Решите неравенство 2^2x+1 - 5 * 2^x + 2 >= 0

2^x=a2a²-5a+2≥0D=25-16=9a1=(5-3)/4=1/2a2=(5+3)/4=2a≤1/2⇒2x≤1/2⇒x≤-1a≥2⇒26x≥2⇒x≥1x∈(-∞;-1] u [1;∞)