已知圆C过点P(1,1),且与圆(x+3)^2+(y+3)^2=r^2关于直线x+y+3=0对称 [ 标签:x+3,y+3,直线 ] 1问,求圆C方程 2问,设Q为圆C上的一个动点,求向量PQ乘以向量MQ的最小值 3问(我不会)过P做两条相异直线与圆C
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/30 18:49:50
![已知圆C过点P(1,1),且与圆(x+3)^2+(y+3)^2=r^2关于直线x+y+3=0对称 [ 标签:x+3,y+3,直线 ] 1问,求圆C方程 2问,设Q为圆C上的一个动点,求向量PQ乘以向量MQ的最小值 3问(我不会)过P做两条相异直线与圆C](/uploads/image/z/13770705-57-5.jpg?t=%E5%B7%B2%E7%9F%A5%E5%9C%86C%E8%BF%87%E7%82%B9P%281%2C1%29%2C%E4%B8%94%E4%B8%8E%E5%9C%86%EF%BC%88x%2B3%29%5E2%2B%28y%2B3%29%5E2%3Dr%5E2%E5%85%B3%E4%BA%8E%E7%9B%B4%E7%BA%BFx%2By%2B3%3D0%E5%AF%B9%E7%A7%B0+%5B+%E6%A0%87%E7%AD%BE%EF%BC%9Ax%2B3%2Cy%2B3%2C%E7%9B%B4%E7%BA%BF+%5D+1%E9%97%AE%2C%E6%B1%82%E5%9C%86C%E6%96%B9%E7%A8%8B+2%E9%97%AE%2C%E8%AE%BEQ%E4%B8%BA%E5%9C%86C%E4%B8%8A%E7%9A%84%E4%B8%80%E4%B8%AA%E5%8A%A8%E7%82%B9%2C%E6%B1%82%E5%90%91%E9%87%8FPQ%E4%B9%98%E4%BB%A5%E5%90%91%E9%87%8FMQ%E7%9A%84%E6%9C%80%E5%B0%8F%E5%80%BC+3%E9%97%AE%EF%BC%88%E6%88%91%E4%B8%8D%E4%BC%9A%EF%BC%89%E8%BF%87P%E5%81%9A%E4%B8%A4%E6%9D%A1%E7%9B%B8%E5%BC%82%E7%9B%B4%E7%BA%BF%E4%B8%8E%E5%9C%86C)
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