Question

calcule o limite da soma dos termos da pg 1/3;1/9;1/27;...

Answer 1

a1 = 1/3
q = a1/a1
q = 1/9 / 1/3
q = 1/9 . 3
q = 3/9
q = 1/3
Sn = a1/(1-q)
Sn = 1/3 / (1-1/3)
Sn = 1/3 / (3/3-1/3)
Sn = 1/3 / 2/3
Sn = 1/2