Question

log de raiz de 8 na base o,25

Answer 1

$0,25 = \frac{1}{4} = {2}^{ - 2} \\ 8 = {2}^{3}$

$log_{0,25}(8) = log_{ {2}^{ - 2} }( {2}^{3} ) \\ = \frac{3}{ - 2} = - \frac{3}{2}$