0 votes 0 votes Plese explain me this series HeadShot asked Dec 11, 2018 HeadShot 374 views answer comment Share Follow See all 7 Comments See all 7 7 Comments reply goxul commented Dec 11, 2018 reply Follow Share Both of them are infinite GPs with the common ratio being 1/25. 0 votes 0 votes Lakshman Bhaiya commented Dec 11, 2018 reply Follow Share infinite $GP$ $S_{\infty}=\frac{a}{1-r}$ where $r<1$ $S_{\infty}=\infty$ where $r>1$ Where $a=$first term and $r=$common ratio 1 votes 1 votes HeadShot commented Dec 11, 2018 reply Follow Share @Lakshman Patel RJIT @goxul then what about $r^{\infty}$ ? 0 votes 0 votes goxul commented Dec 11, 2018 reply Follow Share It doesn't matter - since it is an infinite GP, it converges to a finite value. 0 votes 0 votes HeadShot commented Dec 11, 2018 reply Follow Share @goxul will you explain your way.. just post a paper work, typing it might be time consuming. 0 votes 0 votes goxul commented Dec 11, 2018 reply Follow Share http://mathematics.laerd.com/maths/geometric-progression-intro.php This has what you're looking for. 0 votes 0 votes HeadShot commented Dec 11, 2018 reply Follow Share @Lakshman Patel RJIT sorry may be i overlooked ur comment initially, thanx. @goxul Perfect !! 0 votes 0 votes Please log in or register to add a comment.