抛物线y=x²与过点P(-1,-1)的直线l交于P1、P2两点.求在线段P1P2上满足条件1/PP1+1/PP2=2/PQ的点Q的轨迹方程.看不懂题目的见图http://hiphotos.baidu.com/%D1%A9%C9%BD%BD%A3%BF%CDty/pic/item/14ba2dea3d6d55fb6eeef7936d224
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/05 19:26:05
![抛物线y=x²与过点P(-1,-1)的直线l交于P1、P2两点.求在线段P1P2上满足条件1/PP1+1/PP2=2/PQ的点Q的轨迹方程.看不懂题目的见图http://hiphotos.baidu.com/%D1%A9%C9%BD%BD%A3%BF%CDty/pic/item/14ba2dea3d6d55fb6eeef7936d224](/uploads/image/z/10194534-54-4.jpg?t=%E6%8A%9B%E7%89%A9%E7%BA%BFy%3Dx%26%23178%3B%E4%B8%8E%E8%BF%87%E7%82%B9P%28-1%2C-1%29%E7%9A%84%E7%9B%B4%E7%BA%BFl%E4%BA%A4%E4%BA%8EP1%E3%80%81P2%E4%B8%A4%E7%82%B9.%E6%B1%82%E5%9C%A8%E7%BA%BF%E6%AE%B5P1P2%E4%B8%8A%E6%BB%A1%E8%B6%B3%E6%9D%A1%E4%BB%B61%2FPP1%2B1%2FPP2%3D2%2FPQ%E7%9A%84%E7%82%B9Q%E7%9A%84%E8%BD%A8%E8%BF%B9%E6%96%B9%E7%A8%8B.%E7%9C%8B%E4%B8%8D%E6%87%82%E9%A2%98%E7%9B%AE%E7%9A%84%E8%A7%81%E5%9B%BEhttp%3A%2F%2Fhiphotos.baidu.com%2F%25D1%25A9%25C9%25BD%25BD%25A3%25BF%25CDty%2Fpic%2Fitem%2F14ba2dea3d6d55fb6eeef7936d224)
xT]OA+&fv:V$|вHMvߠA( /ikIѠ-XKݏ_.`gMLvg=Mƈ^>xsK5حWhk%GʲW'vnw4}qI#v6jɱv>=HӰȾJ6ɚvKmp#6֦Z+{&+,9l>oGh6gbTNC MD =O-dfP.CXII
C`6=dÉ!%~_ H