SOLUTION: find the sum of the geometric series 5,10/3,20/9...

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Question 860734: find the sum of the geometric series 5,10/3,20/9...
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 

Hi,

find the sum of the geometric series 5,10/3,20/9...

r = 2/3  and 2/3 < 1

Sum = a%5B1%5D%2F%281-r%29=+5%2F%281%2F3%29+=+15