Question

Решить неравенство: $( frac{1}{256} )^{ frac{1}{x} } geq frac{1}{64}$

Answer 1

$2^{- frac{8}{x}} geq 2^{-6} \ frac{8}{x} leq 6 \ frac{4}{x} leq 3 \ frac{4-3x}{x} leq 0 \ frac{3x-4}{x} geq 0\ x in (-infty; 0) cup [ frac{4}{3}; +infty)$