Respostas

2012-12-10T22:54:46-02:00

Devemos igualar as bases (1/3)^x+1 = raiz quadrade de 3/9

 

(1/3)^x+1 (1/3)^1/2

 

Agora é so igualar os expoentes

 

x+ 1 = 1/2    = x = -1/2

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