Question

Решите систему уравнений
y+2x=0
x^2+y^2-6y=0

Answer 1

y=-2x
xˇ2 + (-2x)ˇ2 -6(-2x) =0
xˇ2 +4xˇ2 +12x =0
5xˇ2+12x=0,x(5x+12)=0,
x1 =0, x2 = -12/5
y1 = -2.0=0,y2=-2(-12/5) = 24/5 = 4,8
/0,0/, /-12/5, 24/5/ =/-2,4,, -4,8/

Answer 2

/ = дроб?

Answer 3

Da.