Решите уравнение: (log(2 , x))^2 + 3log(0,5 , x) + 2 = 0
Log²(2)x-3log(2)x+2=0 log(2)x=a a²-3a+2=0 a1+a2=3 U a1*a2=2 a1=1⇒log(2)x=1⇒x=2 a2=2⇒log(2)x=2⇒x=4