已知点P(5,0)和圆:x2+y2=16(1)自点P作圆O的切线,求切线的长和切线方程.(2)过点P任意作直线l与圆O交与A、B两点,求弦AB中点的轨迹方程.
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/10 22:51:14
![已知点P(5,0)和圆:x2+y2=16(1)自点P作圆O的切线,求切线的长和切线方程.(2)过点P任意作直线l与圆O交与A、B两点,求弦AB中点的轨迹方程.](/uploads/image/z/5236842-66-2.jpg?t=%E5%B7%B2%E7%9F%A5%E7%82%B9P%EF%BC%885%2C0%EF%BC%89%E5%92%8C%E5%9C%86%EF%BC%9Ax2%2By2%3D16%EF%BC%881%EF%BC%89%E8%87%AA%E7%82%B9P%E4%BD%9C%E5%9C%86O%E7%9A%84%E5%88%87%E7%BA%BF%2C%E6%B1%82%E5%88%87%E7%BA%BF%E7%9A%84%E9%95%BF%E5%92%8C%E5%88%87%E7%BA%BF%E6%96%B9%E7%A8%8B.%282%29%E8%BF%87%E7%82%B9P%E4%BB%BB%E6%84%8F%E4%BD%9C%E7%9B%B4%E7%BA%BFl%E4%B8%8E%E5%9C%86O%E4%BA%A4%E4%B8%8EA%E3%80%81B%E4%B8%A4%E7%82%B9%2C%E6%B1%82%E5%BC%A6AB%E4%B8%AD%E7%82%B9%E7%9A%84%E8%BD%A8%E8%BF%B9%E6%96%B9%E7%A8%8B.)
xUNI,teA,YdS3Fa(XI !?&]SU%H3Ϻ[3Yv?:ݹ~2R5|Vo\ba1owӂ9ﯰZտNPv"\| *#{=@8es^5eiD
n&,.%Q/S$_ws[Fm+t+
i)#ls
VI͌9D(:6?{|9IJ^ĵ!8I%Ӽq!Ƅ^@XƬem~e+m.?O,43BNG%j4\S7r%KtCM4{1d:3w
ڳaNhrpN3F/lфTVSCM9D7بD"҈TBfM$5&!$
76#h'
DrX="X}SXTx'$
:`4vNx.$T<