" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
1/(x-1)=-2(x-1)/(x-1)
(1+2(x-1))/(x-1)=0
(1+2x-2)/(x-1)=0
(2x-1)/(x-1)=0
2x-1=0
2x=1
x=1/2
dziedzina: R\{1}