1 . 给定集合
,定义
中所有不同值的个数为集合
两个元素的容量,用
表示.
①若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c79575d2911fe790835bef641962b471.png)
___________ ;
②定义函数
其中
表示不超过
的最大整数,如
,
,当
时,函数
的值域为
,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f3cb8d72bb2e281b943b3b430138ef7.png)
____________ ;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da95b70e1c8b13037f6999c76d129bb0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5a1df9b613ef07dc221b8df9d466fd2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7646e64bdfe73f63d856376e1efb3187.png)
①若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36113af7d0b0b4cf823babb95fb7536d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c79575d2911fe790835bef641962b471.png)
②定义函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36304502dd9ae85a33ed38d59c655ea5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c4f5908d6a1217e493ed7586b6964dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5971b06a0758bb830c4e09a25bb665a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/933ad926785d6302eb8a4eaac35c46cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b52aed199a18e44830cdc233f9a2df98.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89a8274d5be7f2a47d9f8cfc8cbe57b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f3cb8d72bb2e281b943b3b430138ef7.png)
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名校
解题方法
2 . 已知A,B分别是双曲线
的左、右顶点,
是
上异于A,B的一点,直线PA,PB的斜率分别为
,且
.
(1)求双曲线
的方程;
(2)已知过点
的直线
交
于
两点(异于A,B),直线
与直线
交于点
.求证:点
在定直线上.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83bf4fd84818abac17a9d21237ac5ce5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90963760acac7bfad3ae03088c6c80b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e28f20afd167fd4fd8cb1783bd79cce3.png)
(1)求双曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)已知过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8e32f16d75ccb62a04970f861827fca.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/91e1e4115d78e625e9e0f47cdade3286.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
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3 . 若关于
的方程
恰有三个不同的正实数根,则实数
的值可能是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4189c1b83df7aeeb4879a949a4ade853.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.7 | B.![]() | C.8 | D.9 |
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解题方法
4 . 已知函数
.
(1)若函数
的图像在
处的切线与直线
垂直,求
的值并求函数
的极值;
(2)若
恒成立,求证:对任意正整数
,都有
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28f47819cf01439faa440c84af2b8deb.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d06e33d079ac1649ee5eea8f61de7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e8a3365e99f926b1dafa901ab232152.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cce832e0205c54cf2471661e454be4cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10e468312d09c6563c9094b710a35a65.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/623d03a6654de9966bfc7e4017e02869.png)
您最近一年使用:0次
2024-03-25更新
|
251次组卷
|
2卷引用:山西省运城市康杰中学2023-2024学年高三第十九次大型考试数学仿真训练试题
名校
5 . 对于非零向量
,定义变换
以得到一个新的向量.则关于该变换,下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/087fa245e52bb7e2bf59f79fe45741ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea7e4a398ac8f77770e0190468c85a6a.png)
A.若非零向量![]() ![]() |
B.若非零向量![]() ![]() |
C.存在![]() ![]() |
D.设![]() ![]() |
您最近一年使用:0次
2024-03-15更新
|
425次组卷
|
4卷引用:山西省运城市康杰中学2023-2024学年高一下学期第一次月考(4月)数学试题
山西省运城市康杰中学2023-2024学年高一下学期第一次月考(4月)数学试题重庆市巴南区部分学校2023-2024学年高一下学期阶段测试数学试题宁夏吴忠市青铜峡市宁朔中学2023-2024学年高一下学期3月月考数学试题(已下线)6.3.5 平面向量数量积的坐标表示——课后作业(巩固版)
解题方法
6 . 已知
、
是椭圆
的左、右焦点,
是椭圆上的一点,且
,
,则椭圆的离心率
等于______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dd54b9df3402ad91e2d34c40efe0c7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd29aa3bd463abf39a3f63e077abcc28.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93bc530a5190bd4d96ac179e6b817ebb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/168b3e4b1d6f04226fa2687a72a268b4.png)
您最近一年使用:0次
解题方法
7 . 已知
、
是双曲线
的左、右焦点,直线
经过双曲线的左焦点
,与双曲线左、右两支分别相交于
、
两点.
(1)求直线
斜率的取值范围;
(2)若
,求
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c477e5ade921ffa8377c4719319380ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(1)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c83eb5d528de0ec4cc22b6e61479beae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/866b81a8384cce4f24867baca2e6820c.png)
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解题方法
8 . 已知
满足
,且函数
为偶函数,若
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f1c9a9f8b65e75183e7f3e786372736.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65deee8c1b0891e72a60e2775a590016.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1fe17821ea81c6fec60bd5273901bd50.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/196be101149acfb6a6c4ceca7fc96828.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38b85070bee2b940e2a026b4b489ccc8.png)
A.0 | B.1012 | C.2024 | D.3036 |
您最近一年使用:0次
解题方法
9 . 抛物线
的焦点为
,
、
是抛物线上的两个动点,
是线段
的中点,过
作
准线的垂线,垂足为
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37ab7408ffcefcb8e5e1ad4a9c58f1b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12a3efb79f35db8448f3391252ab7d4e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8df332f01628130c084fd46aaca0a4b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
A.若![]() ![]() ![]() ![]() |
B.若![]() ![]() |
C.若![]() ![]() ![]() |
D.若![]() ![]() ![]() |
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解题方法
10 . 以
码的方式在信道内发送
位
码数据流,前
位为信息码,最后一位为奇检验码,使得
位
码数据流中
的个数为奇数,如若信息码为
,则检验码为
,所发送数据流为
.每位
码信号的传输相互独立,发送
时,收到
的概率为
,收到
的概率为
.接收方收到数据后,若数据流中
的个数是偶数个,则数据传输错误,要求重新发送该数据,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09ad629c700b4d376481f8e0f0fdd619.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d91e07104b699c4012be2d26160976a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09ad629c700b4d376481f8e0f0fdd619.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8860d9787671b53b1ab68b3d526f5ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d91e07104b699c4012be2d26160976a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09ad629c700b4d376481f8e0f0fdd619.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a9f167445785292a76a4e70c76470a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9524d82841eef6fdf059c710bea48c67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09ad629c700b4d376481f8e0f0fdd619.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85e9d6bc0df05b17afddeaeb967ffeca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/073d0bb33ed73c05be3956502396b381.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5dd57166a2cb8de2c4d818cd15fc4ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82fc97b0acc21bf52197d5a1e793671a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
A.![]() ![]() ![]() |
B.接收方要求重新发送该数据的概率为![]() |
C.若所接收数据流中![]() ![]() |
D.若所接收数据流中![]() ![]() |
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