Răspunsuri

2014-05-03T12:34:44+03:00


x²+y²-4x-6y+13=0

x²-4x+4+y²-6y+9=0

(x-2)²+(y-3)2=0

x-2=0

x=2

y-3=0

y=3

sper ca te-am ajutat

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