解题方法
1 . 在
中,点
为
边上一点,满足
,
,
.
(1)求
;
(2)求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a6bf1431434f9ed393c7b58158c96ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d531661ca36319b93dfbc7c6577db98.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f126229945f3b44174b1da04c6fc33b.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/4/bcdb5590-fc9c-44d5-8ff8-b47bbd49f003.png?resizew=175)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2947ca8e0cdbeb4aab80ce9e7b63ba98.png)
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解题方法
2 . 已知函数
与函数
互为反函数,它们的图象关于
对称.若关于
的不等式
恒成立,则实数
的取值范围为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2e621a08099134be54e682f5724ff4d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f1ef60c48133ef312741b64f7c8b04f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d77f5191798242b7b9b88a75e17e4425.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5834c53abdf947de8be2c95455047c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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解题方法
3 . 已知
若
,则
的值域为__________ .若
的值域是
,则实数c的取值范围是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69f5b1bb269aa3fac2dfec1180f19f14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15a783088120d67cc98936081e80fb7f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56cc31fd8c46328d565b6b0bb7f88803.png)
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名校
解题方法
4 . 已知全集
,集合
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57168db125da880c7b27a70555af65a8.png)
(1)求
;
(2)若集合
,且
,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/860ebb6f76cd3cb9a265dfc233002a13.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0165251491a32ebec31df3b1a4f699f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57168db125da880c7b27a70555af65a8.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1effe079f09633c05c5b97a0b1705422.png)
(2)若集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab1dd6b0b695276e85d5db8ea4d8274c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/281b7f1f77b4b82e84f906019acca76f.png)
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2023-12-20更新
|
221次组卷
|
2卷引用:湖北省黄冈市普通高中2023-2024学年高一上学期阶段性教学质量监测数学试题
名校
解题方法
5 . 已知椭圆
:
(
)的焦距为4,且经过点
,过点
且斜率为
的直线
与
轴相交于点
,与椭圆
相交于
,
两点.
(1)求椭圆
的离心率;
(2)若
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d7aea48c44781a844b5c19191f70f61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a0c4c098615c6bc7e6dcf72e5b5201a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f21c7162941d2b54ebafb1795599195.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1b6f209d1a805437046ca6ef79dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93db5cdb21991957dbc89658018f5e24.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
您最近一年使用:0次
2023-12-20更新
|
210次组卷
|
2卷引用:湖北省黄冈市部分高中2023-2024学年高二上学期阶段性教学质量监测数学试题
解题方法
6 . 定义:若函数
在其定义域内存在实数
,使
,则称
是
的一个不动点.已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e2dbe90573a8f5575b7dc72728cd415.png)
(1)若对任意的实数b,函数
恒有两个不动点,求实数a的取值范围;
(2)在(1)的条件下,若
图象上两个点A、B的横坐标是函数
的不动点,且A、B中点C在函数
的图象上,求实数b的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66f66a2b3d90f0d935d6c8ebaf675349.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e2dbe90573a8f5575b7dc72728cd415.png)
(1)若对任意的实数b,函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)在(1)的条件下,若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08758309b0a045e3215a30062dfd041b.png)
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解题方法
7 . 在三棱锥
中,
,
,
,
分别为棱
,
的中点,则异面直线
与
所成的角的余弦值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/891579e7c231584a8e16b8eeff79888e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88a4b27eb78bec148028a07fe5bf0b56.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/341e8dae00f6b2abc94199ccfd6cf180.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f50b3ae183997b707d16eb4e7f6712fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db54223bb3fc2fe2497213a4d1f94827.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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8 . 已知命题
,
,命题
和
是方程
的两个实根,不等式
对任意实数
恒成立;
(1)若命题p为真命题,求实数a的取值范围;
(2)若命题
有且只有一个为真命题,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f746eb8efc0dc5b8f48f7b4c0ebeca8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25f5a883bfdfdb1ff27434e4686d7d5e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5e04d2761ba25e9b3db9f87865b89d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af035663f518ab9d750a430f2308537e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/625413476c10d9fe3ea23cd48b255048.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7d0b997c1c15b764383e9184b78ca64.png)
(1)若命题p为真命题,求实数a的取值范围;
(2)若命题
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0cd5371a6f0f82c65dd22f75f8b807c1.png)
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9 . 设集合
或
,集合
,若
中恰有两个整数,则实数
的取值范围( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2965dcd697de596d4730a70b92738cf1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d2212ca63a0f4cac1086319559aa388.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8786da3ef6106c1e879f52abe648f3e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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解题方法
10 . 已知函数
的定义域为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7b7b68a326dd30b2f01c750a11dd6b9.png)
(1)用单调性的定义证明
在
上是增函数;
(2)若函数
是R上的减函数,且不等式
在
上恒成立,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0aae57f61d1f0cb5dabb40e0a3720c21.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7b7b68a326dd30b2f01c750a11dd6b9.png)
(1)用单调性的定义证明
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d479a86a1711709b2d100fe4daf3e7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8fe868d4152f599a9ae5a0dae150cb0.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5946299ed8f8c741a82c8d920e1e206.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ca9c06bb540e289c131ecfcf4d96952.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11b481c660bea0673fdd7b31679cab53.png)
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