Question

2x-y=0 3x^2-y^2+4=0 решите систему

Answer 1

2x-y=0 3x^2-y^2+4=0 -y=2x y=-2x 3x^2-y^2+4=0 -x^2+4=0 -x^2=4 x^2=-4 x=-2