Question

Determine a soma dos termos da pg infinita (1,-1/3,1/9,....)

Answer 1

Q= -1/3* 1
Q= -1/3

S= (a1)/ 1 - Q

S= 1/ 4/3 = 3/4

1 - (-1/3)= 1- Q
1 + 1/3 = 1 - Q
4/3= 1 - Q

A soma eh 3/4