(log(0,5)x)²-4log(0,5)x+3>0 ОДЗ x>0 log(0,5)x=a a²-4a+3>0 a1+a1=4 U a1*a2=3⇒a1=1 U a2=3 + _ + __________________________________ 1 3 a<1⇒log(0,5)x<1⇒x>0,5 a>3⇒log(0,5)x>3⇒x<0,125<br>x∈(0;0,125) U (0,5;∞)