the first four terms of a geometric series with a common ratio of -1/3 is 80. Calculate:...
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