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ID:47126693
大小:1.62 MB
页数:10页
时间:2019-08-09
《第十讲 圆锥曲线(二)双曲线》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、翰林院教育内部讲义第十讲圆锥曲线二(双曲线)一【考点提示】(一)定义:1.第一定义:__________________________________________________________________________________________________2.第二定义:__________________________________________________________________________________________________(二)方程:标准方程:________________________________
2、__________________________________________________________________(三)性质:1.范围:________________________________________________2.离心率:__________________________________________________________________________________________________3.准线:_________________________________________________4.焦半径
3、:__________________________________________________________________________________________________5.通径:_________________________________________________6.焦准距:_______________________________________________7.切线方程:________________________________________________8.弦长公式:____________________
4、____________________________9.特殊三角形:______________________________________________________________________________________________________________________________________________(四)点与双曲线的位置关系:________________________________________________________________________________________________
5、__9全力以赴,用拼的精神创造奇迹!翰林院教育内部讲义(五)焦点三角形:1.顶角:_________________________________________________2.焦点三角形面积:_________________________________________(六)共轭双曲线:__________________________________________________________________________________________________________________________________________
6、_________(七)等轴双曲线___________________________________________________________________________________________________________________________________________________(八)双曲线的渐近线1.双曲线渐近线的求法_________________________________________________2.共渐近线双曲线设法___________________________________________
7、______3.渐近线与离心率的关系_________________________________________________(九)常见做法和结论:1.双曲线焦点位置不确定,如何设方程:_________________________________________________2.与共焦点的双曲线:_________________________________________________3.双曲线的切线问题以及直线与双曲线只有一个交点的判断?______________________________________
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