SOLUTION: The 3rd and the 4th terms of a geometric progression are 12 and 8 respectively. Find the sum to infinity of the progression.

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Question 1083026: The 3rd and the 4th terms of a geometric progression are 12 and 8 respectively. Find the sum to infinity of the progression.
Answer by amfagge92(93) About Me  (Show Source):
You can put this solution on YOUR website!
a=27
r=2/3
S∞=a/1-r
=81