Exercițiul 13 și 14
Help!

Ex.13
(x-1)^2+(y-2)^2=0 x+y=0
(x-1)^2=0 x-1=0
(y-2)^2=0 y-2=0
{(0+3);(1+2);(2+1);(3+0)}=3
(x;y)={(0+3);(1+2);(2+1);(3+0)}
______________________
(1-1)^2=0^2=0 x=1
(2-2)^2=0^2=0 y=2
1+2=3
Ex.14
(a+2)^2+(b-1)^2=0 (a+b)^100+b^100
(a+2)^2=0 a+2=0
(b-1)^2=0 b-1=0
___________________
(-2+2)^2=0^2=0 a=-2
(1-1)^2=0^2=0 b=1
(-2+1)^100+1^100=(-1)^100+1^100=1+1=2
Succes!!!