Question

Determine a soma dos termos da PG infinita
.
(2/3,2/9,2/27,2/81,2/243,...)

Answer 1

Resposta:Sn=1

Explicação passo-a-passo:a1=2/3,q=a2/a1-->q=2/9/2/3-->q=6/18:6/6-->1/3,Sn=?

Sn=a1/1-q

Sn=2/3/1-1/3

Sn=2/3/3/3-1/3

Sn=2/3/2/3

Sn=6/6

Sn=1