Question

Calcule a soma termos das progressões geométricas:
c) (6,4,...)
d) (12.-6,...)​

Answer 1

Resposta:

c) (6, 4,...)

q = 4/6 = 2/3

soma infinita

S = u1/(1 - q)

S = 6/(1 - 2/3) = 18

d) (12, -6,...)

q = -6/12 = -1/2

soma infinita

S = u1/(1 - q)

S = 12/(3/2) = 8