已知点P(0,5)及圆C:x²+y²+4x-12y+24=0,求过P点的圆C的弦的中点Q的轨迹方程.不要用勾股定理或向量,这两个我都会.老师让用一般方法.大概是设出PQ方程,然后与圆方程联立求交点,然后用中点
来源:学生作业帮助网 编辑:作业帮 时间:2024/08/03 22:18:17
![已知点P(0,5)及圆C:x²+y²+4x-12y+24=0,求过P点的圆C的弦的中点Q的轨迹方程.不要用勾股定理或向量,这两个我都会.老师让用一般方法.大概是设出PQ方程,然后与圆方程联立求交点,然后用中点](/uploads/image/z/3776045-5-5.jpg?t=%E5%B7%B2%E7%9F%A5%E7%82%B9P%280%2C5%29%E5%8F%8A%E5%9C%86C%3Ax%26%23178%3B%2By%26%23178%3B%2B4x-12y%2B24%3D0%2C%E6%B1%82%E8%BF%87P%E7%82%B9%E7%9A%84%E5%9C%86C%E7%9A%84%E5%BC%A6%E7%9A%84%E4%B8%AD%E7%82%B9Q%E7%9A%84%E8%BD%A8%E8%BF%B9%E6%96%B9%E7%A8%8B.%E4%B8%8D%E8%A6%81%E7%94%A8%E5%8B%BE%E8%82%A1%E5%AE%9A%E7%90%86%E6%88%96%E5%90%91%E9%87%8F%2C%E8%BF%99%E4%B8%A4%E4%B8%AA%E6%88%91%E9%83%BD%E4%BC%9A.%E8%80%81%E5%B8%88%E8%AE%A9%E7%94%A8%E4%B8%80%E8%88%AC%E6%96%B9%E6%B3%95.%E5%A4%A7%E6%A6%82%E6%98%AF%E8%AE%BE%E5%87%BAPQ%E6%96%B9%E7%A8%8B%2C%E7%84%B6%E5%90%8E%E4%B8%8E%E5%9C%86%E6%96%B9%E7%A8%8B%E8%81%94%E7%AB%8B%E6%B1%82%E4%BA%A4%E7%82%B9%2C%E7%84%B6%E5%90%8E%E7%94%A8%E4%B8%AD%E7%82%B9)
xSR@~tC& $)NKhߠ$7p'RT,Jkul!q+$ &==;,vOiY)RJm|USb>\9Y\٤)h
KCzV#:5C[rCb#Tvc4z6$dH/qNE
=\vWV-wbYZۇBDy!hGM+