Question

Calcule a soma dos termos da pg infinta (1,2,...512)

Answer 1

Oi Vanessa

PG

u1 = 1
u2 = 2

q = 2

termo geral

un = u1*q^(n - 1)

2^(n - 1) = 512 = 2^9
n - 1 = 9
n = 10 termos

soma
Sn = u1*(q^n - 1)/(q - 1)

S10 = 1*(2^10 - 1)/(2 - 1)
S10 = 2^10 - 1 = 1024 - 1 = 1023

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