SOLUTION: An infinite geo series has the sum 16. If the sum of the first two terms is 15, find a1 and r

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Question 849306: An infinite geo series has the sum 16. If the sum of the first two terms is 15, find a1 and r

Answer by AnlytcPhil(1807)   (Show Source): You can put this solution on YOUR website!
An infinite geo series has the sum 16.

the sum of the first two terms is 15








So we have the system:



Use substitution:





 









using 





using 






Two solutions:

, 

and

, 
 
Edwin
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