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Here's the question you clicked on:
Jhun
find the sum of the given infinite geometric series 1+2/3+4/9... A. 6 B. 3 C. 4 D. 2
\[S \infty =\frac{ a }{ 1-r }\]
I dont know how to plug it in :/
a = i st term r = common ratio ie t2/t1
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