Question

решите неравенство log1/5(x)<log1/5(8)​

Answer 1

$log_{1/5}\, x<log_{1/5}\, 8\; \; ,\; \; \; \; ODZ:\; x>0\\\\0<\frac{1}{5}<1\; \; \; \Rightarrow \; \; \; x>8\\\\Otvet:\; \; x\in (8;+\infty )\; .$