(文科.6)已知抛物线y²=2px(p>0)的焦点F且倾斜角为60°的直线l与抛物线在第一、四象限分别交于A、B两点,则|AF|/|BF|的值为()A,5 B.4 C.3 D.2PS:该题答案为C项,参考解释为:由题意设直线
来源:学生作业帮助网 编辑:作业帮 时间:2024/08/28 09:42:59
![(文科.6)已知抛物线y²=2px(p>0)的焦点F且倾斜角为60°的直线l与抛物线在第一、四象限分别交于A、B两点,则|AF|/|BF|的值为()A,5 B.4 C.3 D.2PS:该题答案为C项,参考解释为:由题意设直线](/uploads/image/z/6043978-10-8.jpg?t=%EF%BC%88%E6%96%87%E7%A7%91.6%EF%BC%89%E5%B7%B2%E7%9F%A5%E6%8A%9B%E7%89%A9%E7%BA%BFy%26%23178%3B%3D2px%EF%BC%88p%EF%BC%9E0%EF%BC%89%E7%9A%84%E7%84%A6%E7%82%B9F%E4%B8%94%E5%80%BE%E6%96%9C%E8%A7%92%E4%B8%BA60%C2%B0%E7%9A%84%E7%9B%B4%E7%BA%BFl%E4%B8%8E%E6%8A%9B%E7%89%A9%E7%BA%BF%E5%9C%A8%E7%AC%AC%E4%B8%80%E3%80%81%E5%9B%9B%E8%B1%A1%E9%99%90%E5%88%86%E5%88%AB%E4%BA%A4%E4%BA%8EA%E3%80%81B%E4%B8%A4%E7%82%B9%2C%E5%88%99%7CAF%7C%2F%7CBF%7C%E7%9A%84%E5%80%BC%E4%B8%BA%EF%BC%88%EF%BC%89A%2C5+B.4+C.3+D.2PS%EF%BC%9A%E8%AF%A5%E9%A2%98%E7%AD%94%E6%A1%88%E4%B8%BAC%E9%A1%B9%2C%E5%8F%82%E8%80%83%E8%A7%A3%E9%87%8A%E4%B8%BA%EF%BC%9A%E7%94%B1%E9%A2%98%E6%84%8F%E8%AE%BE%E7%9B%B4%E7%BA%BF)
xTKoW+D*PRL*vJU:jQa$T6$_pl' R
YBJ]U̽{s 6N+i.\M5XfMO>U Z%[LFY"V߮ĥqLDz/Oj)slKp!c"WR4J#
>ІO~{\}\]suKDCRh\3'ukP4y{w?c-Á{xUhe.rP"3u|A$8
| g$y
]D˷"C[Y)+="hA)R >\F(I*n!8K" E]8ՋBJ9}m"dNT{vv/@$9ְ.!UR_#gjdl-%$3iqs_ީIiiAwjQ0;e4$qJ0H[h9L&