решите неравенство 3/(2^(2-x^2)-1)^2-4/(2^(2-x^2)-1)+1>=0

2^(2-x²)-1=a3/a²-4/a +1≥0(3-4a+a²)/a²≥0a²-4a+3=0a1+a2=4 U a1*a2=3⇒a1=1 U a2=3a²=0⇒a=0         +          +               _                 +------------(0)--------[1]-------------[3]-----------------1)a<0 ⇒2^(2-x²)-1<0⇒2^(2-x²)<1⇒2-x²<0⇒x∈(-√2;√2)2)0<2^(2-x²)-1≤1{2^(2-x²)-1>0⇒2^(2-x²)>1⇒2-x²>0⇒x<-√2 U x>√2{2^(2-x²)-1≤1⇒2^(2-x²)≤2⇒2-x²≤1⇒1-x²≤0⇒x≤-1 U x≥1x∈(-∞;-√2) U (√2;∞)3)a≥3⇒2^(2-x²)-1≥3⇒2^(2-x²)≥4⇒2-x²≥2⇒x²≤0⇒x=0Ответ x∈ (-∞;-√2) U (-√2;√2) U (√2;∞)