Question

Решить систему уравнений

Answer 1

$left { {{2x^2+3y^2=11} atop {4x^2+6y^2=11x}} right. left { {{-4x^2-6y^2=-11} atop {4x^2+6y^2=11x}} right. +\0=-22+11x\22=11x\x=2\2*2^2+3y^2=11\3y^2=3\y=1\y=-1\(x_1;y_1)=(2;1)\(x_2;y_2)=(2;-1)$