" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
5|x-1|-10≠0
dzielimy przez 5
|x-1|-2≠0
|x-1|≠2
x≠3 i x≠-1
zatem D=R\{-1,3}