Am nevoie de ex 5.Va. Multumesc

Am Nevoie De Ex 5Va Multumesc class=

Răspuns :

4x^2-4x+1+9y^2+12y+4=(2x-1)^2+(3y+2)^2
2x-1=0
x=1/2
3y+2=0
y=-2/3
Varianta A