名校
解题方法
1 . 已知定义在
上的函数
满足
,且
,若
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df1ba677dc12c5304da89bc2e95dd4e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2ca2e66c203f9aab0b30cf06e72d7db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a23437d77a112dc274b70dd0295bf723.png)
A.![]() | B.![]() ![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2024-06-11更新
|
662次组卷
|
3卷引用:辽宁省葫芦岛市协作校2023-2024学年高三下学期第一次考试数学试卷
2 . 已知函数
,
,若关于x的方程
有三个不同实数根,则实数t的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff003550d99ab3862156a75df7f18521.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/601089d902cdde95507fb4db1af1823d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5388b496b66261c9f8fbc9e741ea73e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
3 . 设数阵
,其中
.设![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac98f22d559df85afd6cde2122982c1b.png)
,其中
,
且
.定义变换
为“对于数阵的每一列,若其中有t或
,则将这一列中所有数均保持不变;若其中没有t且没有
,则这一列中每个数都乘以
”(
),
表示“将
经过
变换得到
,再将
经过
变换得到
,…,以此类推,最后将
经过
变换得到
.记数阵
中四个数的和为
.
(1)若
,
,写出
经过
变换后得到的数阵
,并求
的值;
(2)若
,
,求
的所有可能取值的和;
(3)对任意确定的一个数阵
,证明:
的所有可能取值的和不大于
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd0a32496c35c7a9ec330bdd02808829.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d989c2c5a405c4d9a20e470f5bd96ab3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac98f22d559df85afd6cde2122982c1b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44f8daacbdbb8b2ff092d4c56057c729.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a96b51fbf91d105af6afbd5b2966185a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b08c58baacec3cd0c0a06e267fa9ec5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c88248a34d270530f9d01570a911878.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4e93d044f7bde4330e206b4edd2bd06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97add95cc99b7846691dbdd91ef0f3bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97add95cc99b7846691dbdd91ef0f3bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acbc6a613224461ade69362d46550474.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34b2c2aa49dc4520fcc7fe01f1776301.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ad42dbc5fa989573d079ff58c9bd837.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd680d9d3352bfe69d373054ab106a0d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc9e38f3101bb9a37b307ce245c57b73.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/096b1ece1dcd29c59a46a4b3e02cb548.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/096b1ece1dcd29c59a46a4b3e02cb548.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/841f2788fc89aafb399653dcf5c373c4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5031a3a951c4a1d1c5e9f80a5e26513.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3233aed5e30e9988e1676b4392dd4dab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a6254dbc0b14828d000e1901ae21eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9cce113f874ea096ee027d0c7d2ad27.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9cce113f874ea096ee027d0c7d2ad27.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ca99f73e0e80bfa74b06d4d28ed09c4.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d21f1d68a3e838d14d000d02301ce78c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e39979f11a0fd0a8d9d726a1b48260f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd680d9d3352bfe69d373054ab106a0d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7df1d9b712b639c8b6809c9f3ae03706.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/096b1ece1dcd29c59a46a4b3e02cb548.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ca99f73e0e80bfa74b06d4d28ed09c4.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d21f1d68a3e838d14d000d02301ce78c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07225d468ccf6abe4f258d74cd8ba08f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ca99f73e0e80bfa74b06d4d28ed09c4.png)
(3)对任意确定的一个数阵
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd680d9d3352bfe69d373054ab106a0d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ca99f73e0e80bfa74b06d4d28ed09c4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6b9a5f1362c12e1ea8f6fc0d9d787ac.png)
您最近一年使用:0次
4 . 已知函数
,则
的最大值是__________ ;若
在
上恰有3个零点,则
的取值范围是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b65f112bb8bdb261f3d8a77faacb0928.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1613d377a07850c72cbec354b7a3000f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
您最近一年使用:0次
解题方法
5 . 已知质数
,且曲线
在点
处的切线方程为
.
