/sci/ - Science & Math

>>14857538
>1/9 = 1/10 + 1/90
>1/(9*10^n) = 0.9/(9*10^n) + 0.1/(9*10^n) = 1/(10^(n+1))+ 1/(9*10^(n+1))
>therefore it follows that .... + 1/(9*10^n) = ..... + 1/(10^(n+1)) + 1/(9*10^(n+1))
correct
>therefore if you repeat this infinity times you wont have the 1/(9*10^(n+1)) at the end
fucking retard