动点P(x,y)满足方程√(x-1)^2+y^2+√(x-4)^2+y^2=3则点P的轨迹是是一条射线点P的轨迹是?怎么算的,答案是是一条射线
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![动点P(x,y)满足方程√(x-1)^2+y^2+√(x-4)^2+y^2=3则点P的轨迹是是一条射线点P的轨迹是?怎么算的,答案是是一条射线](/uploads/image/z/13267267-43-7.jpg?t=%E5%8A%A8%E7%82%B9P%28x%2Cy%29%E6%BB%A1%E8%B6%B3%E6%96%B9%E7%A8%8B%E2%88%9A%28x-1%29%5E2%2By%5E2%2B%E2%88%9A%28x-4%29%5E2%2By%5E2%3D3%E5%88%99%E7%82%B9P%E7%9A%84%E8%BD%A8%E8%BF%B9%E6%98%AF%E6%98%AF%E4%B8%80%E6%9D%A1%E5%B0%84%E7%BA%BF%E7%82%B9P%E7%9A%84%E8%BD%A8%E8%BF%B9%E6%98%AF%EF%BC%9F%E6%80%8E%E4%B9%88%E7%AE%97%E7%9A%84%EF%BC%8C%E7%AD%94%E6%A1%88%E6%98%AF%E6%98%AF%E4%B8%80%E6%9D%A1%E5%B0%84%E7%BA%BF)
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