Geometric series?

1 ⤊

Is the series from 1 to infinity of 3/2n a geometric series and if so what is r.

2007-04-17 01:58:05 · 4 answers · asked by TMS 3 in Science & Mathematics ➔ Mathematics

4 answers

It's not a geometric series because the ratio between the terms are different.

Second term/First term = (3/4)/(3/2) = 1/2
Third term/Second term = (3/6)/(3/4) = 2/3

2007-04-17 02:35:51 · answer #1 · answered by obit17 2 · 1⤊ 0⤋

Hi Tiff

2007-04-17 02:39:47 · answer #2 · answered by Dr D 7 · 0⤊ 0⤋

r is the ratio of the term to the previous term.
For example, geometric series: 1,2,4,8,16,32,64,... r=2

2007-04-17 02:04:29 · answer #3 · answered by Anonymous · 0⤊ 1⤋

it is not geometric series

r=a2/a1=a3/a2=...

2007-04-17 02:23:06 · answer #4 · answered by iyiogrenci 6 · 0⤊ 0⤋