Question

calcule o valor de x da imagem acima

Answer 1

Oi Cheuby

x = 1/2 + 1/4 + 1/8 + 1/16 + 1/32

PG

u1 = 1/2
u2 = 1/4

razão
q = u2/u1 = (1/4)/(1/2) = 1/2

n = 5

soma
S = u1*(1 - q^n)/(1 - q)

S = (1/2)*(1 -  (1/2)^5)/(1 - 1/2) 

S = (1 - 1/32) = (32 - 1)/32 = 31/32

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