Question

помогите пожалуйста

Answer 1

$left { {{x^2+y^2=41} atop {y^2-x^2=-9}} right. ; oplus ; left { {{2y^2=32} atop {y^2-x^2=-9}} right. ; left { {{y^2=16} atop {16-x^2=-9}} right. ; left { {{y=pm 4} atop {x^2=25}} right. ; left { {{y=pm 4} atop {x=pm 5}} right. \\Otvet:; ; (4,; 5),; (4,; -5),; (-4,; 5),; (-4, ; -5); .$