Question

a limit question

Answer 1

\[\lim_{n \rightarrow \infty}a(1-r^n)/(1-r)\]

Answer 2

if |r|<1 then the value tends to a/(1-r).
if |r|>1 then the value tends to infinity ( assuming a>0 )

Answer 3

don't really understand, how can |r|<1 happen when you have already that the absolute value of it

Answer 4

i'm sorry but can u pls elaborate ur query...

Answer 5

ahh.. nothing

Answer 6

by tht u meant u understood or sumthing else...

Answer 7

ahhh i understand it thanks!!!!! you've saved my life!!!