Odpowiedź:
[tex]1. \: log_{3} 3 \\ {3}^{x} = 3 \\ x = 1\\2. \: log_{2} 8 \\ {2}^{x} = 8 \\ x = 3 \\3. \: log_{\frac{1}{5} } \sqrt[4]{5} \\ \frac{1}{5} {}^{x} = \sqrt[4]{5} \\ {5}^{ - x} = {5}^{ \frac{1}{4} } \\ x = - \frac{1}{4} \\4. \: log_{5} 5^{-\frac{2}{7} } \\ {5}^{x} = {5}^{ - \frac{2}{7} } \\ x = - \frac{2}{7} [/tex]
