(1)×3这一步,你右边没乘3啊两边乘123x²+4y²=123x²+12x²-24x+12=125x²-8x=0x=0,y=√3x=8/5,y=-3√3/5
直接 把②代入①可求出x的值x^2/4+[-√3(x-1)]^2/3=1x^2/4+(x^2-2x+1)=15x^2/4-2x=0x(5x/4-2)=0x=0 or x=8/5把x=0 or x=8/5代入②得x=0, y=√3x=8/5, y=-3√3/5