Question

log 1/2 = x na base 4 
alguém pode me ajudar??

Answer 1

$Resolu\c{c}\~ao\to \left\{\begin{array}{ccc}log_4\ 1/2 = x\\\\4^x = 1/2\\\\(2^2)^x = 2^{-1}\\\\2^{2x} = 2^{-1}\\\\2x = -1\\\\\boxed{\boxed{x = -\frac{1}{2}}} \end{array}\right$

Espero ter ajudado. :))