Question

решите неравенство 1/7^1/4-3x≥(1/7)^1/3-4x

Answer 1

$( frac{1}{7})^{ frac{1}{4}-3x} geq ( frac{1}{7})^{ frac{1}{3}-4x}\\ frac{1}{4}-3x leq frac{1}{3}-4x\4x-3x leq frac{1}{3}- frac{1}{4}\x leq frac{1}{12} \xin(-infty; frac{1}{12}]$