已知直线方程和圆的方程,怎么求弦长?如:圆的方程为(x-2)²+(y+3)²=9 直线方程为x-2y-3=0回答的人要有解答过程,不用太多,明白就行.
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/20 09:47:57
![已知直线方程和圆的方程,怎么求弦长?如:圆的方程为(x-2)²+(y+3)²=9 直线方程为x-2y-3=0回答的人要有解答过程,不用太多,明白就行.](/uploads/image/z/2407546-10-6.jpg?t=%E5%B7%B2%E7%9F%A5%E7%9B%B4%E7%BA%BF%E6%96%B9%E7%A8%8B%E5%92%8C%E5%9C%86%E7%9A%84%E6%96%B9%E7%A8%8B%2C%E6%80%8E%E4%B9%88%E6%B1%82%E5%BC%A6%E9%95%BF%3F%E5%A6%82%3A%E5%9C%86%E7%9A%84%E6%96%B9%E7%A8%8B%E4%B8%BA%28x-2%29%26sup2%3B%EF%BC%8B%EF%BC%88y%EF%BC%8B3%EF%BC%89%26sup2%3B%EF%BC%9D9+%E7%9B%B4%E7%BA%BF%E6%96%B9%E7%A8%8B%E4%B8%BAx%EF%BC%8D2y%EF%BC%8D3%EF%BC%9D0%E5%9B%9E%E7%AD%94%E7%9A%84%E4%BA%BA%E8%A6%81%E6%9C%89%E8%A7%A3%E7%AD%94%E8%BF%87%E7%A8%8B%2C%E4%B8%8D%E7%94%A8%E5%A4%AA%E5%A4%9A%2C%E6%98%8E%E7%99%BD%E5%B0%B1%E8%A1%8C.)
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