Question

Решите систему уравнений 5х^2+у^2=36 и 10х^2+2у^2=36х

Answer 1

решение на фото)))))))))

Answer 2

$left { {{5x^2+y^2=36} atop {10x^2+2y^2=36x}} right. \ \ left { {{-10x^2-2y^2=-72} atop {10x^2+2y^2=36x}} right. \ \ -10x^2+10x^2-2y^2+2y^2=-72+36x \ \ 0=-72+36x \ \ -36x=-72 \ \ x=2 \ \ 5*2^2+y^2=36 \ \ y^2=16 \ \ y_1=-4 \ \ y_2=4$

Ответ: (2; -4) и (2; 4)