Question

Решите пример log3 $frac{1}{ sqrt[4]{9} }$

Answer 1

$log_3 frac{1}{ sqrt[4]{9} } =log_3 frac{1}{ sqrt[2]{3} }=log_3 ({frac{1}{ 3 }})^{1/2}=log_3 (3)^{-1/2}=- frac{1}{2} =-0.5$