Respostas

  • Usuário do Brainly
2014-06-23T14:30:18-03:00
Log √2
   1/2
(1/2)^x = √2
(2^(- 1))^x = 2^1/2
2^(- x) = 2^1/2
- x = 1/2 . (- 1)
x = - 1/2