Question

Решите неравенство(1 1/5)в степени X меньше 5/6

Answer 1

$(1 frac{1}{5} )^x textless frac{5}{6} \\ (frac{6}{5} )^x textless frac{5}{6} \\ (frac{6}{5} )^x textless (frac{6}{5})^{-1} \\ frac{6}{5} textgreater 1 rightarrow\ x textless -1\ xin (-infty; -1)$