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Find the sum of the infinite geometric series 8 + 4 + 2 + 1 +...if it exists
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High School Teacher
Before taking the sum, determine the common ratio between consecutive terms.
Hence, the common ratio is `1/2` .
Now that the common ratio is known, plug-in its value and the first term to the formula:
Hence, the sum of the given infinite geometric series is 16.
Posted by mjripalda on September 20, 2013 at 12:39 AM (Answer #1)
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