求圆心在直线2x+y-5=0上,并且经过坐标原点O和点A(3,-1)的圆的方程.已知三角形ABC三边所在直线方程为AB:3x+4y+12=0BC:4x-3y+16=0CA:2x+y-2=0已知双曲线的标准方程为x2/2-y2/5=1,一条直线l经过点A(0,-1)与
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![求圆心在直线2x+y-5=0上,并且经过坐标原点O和点A(3,-1)的圆的方程.已知三角形ABC三边所在直线方程为AB:3x+4y+12=0BC:4x-3y+16=0CA:2x+y-2=0已知双曲线的标准方程为x2/2-y2/5=1,一条直线l经过点A(0,-1)与](/uploads/image/z/7075971-27-1.jpg?t=%E6%B1%82%E5%9C%86%E5%BF%83%E5%9C%A8%E7%9B%B4%E7%BA%BF2x%2By-5%3D0%E4%B8%8A%2C%E5%B9%B6%E4%B8%94%E7%BB%8F%E8%BF%87%E5%9D%90%E6%A0%87%E5%8E%9F%E7%82%B9O%E5%92%8C%E7%82%B9A%EF%BC%883%2C-1%EF%BC%89%E7%9A%84%E5%9C%86%E7%9A%84%E6%96%B9%E7%A8%8B.%E5%B7%B2%E7%9F%A5%E4%B8%89%E8%A7%92%E5%BD%A2ABC%E4%B8%89%E8%BE%B9%E6%89%80%E5%9C%A8%E7%9B%B4%E7%BA%BF%E6%96%B9%E7%A8%8B%E4%B8%BAAB%EF%BC%9A3x%2B4y%2B12%3D0BC%3A4x-3y%2B16%3D0CA%3A2x%2By-2%3D0%E5%B7%B2%E7%9F%A5%E5%8F%8C%E6%9B%B2%E7%BA%BF%E7%9A%84%E6%A0%87%E5%87%86%E6%96%B9%E7%A8%8B%E4%B8%BAx2%2F2-y2%2F5%3D1%2C%E4%B8%80%E6%9D%A1%E7%9B%B4%E7%BA%BFl%E7%BB%8F%E8%BF%87%E7%82%B9A%280%2C-1%29%E4%B8%8E)
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