直线和圆的方程,过点求圆的切线方程过点A(3,4)的圆(x-2)平方+(y-1)平方=1的切线方程是(c)c.4x-3y=0或x=34x-3y=0我会求了x=3怎样求出来的?斜率不存在?若斜率不存在那么不是y=kx+b么?不应该
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/18 21:34:24
![直线和圆的方程,过点求圆的切线方程过点A(3,4)的圆(x-2)平方+(y-1)平方=1的切线方程是(c)c.4x-3y=0或x=34x-3y=0我会求了x=3怎样求出来的?斜率不存在?若斜率不存在那么不是y=kx+b么?不应该](/uploads/image/z/5259264-24-4.jpg?t=%E7%9B%B4%E7%BA%BF%E5%92%8C%E5%9C%86%E7%9A%84%E6%96%B9%E7%A8%8B%2C%E8%BF%87%E7%82%B9%E6%B1%82%E5%9C%86%E7%9A%84%E5%88%87%E7%BA%BF%E6%96%B9%E7%A8%8B%E8%BF%87%E7%82%B9A%EF%BC%883%2C4%EF%BC%89%E7%9A%84%E5%9C%86%EF%BC%88x-2%EF%BC%89%E5%B9%B3%E6%96%B9%2B%EF%BC%88y-1%EF%BC%89%E5%B9%B3%E6%96%B9%3D1%E7%9A%84%E5%88%87%E7%BA%BF%E6%96%B9%E7%A8%8B%E6%98%AF%EF%BC%88c%EF%BC%89c.4x-3y%3D0%E6%88%96x%3D34x-3y%3D0%E6%88%91%E4%BC%9A%E6%B1%82%E4%BA%86x%3D3%E6%80%8E%E6%A0%B7%E6%B1%82%E5%87%BA%E6%9D%A5%E7%9A%84%3F%E6%96%9C%E7%8E%87%E4%B8%8D%E5%AD%98%E5%9C%A8%3F%E8%8B%A5%E6%96%9C%E7%8E%87%E4%B8%8D%E5%AD%98%E5%9C%A8%E9%82%A3%E4%B9%88%E4%B8%8D%E6%98%AFy%3Dkx%2Bb%E4%B9%88%3F%E4%B8%8D%E5%BA%94%E8%AF%A5)
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