解题方法
1 . 已知函数
.
(1)若曲线
在其上一点
处的切线的倾斜角为
,求
的解析式;
(2)若
,不等式
恒成立,求
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/025001679461ff4242a2667ed7d0e80d.png)
(1)若曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0afb80007983e5b99dcdeebf87d18ff4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ef7629fe45bf6af93bb0b6523e3837e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1e5fa72f2878b476bc57f0df12d6555.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22d812643e080d4d447fab7fe2ae2646.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc8010942f8ff56e4826c1e6b0abe6b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44ab7024f73ff0cb7e6a48197538a91e.png)
您最近一年使用:0次
2 . 已知正三棱锥
的三条侧棱长均为
为侧棱
的中点,
,则下列结论正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/891579e7c231584a8e16b8eeff79888e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ba964c27f118895f13672321aebe5f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b4424cb0af429b92e1fc168c4c70de4.png)
A.平面![]() ![]() ![]() |
B.三棱锥![]() ![]() |
C.三棱锥![]() ![]() ![]() |
D.直径为![]() |
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解题方法
3 . 若一个两位正整数
的个位数为6,则称
为“幸运数”.
(1)对任意“幸运数”
,证明:
能被6整除;
(2)已知集合
.
①若
,证明:
;
②若“幸运数”
,则称数对
为“亲密数对”,规定:
,求小于50的“幸运数”中,所有“亲密数对”的
的所有值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(1)对任意“幸运数”
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6b044c1df8d6021eccebd4e9120f232.png)
(2)已知集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45e5dc7f66a23728165409821aaca1b3.png)
①若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcf58d3883bcd6273dc624a0abef69f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d783f369011a6d18f3b14c8d8ed171fb.png)
②若“幸运数”
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a0ac8b620b5eca9daa7276712935ef6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/698c4d4e50062b4a7dd70fe1b4ab4fd7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04e0d26b41dcdbe19680eade8702c0a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8f884759486947e0215402e45ed0a2e.png)
您最近一年使用:0次
名校
解题方法
4 . 已知
是双曲线
的左、右焦点,经过点
的直线与双曲线
的左、右两支分别交于
两点,若
,则双曲线
的离心率为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40f98254a6193566587a70c7d95fdabf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/386d57cde6d7dc21025832bb8fb7202d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ae6f48b9a53c0155a692509cf31f7e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c179101414b92360c81fe8ac40b64a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2024-05-08更新
|
281次组卷
|
2卷引用:河南省郑州市宇华实验学校2023-2024学年高二下学期5月月考数学试题
名校
5 . 如图,已知矩形ABCD的边
,
.点P,Q分别在边BC,CD上,且
,则
的最小值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efc6e4b936d7a800e839a30c3839574d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09d27bd71d79cb19eb554175e4ef0867.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9a2441279907a130e42dec796f5fa63.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc5604d3e156df3e7ccca0ccec9c9d45.png)
您最近一年使用:0次
2024-05-06更新
|
522次组卷
|
5卷引用:河南省郑州市宇华实验学校2023-2024学年高二下学期5月月考数学试题
河南省郑州市宇华实验学校2023-2024学年高二下学期5月月考数学试题江苏省南京市金陵中学2023-2024学年高二下学期4月期中测试数学试题(已下线)专题01 第六章 平面向量-期末考点大串讲(人教A版2019必修第二册)(已下线)第4题 向量坐标化、几何化(高一期末每日一题)(已下线)高一期末模拟数学试卷01 -期末考点大串讲(苏教版(2019))
名校
解题方法
6 . 在函数极限的运算过程中,洛必达法则是解决未定式
型或
型极限的一种重要方法,其含义为:若函数
和
满足下列条件:
①
且
(或
,
);
②在点
的附近区域内两者都可导,且
;
③
(
可为实数,也可为
),则
.
(1)用洛必达法则求
;
(2)函数
(
,
),判断并说明
的零点个数;
(3)已知
,
,
,求
的解析式.
