" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
II
Z I i II
IxI≥2
-(x-4)(x+4)>0
x∈(-∞,-2>u<2,+∞) ∧ x∈(-4,4)
część wspólna to
x∈(-4;-2> u <2;4)