AB是圆O,:=16且AB=6,若以AB的长为直径的圆M恰过C(1,-1),求圆心M的轨迹方程.本来原点到M的距离应该是根号下16-9=根号7 所以设M(x1,y1)x1^2+y1^2=7圆M(x-x1)^2+(y-y1)^2=9过C(1,-1)不就求出M的坐标了,
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![AB是圆O,:=16且AB=6,若以AB的长为直径的圆M恰过C(1,-1),求圆心M的轨迹方程.本来原点到M的距离应该是根号下16-9=根号7 所以设M(x1,y1)x1^2+y1^2=7圆M(x-x1)^2+(y-y1)^2=9过C(1,-1)不就求出M的坐标了,](/uploads/image/z/10886598-54-8.jpg?t=AB%E6%98%AF%E5%9C%86O%2C%EF%BC%9A%3D16%E4%B8%94AB%3D6%2C%E8%8B%A5%E4%BB%A5AB%E7%9A%84%E9%95%BF%E4%B8%BA%E7%9B%B4%E5%BE%84%E7%9A%84%E5%9C%86M%E6%81%B0%E8%BF%87C%281%2C-1%29%2C%E6%B1%82%E5%9C%86%E5%BF%83M%E7%9A%84%E8%BD%A8%E8%BF%B9%E6%96%B9%E7%A8%8B.%E6%9C%AC%E6%9D%A5%E5%8E%9F%E7%82%B9%E5%88%B0M%E7%9A%84%E8%B7%9D%E7%A6%BB%E5%BA%94%E8%AF%A5%E6%98%AF%E6%A0%B9%E5%8F%B7%E4%B8%8B16-9%3D%E6%A0%B9%E5%8F%B77+%E6%89%80%E4%BB%A5%E8%AE%BEM%EF%BC%88x1%2Cy1%EF%BC%89x1%5E2%2By1%5E2%3D7%E5%9C%86M%EF%BC%88x-x1%EF%BC%89%5E2%2B%28y-y1%29%5E2%3D9%E8%BF%87C%EF%BC%881%2C-1%EF%BC%89%E4%B8%8D%E5%B0%B1%E6%B1%82%E5%87%BAM%E7%9A%84%E5%9D%90%E6%A0%87%E4%BA%86%2C)
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