Question

determinati numérele x si y daca   x la a 2a+y la a 2a-4x-6y+13=0

Answer 1

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