1 . 已知
,则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/070be6b8b911597bceaa222710aaf321.png)
A.若![]() ![]() ![]() ![]() |
B.若![]() ![]() ![]() ![]() |
C.若![]() ![]() |
D.若![]() ![]() ![]() ![]() |
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解题方法
2 . 已知椭圆
的左、右焦点分别为
,抛物线
以
为焦点,过
的直线
交抛物线
于
两点,下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/279cefeb5c389a37a71e5fd3925f5954.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e3a1467ecf286e3cadaf5aa006606f2.png)
A.若![]() ![]() | B.当![]() ![]() ![]() |
C.若![]() ![]() ![]() ![]() | D.![]() |
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解题方法
3 . 在平面直角坐标系
中,已知曲线
的方程为
,右顶点为
,倾斜角为
的直线
过点
,且与曲线
相交于
两点.
(1)当
时,求三角形
的面积;
(2)在
轴上是否存在定点
,使直线
与曲线
的左支有两个交点
的情况下,总有
?如果存在,求出定点
;如果不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dad0c75ce33673ec4c425896e8619e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1ef1ff0b6addca3494d762c7602c4e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33ac762a2899a58faa0d3ab44f1281fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c09afc70f448545336304333d5b5658b.png)
(2)在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e57610afd116ab84660c807cc1aa3819.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
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解题方法
4 . 已知
,若
,均有不等式
恒成立,则实数
的取值范围为_____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6bdf8772caa266bda0087cd3c3172bca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/136a003907c455bfd58875c96c138772.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe181d0702abc25b3ce7d2259189ff41.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
您最近一年使用:0次
2024-04-16更新
|
612次组卷
|
3卷引用:贵州省黔西南州部分学校2023-2024学年高三下学期第一次模拟考试数学试卷
5 . 如图所示为直四棱柱
,
,
分别是线段
的中点.
平面
;
(2)求直线BC与平面
所成角的正弦值,并判断线段BC上是否存在点
,使得
平面
,若存在,求出BP的值,若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4384f2eeaf5268a7ebd58b834f70f1e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d409665c497db2fe3c9f43917082ba50.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c18592f89162dc38be6bed491d34051c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8db1db021a0cb0c7f301f6760258689d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2ffc6952e988d04f22f0fb2f7f0ab7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cbef237f3325b0b95a46e8d48124ecec.png)
(2)求直线BC与平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/319ad7c7bdb5c5cfa477eb4f5ea57d2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16194e947c87676431147b8f7bf477b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/319ad7c7bdb5c5cfa477eb4f5ea57d2b.png)
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解题方法
6 . 已知双曲线
的离心率是
,点
在双曲线C上.
(1)求双曲线C的方程;
(2)设
,M为C上一点,N为圆
上一点(
均不在x轴上).直线
的斜率分别记为
,且
,判断:直线
是否过定点?若过定点,求出定点的坐标;若不过定点,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83bf4fd84818abac17a9d21237ac5ce5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2967337e3fcb228dded64ab0c41a17e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d08ac41430f7b0ab56dcbb21363f8f38.png)
(1)求双曲线C的方程;
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0929421a6188c3122442866b0b85a5e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f240cccaf24af8a796abb95cb42be52e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d42cb68c5c877a455ba7ac0a6b6a651.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90963760acac7bfad3ae03088c6c80b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a69dff69575949cb306dc34fdd98733f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
您最近一年使用:0次
2023-04-13更新
|
676次组卷
|
5卷引用:贵州省黔西南州兴义市义龙蓝天学校2023届高三一模数学(理)试题
贵州省黔西南州兴义市义龙蓝天学校2023届高三一模数学(理)试题贵州省黔西南州兴义市义龙蓝天学校2023届高三一模数学(文)试题(已下线)模块八 专题9 以解析几何为背景的压轴解答题(已下线)河北省石家庄市2023届高三质量检测(一)数学试题变式题17-22(已下线)专题08 椭圆双曲线综合大题(9题型)-【巅峰课堂】2023-2024学年高二数学上学期期中期末复习讲练测(人教A版2019选择性必修第一册)
解题方法
7 . 已知函数
(其中e是自然对数的底数),曲线
在点
处的切线方程是
,
.
(1)求a,b;
(2)若
在
上恒成立,求m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/deb6c9234fb9a83f07a937428f237cb6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/150e8e4ca6aa729a72a6a17c36b8ebfe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ef2123278fa0deabcfaf973dac14e2a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7075665faaad222557aa8b6941770f65.png)
(1)求a,b;
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6384364807468e0b75484c01a85a77a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/870ebc2f7aabb028024894568d749934.png)
您最近一年使用:0次