SOLUTION: Find the 45th partial sum of the geometric sequence 8+12+18+27+....

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Question 880060: Find the 45th partial sum of the geometric sequence
8+12+18+27+....
Answer by Edwin McCravy(20056)   (Show Source): You can put this solution on YOUR website!
To find r we divide 

As a check, also divide 

and



So 

Formula for the sum of the first n terms of a geometric series:



where  and , 



Edwin
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