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  • Usuário do Brainly
2014-06-23T14:45:10-03:00
Log (1/2)
   √2
(√2)^x = 1/2
(2^(1/2))^x = 2^(- 1)
2^(1/2x) = 2^(- 1)
1/2x = - 1
x = - 1/(1/2)
x = - 1 . 2/1
x = - 2/1
x = - 2
1 1 1