在平面直角坐标系
中,若曲线
(
为常数)过点
,且该曲线在点
处的切线与直线
垂直,则
的值是_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46bb720fc96ec5113eb693fb7d053f90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b660be9b13442912482d55bcc9429b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c32c935806559b1a913a7edb3c804999.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/219ba6c8a1b54598db1a78cab28d9d30.png)
19-20高三上·江苏南通·阶段练习 查看更多[2]
更新时间:2019-11-02 11:24:10
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【推荐1】设函数
, 若存在区间
,使
在
上的值域为
, 则
的取值范围为_______________________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d2fa41f87a55f43dbc392261451ea66.png)
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【推荐2】已知
为常数,函数
,若关于
的方程
有且只有四个不同的解,则实数
的取值所构成的集合为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4887473a8091e1ef53a169cc9f211e3a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c61d411916d2f0d4cf36ef4f85b996.png)
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【推荐1】已知函数
,若对于
图像上的任意一点
,在
的图像上总存在一点
,满足
,且
,则实数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/baca03806be4f4e94e6bc93fd5b14fd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
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【推荐2】直线
与双曲线
的左、右支分别相交于
两点,
为坐标原点,
是双曲线右焦点,若
,则双曲线的离心率为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac02a054bd0771a56987af33454baaea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5ec7fa23be9cbe9a50607ea6bc8a4ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53deda2ba83a7528721d0584a0a8041f.png)
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