Question

Решите !!!!!!!!!!!!!!!!!!!!!!

㏒₁/₉9

Answer 1

$log _{ \frac{1}{9} } 9=log _{( \frac{1}{9}) ^{-1} } =9 ^{-1}=-1log _{9}9 = - 1$

Answer 2

$log(1/9) 9 =log( 9^{-1} )9= -1*log(9)9=-1$