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Estudos Gerais05/22/2024

5. (Udesc-SC) Os números reais é toual a: a) 3 b) 20 (a) 13...

  1. (Udesc-SC) Os números reais a,ba, b e c sâo tais que a progressâo geométrica S1={(5ab,b,48,}S_{1}=\{(5 a-b, b, 48, \ldots\} e a progressåo aritmética S2={c,b,6ac,)S_{2}=\{c,-b,-6 a-c, \ldots) possuem razóes opostas. Entảo, o valor de a+b+ca+b+c é toual a: a) 3 b) 20 (a) 13 d) 15 e) 10

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