Răspuns
S={0;1;2}
Explicație pas cu pas:
conditiide existenta
fiind ∛E(x), x∈R
∛(x-1) =x-1
fie ∛(x-1)=t
atunci
t=t³
t³-t=0
t(t²-1)=0
t(t-1)(t+1)=0
t=0........∛(x-1)=0....x-1=0.......x=1
t=1.........∛(x-1)=1.....x-1=1......x=2
t=-1........∛(x-1)=-1.....x-1=-1......x=0
S={0;1;2}
