已知x^2+y^2-2x+2y-3=0和5x^2+5Y^2-x+7y-12=0关于直线l对称求l的方程,方程算出圆心分别为(1,-1)与(1/10,-7/10).半径r分别为5和29/10.请问半径不相等如何关于直线对称?
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/06 01:42:15
![已知x^2+y^2-2x+2y-3=0和5x^2+5Y^2-x+7y-12=0关于直线l对称求l的方程,方程算出圆心分别为(1,-1)与(1/10,-7/10).半径r分别为5和29/10.请问半径不相等如何关于直线对称?](/uploads/image/z/1611607-31-7.jpg?t=%E5%B7%B2%E7%9F%A5x%5E2%2By%5E2-2x%2B2y-3%3D0%E5%92%8C5x%5E2%2B5Y%5E2-x%2B7y-12%3D0%E5%85%B3%E4%BA%8E%E7%9B%B4%E7%BA%BFl%E5%AF%B9%E7%A7%B0%E6%B1%82l%E7%9A%84%E6%96%B9%E7%A8%8B%2C%E6%96%B9%E7%A8%8B%E7%AE%97%E5%87%BA%E5%9C%86%E5%BF%83%E5%88%86%E5%88%AB%E4%B8%BA%EF%BC%881%2C-1%EF%BC%89%E4%B8%8E%EF%BC%881%2F10%2C-7%2F10%EF%BC%89.%E5%8D%8A%E5%BE%84r%E5%88%86%E5%88%AB%E4%B8%BA5%E5%92%8C29%2F10.%E8%AF%B7%E9%97%AE%E5%8D%8A%E5%BE%84%E4%B8%8D%E7%9B%B8%E7%AD%89%E5%A6%82%E4%BD%95%E5%85%B3%E4%BA%8E%E7%9B%B4%E7%BA%BF%E5%AF%B9%E7%A7%B0%3F)
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