名校
解题方法
1 . 已知x,y都是正数,且
.
(1)求
的最小值;
(2)已知不等式
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04645353d91a5beb6d02c06bb62683a9.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1fc838e1477179b36ca7481ee2cc1e8.png)
(2)已知不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44f57eae0a88b859a8f00b309f558368.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
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解题方法
2 . 已知
,
,且![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d676a58fa4d7c4e8985b85c033495c7a.png)
(1)求
的最大值;
(2)求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67ca5fd57c2c2fcc3c7a574fdd1467d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d676a58fa4d7c4e8985b85c033495c7a.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18f0281e6bbdbe08beeccb55adf84536.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f7266b2ef457b8ddeee3fa2cc24022e.png)
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名校
3 . 已知集合
,集合
.
(1)当
时,求
;
(2)设
,
,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23cea2daea2a00ad346fbbf8a908e8f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f09ed6f530ca1a0055c99236b49cf1f.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b05d2be27e8f53e4de3071846dffb41.png)
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名校
解题方法
4 . 已知函数
是增函数,且
.
(1)若
,
,求
的最小值;
(2)是否存在实数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/280860dd039e1305a5ccc455f63e8223.png)
,使得当
时,函数
的最小值恰为
,而最大值恰为
?若存在,求出
的值;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e865711fc88c1871452f1f12076c534.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69e5e69fb32ec266ef16839f55e339c5.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ed36b061ed9341df142319ca9f4fb3e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46a9a5af7b4a506d670ca5c382050694.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ccbdec1dce6366439e5cdf0a137fa5a.png)
(2)是否存在实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/280860dd039e1305a5ccc455f63e8223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/475963eea170ff0bbdaf2f0b706dfc34.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe276c0522839b1d37086d92612aa7c4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d023b25a30df94a1f5b50281f37fe5fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68f59220c67431fd6515ef2297c9836c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/280860dd039e1305a5ccc455f63e8223.png)
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解题方法
5 . 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
6 . 一个袋子中有4个红球,6个黄球,采用不放回方式从中依次随机地取出2个球.
(1)求第二次取到黄球的概率;
(2)求两次取到的球颜色相同的概率.
(1)求第二次取到黄球的概率;
(2)求两次取到的球颜色相同的概率.
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2023-12-20更新
|
394次组卷
|
2卷引用:湖北省武汉市新洲区部分学校2023-2024学年高二上学期期中质量检测数学试题
名校
7 . 若关于
的不等式
的解集是
.
(1)求实数
的值;
(2)当
时,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58ebcff039f988f9f708f34a4a893798.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60a6ae54924f59bced3ff6ed68768a78.png)
(1)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86474b8b559afef08fa4ea228f84b77e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e15969300949924fdfcb6376fef36a30.png)
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解题方法
8 . 已知函数
(
).
(1)若
的定义域和值域均是
,求实数a的值;
(2)若
在区间
上是减函数,且对任意的
,都有
.求实数a的取值范围;
(3)若
,且对任意的
,都存在
,使得
成立,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21fa4e29680abc2eab221f634cde157b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d33da711e50e96568facb18cef27165.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8af908bca1b10f5de7e2d8979989c806.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c36c3781d5caf82f3749cd503d23ad6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46e89d95a693887deb8360fb14754e1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6acb0f1ac694dd177e99fc385f23318.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44708e23fd4898196bebca8abee68117.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f7dbb416ec1ff1984a724a4f48bf692.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ea847ac3dc234b7892744e0f3af2feb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/012ab86de84bda00c8dcdc2b969dd8ee.png)
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名校
解题方法
9 . 对于定义域为D的函数
,如果存在区间
,同时满足:①
在
内是单调函数;②当定义域是
时,
的值域也是
;则称
是该函数的“完美区间”.
(1)判断函数
,是否存在“完美区间”,若存在,则求出它的一个完美区间,若不存在,请说明理由;
(2)已知函数
(
,
)有“完美区间”
,当a变化时,求出
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5313c921defe84689aefde4773ad2b56.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57b85a97933a1d984f6e484b4021c800.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57b85a97933a1d984f6e484b4021c800.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57b85a97933a1d984f6e484b4021c800.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57b85a97933a1d984f6e484b4021c800.png)
(1)判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbea50b9ee9088ba9c3b474a893fc52b.png)
(2)已知函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d32f8fd7fe61102d8a4eaf2c5d65081f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10bbdef421c976962a270a2beabbad91.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20849c00c47cbdc43f18d53341b6c4e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57b85a97933a1d984f6e484b4021c800.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64da75a02173c2a5eb40f4c68d0f4f36.png)
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2023-12-20更新
|
125次组卷
|
2卷引用:湖北省孝感市大悟一中等学校2023-2024学年高一上学期11月期中联考数学试题
解题方法
10 . 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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