for-a-geometric-series-can-the-sun-to-infinty-use-the-two-formulas-S-a-1-r-r-lt-1-and-S-a-r-1-r-gt-1-please-i-am-getting-confused-on-this-

Question Number 66439 by Rio Michael last updated on 15/Aug/19

f o r a g e o m e t r i c s e r i e s .

c a n t h e s u n t o i n f i n t y u s e t h e t w o f o r m u l a s

S_{\infty} = \frac{a}{1 - r} ∣ r ∣ < 1 a n d S_{\infty} = \frac{a}{r - 1} ∣ r ∣ > 1 ? ? p l e a s e i a m g e t t i n g c o n f u s e d o n t h i s .

Commented by JDamian last updated on 15/Aug/19

T h e s u m w h e n n \to \infty a n d r > 1 i s \pm \infty

Commented by Rio Michael last updated on 15/Aug/19

s o i t c a n b e u s e d ? i m e a n t h e s e c o n d f o r m u l a

Commented by Kunal12588 last updated on 15/Aug/19

w h e n t h e s e r i e s i s c o n v e r g i n g t h o s e f o r m u l a s

c a n b e u s e d

Commented by Rio Michael last updated on 15/Aug/19

t h a n k s