Răspunsuri

2014-07-17T12:33:02+03:00
X² -6√2 x+y²+4y+22=0

x² -6x√2 +18+ y²+4y+4=0

(x-2√3)²+(y+2)²=0

x-2√3=0   ∧ y+2=0
x=2√3          y= -2