## Jhun Group Title find the sum of the given infinite geometric series 1+2/3+4/9... A. 6 B. 3 C. 4 D. 2 one year ago one year ago

1. Yahoo! Group Title

$S \infty =\frac{ a }{ 1-r }$

2. Jhun Group Title

I dont know how to plug it in :/

3. Yahoo! Group Title

a = i st term r = common ratio ie t2/t1