Răspunsuri

2014-06-06T22:28:25+03:00
X²-6x+9+4y²+4y+1 ≤0

(x-3)²+(2y+1)² ≤0

x-3 =0  2y-1=0
x=3     2y=1
              y=1/2
1 5 1