直线ax+by+c=0与圆x平方+y平方=1相交与A B点,AB向量的模=更号3,则OA的模乘OB的摸=?本人数学较差!尽量不要跳步骤!谢谢!
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/04 13:29:09
![直线ax+by+c=0与圆x平方+y平方=1相交与A B点,AB向量的模=更号3,则OA的模乘OB的摸=?本人数学较差!尽量不要跳步骤!谢谢!](/uploads/image/z/10940699-11-9.jpg?t=%E7%9B%B4%E7%BA%BFax%2Bby%2Bc%3D0%E4%B8%8E%E5%9C%86x%E5%B9%B3%E6%96%B9%2By%E5%B9%B3%E6%96%B9%3D1%E7%9B%B8%E4%BA%A4%E4%B8%8EA+B%E7%82%B9%2CAB%E5%90%91%E9%87%8F%E7%9A%84%E6%A8%A1%3D%E6%9B%B4%E5%8F%B73%2C%E5%88%99OA%E7%9A%84%E6%A8%A1%E4%B9%98OB%E7%9A%84%E6%91%B8%3D%3F%E6%9C%AC%E4%BA%BA%E6%95%B0%E5%AD%A6%E8%BE%83%E5%B7%AE%21%E5%B0%BD%E9%87%8F%E4%B8%8D%E8%A6%81%E8%B7%B3%E6%AD%A5%E9%AA%A4%21%E8%B0%A2%E8%B0%A2%21)
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