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if the third term of gp is two divided by nine and sum of infinite terms is three divided by two then find the series

 if the third term of gp is two divided by nine and sum of infinite terms is three divided by two then find the series

Grade:11

1 Answers

Shailendra Kumar Sharma
188 Points
3 years ago
ar2=2/9
a/(1-r)=3/2
so division will lead to 
r2(1-r) =2/9*2/3
r2(1-r)=4/27
r=2/3
So the a=1/2 and the seris be ½ , 1/3 , 2/9, 4/27 ….

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