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anonymous
 one year ago
Help please?
Find the sum of the following infinite geometric series, if it exists.
4 + 3 + 2.25 + 1.6875 +…
Does not exist
12
14
16
anonymous
 one year ago
Help please? Find the sum of the following infinite geometric series, if it exists. 4 + 3 + 2.25 + 1.6875 +… Does not exist 12 14 16

This Question is Closed

Vocaloid
 one year ago
Best ResponseYou've already chosen the best response.1well, the formula for the sum of an infinite geometric series is a/(1r), where a is the first term and r is the common ratio you can find the common ratio by dividing the second number by the first number; in this case, we get r = 3/4 an important thing to note is that this formula will only work if r < 1, which works because 3/4 < 1
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