参考公式:
,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/955689923ebe1be46168295644f4a178.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ef9c42b3bfeac3b11f6f2f7c5227967.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e7490f915131bdb436285e3fb284817.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ba30ad5f21a62879bba0aee45b81507.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e530f639eaa27858ed7db451e2ed576.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e4658c5369aa8a25ea8580f524e87da.png)
②在点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf90c83ba8da83994264cb5b8b2f15f4.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56af5e590e8152c9a7ded6209e446ced.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0de3f06b6df7b949c5e6b406a661079f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f32baa7d29934cde8a5203388ed18c6.png)
(1)用洛必达法则求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/782ec35f212cb1448863b4b15e806814.png)
(2)函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/161ab6e6a97905ea5bb2b3fc390ab7d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0704f453b2de48d36911f7db496bbf82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/deda945164283569437cda6976fe35ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(3)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ddd2a1b30b9ad891172f7f21c5a2701.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bc2b7be871fef904c94ef6360ee32bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f385eacc118fe9b5f0c23182929d6a50.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
参考公式:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9005b464218c70a9963452693645cf2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9949db821a880972efbfb32354cd6bd.png)
您最近一年使用:0次
2024-04-24更新
|
757次组卷
|
4卷引用:河南省郑州市宇华实验学校2024届高三下学期5月月考数学试题
名校
解题方法
7 . 若定义在
上的函数
满足
是奇函数,
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e67d1b9ee901bffabdb37c20f6bfcb65.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69b727eb9da56be079445321cf61cf26.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d6e17a16a3531e29643701c3f2d7e8e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/896df31f80127adbae738b3a014bd4e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e67d1b9ee901bffabdb37c20f6bfcb65.png)
您最近一年使用:0次
2024-04-16更新
|
470次组卷
|
2卷引用:河南省郑州市宇华实验学校2024届高三下学期5月月考数学试题
名校
解题方法
8 . 对任意两个非零的平面向量
和
,定义
,若平面向量
,
满足
,
与
的夹角
,且
和
都在集合
中.给出以下命题,其中一定正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2780422eefb9e85b89074a1ba2a159d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/433a8c622b44e1aa29e9989e6978dd7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d842fd0a798f9108f21d0e73176ce589.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a2f4b1178f68bd147d1a2a6acd04435.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c94075193c11fe43f2396cff5a485054.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96ac8dd1bb7beb58f64413604ae0a077.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c5562bd4d1b54424330cb6329cd79d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c94075193c11fe43f2396cff5a485054.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d9425e7b7f83863bf4820c45eb4d716.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26dd6f50f0065bfff0a36ac3d7b8b24d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fa50223d8eabc3a556f7417da1710ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ead88cf60ffbbd798d2e413df25c75a.png)
A.当![]() ![]() |
B.当![]() ![]() |
C.当![]() ![]() ![]() |
D.当![]() ![]() ![]() |
您最近一年使用:0次
名校
解题方法
9 . 过双曲线
的右焦点
的直线分别在第一、第二象限交
的两条渐近线于
两点,且
.若
,则双曲线
的离心率为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ef66f4832adc43902055a7e6d258037.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f450a35efac5725899f2c46959a7b22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48e1e218ee7f59e3409aea32df263471.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
您最近一年使用:0次
2024-04-03更新
|
772次组卷
|
3卷引用:河南省郑州市宇华实验学校2023-2024学年高二下学期3月月考数学试题
10 . 郑州市中原福塔的塔座为鼎,寓意为鼎立中原,从上空俯瞰如一朵盛开的梅花,寓意花开五福,福泽中原,它是美学与建筑的完美融合.绿地中心千玺广场“大玉米”号称中原第一高楼,璀璨繁华的外表下包含浓郁的易学设计理念,流露出馥郁的古香.这两座塔都彰显了中华文化丰富的内涵与深厚的底蕴.小米同学积极开展数学研究性学习,用以下方法测量两座塔的高度.
(1)为测量中原福塔高度,小米选择视野开阔的航海东路上一条水平基线
,使
共线,在
三点用测角仪测得
的仰角分别为
,其中测角仪的高度为
米,为了测量距离,小米骑共享单车,速度为
,从
到
耗时
,从
到
耗时为原来的
倍,求塔高
.(参考数据:取
,
)
,使
三点共线,在
两点用测角仪测得
的仰角分别为
,
,在
处测得
的仰角为
,测角仪高度忽略不计.小米使用智能手机运动测距功能,从河南艺术中心音乐厅入口台阶
处运动到水景露天剧场的
处,测得距离
.
,
,
,
表示塔高
;
②若
,
,
,
米,求千玺广场“大玉米”的实际高度.
(参考数据:取
,
,
)
(1)为测量中原福塔高度,小米选择视野开阔的航海东路上一条水平基线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f1f229274a6e17977cc047814212589.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df2c4f20594ab1443c0d8dcce42895f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df2c4f20594ab1443c0d8dcce42895f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8e3f533b62be4d6f17e949d924f03b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03f9efdececbe3290745c961cf2988c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18722354086c42e62334983fc50eb6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97c01fdc7bc471af0b264a04aef0823e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/049462dc17c95fc83c3a362f09cd0688.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97c01fdc7bc471af0b264a04aef0823e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45035c785ad41695590eff5a9a6c0e6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8020712f738b1059cefe3e64becf08b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67802092c4c9f3b1cff1f9502b7d1ded.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/826c728050e3378921442ace20269ef6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f804d01672d4e1d904368979c3567d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f435efcc7869eec21bdba1ed81dc3f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7053dbf019e52fe3791d764ba6d96b42.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f435efcc7869eec21bdba1ed81dc3f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35d58f9019097bd05037aefd5c322916.png)
②若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3210a2f2bfd010609600bca988f55304.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7600e64cb886417562657da9966a2fac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8dc311b022e50c061cf97195f6706a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6166a4bb8ec20c446499134afb7aa3e8.png)
(参考数据:取
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a2bd823b33b52e016e14da84ca1f4df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac96391cc3bb0e390b1fa563f00deaeb.png)
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