直线y=ax+1与圆x^2+y^2-2x-3=0的位置关系是?我的做法是将y=ax+1代入x^2+y^2-2x-3=0中,再判断△是大于还是小于还是等于0,从而判断位置关系.可是答案得出似乎不对.

来源:学生作业帮助网 编辑:作业帮 时间:2024/07/13 06:44:02
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