直线x+2y+1=0被圆(x-2)^2+(y-1)^2=9所截得的线段长等于( )直线x+2y+1=0被圆(x-2)*(x-2)+(y-1)*(y-1)=9所截得的线段长等于( )谁能步骤写的详细一点.有什么公式 都写上去
来源:学生作业帮助网 编辑:作业帮 时间:2024/09/06 20:05:01
![直线x+2y+1=0被圆(x-2)^2+(y-1)^2=9所截得的线段长等于( )直线x+2y+1=0被圆(x-2)*(x-2)+(y-1)*(y-1)=9所截得的线段长等于( )谁能步骤写的详细一点.有什么公式 都写上去](/uploads/image/z/12638794-58-4.jpg?t=%E7%9B%B4%E7%BA%BFx%2B2y%2B1%3D0%E8%A2%AB%E5%9C%86%28x-2%29%5E2%2B%28y-1%29%5E2%3D9%E6%89%80%E6%88%AA%E5%BE%97%E7%9A%84%E7%BA%BF%E6%AE%B5%E9%95%BF%E7%AD%89%E4%BA%8E%28+%29%E7%9B%B4%E7%BA%BFx%2B2y%2B1%3D0%E8%A2%AB%E5%9C%86%28x-2%29%2A%28x-2%29%2B%28y-1%29%2A%28y-1%29%3D9%E6%89%80%E6%88%AA%E5%BE%97%E7%9A%84%E7%BA%BF%E6%AE%B5%E9%95%BF%E7%AD%89%E4%BA%8E%28+%29%E8%B0%81%E8%83%BD%E6%AD%A5%E9%AA%A4%E5%86%99%E7%9A%84%E8%AF%A6%E7%BB%86%E4%B8%80%E7%82%B9.%E6%9C%89%E4%BB%80%E4%B9%88%E5%85%AC%E5%BC%8F+%E9%83%BD%E5%86%99%E4%B8%8A%E5%8E%BB)
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