(1)求m的值;
(2)证明:对一切
,都有
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14e2da4647a9925ccc924b0f9f3b40ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ea9824af71c9da5db5a00ec06063024.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba8eb06f527d4201b93636710c62d461.png)
(1)求m的值;
(2)证明:对一切
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6e2e79843faf62dde86bf858d1e0569.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92222bd1bfa79c6082eea07ced5a98ef.png)
您最近一年使用:0次
2024-05-14更新
|
463次组卷
|
2卷引用:辽宁省葫芦岛市协作校2023-2024学年高三下学期第一次考试数学试卷
名校
解题方法
6 . 已知双曲线G的中心为坐标原点,离心率为
,左、右顶点分别为
,
.
(1)求
的方程;
(2)过右焦点
的直线l与G的右支交于M,N两点,若直线
与
交于点
.
(i)证明:点
在定直线上:
(ii)若直线
与
交于点
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d59ab85c075a09d55d69e159e4abb268.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/586d6b7a54a256cb0ecd0ea2d8262f6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69fff64ee6ea236550185efc7ed1b598.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
(2)过右焦点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d50703c46b6153945d718b198f03b4b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7785afeeaf274892253d04b4f693b367.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
(i)证明:点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
(ii)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f50b3ae183997b707d16eb4e7f6712fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e69d2b798744645af88a4fa411344a83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d44ce1d330a34bf5b88efbe7a6b327f7.png)
您最近一年使用:0次
2024-04-17更新
|
1194次组卷
|
2卷引用:辽宁省葫芦岛市2024届高三下学期第一次模拟数学试题
解题方法
7 . 已知定义域为R的函数
,满足
,且
,
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e2699b3cc8cd40bb4865665dd47c5fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/324286813887f7274192afcc3ab5a896.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a431537df789febf4bc45e3dc23cefaf.png)
A.![]() | B.![]() ![]() |
C.![]() | D.![]() |
您最近一年使用:0次
名校
解题方法
8 . 已知
为圆
上动点,直线
和直线
(
,
)的交点为
,则
的最大值是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1847305625d68bef7f06d13a6a11184.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b76400477bbd3432c64e408b6fb3f89d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c9d62b35e90620e183e781643356c4d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba1c18d47903d245c47bdaf373980fad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43db2c39601a998aeba8f76419fb30c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2024-03-21更新
|
1069次组卷
|
5卷引用:辽宁省葫芦岛市2024届高三下学期第一次模拟数学试题
辽宁省葫芦岛市2024届高三下学期第一次模拟数学试题河南省信阳市信阳高级中学2024届高三高考模拟预测(十三)数学试题河南省信阳市新县高级中学2024届高三下学期适应性考试(十)数学试题(已下线)专题3 学科素养与综合问题(单选题8)(已下线)专题2 与圆有关的最值问题【练】(压轴小题大全)
9 . 某机器有四种核心部件A,B,C,D,四个部件至少有三个正常工作时,机器才能正常运行,四个核心部件能够正常工作的概率满足为
,
,且各部件是否正常工作相互独立,已知
,设
为在
次实验中成功运行的次数,若
,则至少需要进行的试验次数为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2fd0129b4e654a99a94f7e3ded77a37.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fccf604219eaa58dbfc99ddeae091b98.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed49735005eaa5f98d4406a337f0a996.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f022950e0faa45b617d497b01b5292b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb95dd39049f4660abcc5cb8cddd87ff.png)
您最近一年使用:0次
10 . 如图,
为等腰直角三角形,斜边上的中线
为线段
中点,将
沿
折成大小为
的二面角,连接
,形成四面体
,若
是该四面体表面或内部一点,则下列说法正确的是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/3/b2e57937-d128-486b-84ac-27a818b0bb3d.png?resizew=165)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47208541b948772c2ddf0c11ef162b1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d49f8a63ddbca52039fa9ab44cda6b29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3931333820859378ea6723ff3075189.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/3/b2e57937-d128-486b-84ac-27a818b0bb3d.png?resizew=165)
A.若点![]() ![]() ![]() ![]() ![]() |
B.若直线![]() ![]() ![]() ![]() ![]() |
C.若点![]() ![]() ![]() ![]() ![]() |
D.若点![]() ![]() ![]() ![]() ![]() |
您最近一年使用:0次