SOLUTION: The sum of an infinite G.P. is 1/3 and the first term is 1/4. Find the G.P

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Question 1122515: The sum of an infinite G.P. is 1/3 and the first term is 1/4. Find the G.P
Answer by greenestamps(13200) About Me  (Show Source):
You can put this solution on YOUR website!


S+=+a1%2F%281-r%29

1%2F3+=+%281%2F4%29%2F%281-r%29
%281-r%29+=+%281%2F4%29%2F%281%2F3%29+=+3%2F4
r+=+1%2F4

First term 1/4, common ratio 1/4; the GP is

1/4, 1/16, 1/64, 1/256, ...