The solutions of $x^2 + xy + y^2 = 3,\ x^2 - xy + y^2 = 7$ include —

Question

Accepted Answer

$(2, -1),\ (-2, 1),\ (1, -2),\ (-1, 2)$

Answer

$(2, 1),\ (1, 2)$

Answer

$(3, -2),\ (-3, 2)$

Answer

$(0, 0)$

The solutions of x2+xy+y2=3, x2−xy+y2=7x^2 + xy + y^2 = 3,\ x^2 - xy + y^2 = 7x2+xy+y2=3, x2−xy+y2=7 include —