Răspunsuri

Cel mai inteligent răspuns!
2014-05-14T12:04:14+03:00
Y²-2y√2+√2=(y-√2)²
4x²+4x+y²-2y√2+2+1=0
(4x²+4x+1) +(y²-2y√2+2)=0
(2x+1)²+(y-√2)²=0
x=-1/2
y=√2