已知关于t的一元二次方程t^2+(2+i)t+2xy+(x-y)i=0(x,y∈R)(1)当方程有实数根求点(x,y)的轨迹方程(2)求方程实根的取值范围
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![已知关于t的一元二次方程t^2+(2+i)t+2xy+(x-y)i=0(x,y∈R)(1)当方程有实数根求点(x,y)的轨迹方程(2)求方程实根的取值范围](/uploads/image/z/4030967-47-7.jpg?t=%E5%B7%B2%E7%9F%A5%E5%85%B3%E4%BA%8Et%E7%9A%84%E4%B8%80%E5%85%83%E4%BA%8C%E6%AC%A1%E6%96%B9%E7%A8%8Bt%5E2%2B%282%2Bi%29t%2B2xy%2B%28x-y%29i%3D0%28x%2Cy%E2%88%88R%EF%BC%89%EF%BC%881%EF%BC%89%E5%BD%93%E6%96%B9%E7%A8%8B%E6%9C%89%E5%AE%9E%E6%95%B0%E6%A0%B9%E6%B1%82%E7%82%B9%EF%BC%88x%2Cy%29%E7%9A%84%E8%BD%A8%E8%BF%B9%E6%96%B9%E7%A8%8B%EF%BC%882%EF%BC%89%E6%B1%82%E6%96%B9%E7%A8%8B%E5%AE%9E%E6%A0%B9%E7%9A%84%E5%8F%96%E5%80%BC%E8%8C%83%E5%9B%B4)
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