Question

помогите решить 3 и 5 уравнения

Answer 1

$3.;5^{x-9} textgreater 1\5^{x-9} textgreater 5^0\x-9 textgreater 0\x textgreater 9\\5.;5^x textgreater sqrt[3]{625}\5^x textgreater (625)^{frac13}\5^x textgreater (5^4)^{frac13}\5^x textgreater 5^{frac43}\x textgreater frac43\x textgreater 1frac13$