Question

qual o valor de log2 elevado a 1/2 ?

Answer 1

$\log_2 \frac{1}{2} = \\\\ \log_2 2^{- 1} = \\ \boxed{- 1}$

 

Ou,

 

$\log_2 \frac{1}{2} = x \\\\ 2^x = \frac{1}{2} \\\\ 2^x = 2^{- 1} \\ \boxed{x = - 1}$