1)
-log_3x=1=>log_3x^{-1}=1=>x^{-1}=3=>x= \frac{1}{3} " alt="log_3x=-1=>-log_3x=1=>log_3x^{-1}=1=>x^{-1}=3=>x= \frac{1}{3} " align="absmiddle" class="latex-formula">
2)
по определению логарифма
x=\sqrt{5}}^0=1" alt="log_{\sqrt{5}} x=0=>x=\sqrt{5}}^0=1" align="absmiddle" class="latex-formula">