10 pts
PG
u1 = 2
u2 = 4
razão
r = u2/u1 = 4/2 = 2
soma
Sn = u1*(q^n - 1)/(q - 1)
Sn = 2*(2¹º - 1)/(2 - 1)
Sn = 2*(1024 - 1) = 2*1023 = 2046
pronto
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Verified answer
PG
u1 = 2
u2 = 4
razão
r = u2/u1 = 4/2 = 2
soma
Sn = u1*(q^n - 1)/(q - 1)
Sn = 2*(2¹º - 1)/(2 - 1)
Sn = 2*(1024 - 1) = 2*1023 = 2046
pronto