Question

1) (x - y)^2 + (y - 3)^2 = 0;
2) (3x - y + 1)^2 + x^2 - 4xy + 4y^2 = 0;
3) |2x - 4y - 10| + (3x + y - 1)^2 = 0.

Answer 1

Ответ:

1) (x - y)^2 + (y - 3)^2 = 0

x^2-2xy+2y^2-6y+9=0

y=1/2(√-x^2+6x-9+x+3)

x=3

y=3

dx(y)/dy=3+x-2y/x-y

dy(x)/dx=x-y/3+x-2y

Объяснение: