解题方法
1 . 已知函数
.
(1)求函数
的极值;
(2)设函数
,若
,有
恒成立,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a609600d5429c8b12a8c6617e82c791f.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/157e71c5aed90904dabb4aefd7260f70.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e98a4a901ff98218d12e5a04f82ed76b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05fce924911d5ed93147dfce9e41c2b0.png)
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2 . 已知函数
.
(1)求曲线
在点
处的切线方程;
(2)求函数
的单调区间,并判断函数
的零点个数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0412d5e521e4844a00f376864e6bd9e6.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54b13280d106fe9c3db2069984325b63.png)
(2)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
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2卷引用:北京市平谷区2020-2021学年高二下学期期末数学试题
3 . 已知函数
,
,
.
(1)证明:函数
在
处的切线恒过定点;
(2)求函数
的单调区间;
(3)证明:对任意实数b,当
时,都有
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/627172fc49f8dc1f77f8211590e1c249.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc3d06b54f895fe703277db2b7ea99ad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1e69392d21261afd8e5e5f096634669.png)
(1)证明:函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c9f8845aa2b51c460f2d798c9f62fa3.png)
(2)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(3)证明:对任意实数b,当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b47952ada2ed5a108ae6204ad2c950e.png)
您最近一年使用:0次
4 . 已知函数
.
(1)求
在
处的切线方程;
(2)求函数
在
上的最大值和最小值;
(3)写出函数
的零点个数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61d08ac7999649dfe4701c8fa46d4864.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
(2)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53b587e5f500e7fb3f4482cc8250255a.png)
(3)写出函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
您最近一年使用:0次
名校
5 . 已知函数
.
(1)求曲线
在点
处的切线方程;
(2)证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dc8928b56f6d407094c40231cd8f849.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5bea9227dd0104da58e0c40952cc87ed.png)
(2)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ea998345984b6d1bbffa1e667365ed6.png)
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3卷引用:北京市西城区2020-2021学年高二下学期期末数学试题
6 . 已知函数
.
(1)求
的极值;
(2)若关于
的方程
无实数解,求实数
的取值范围;
(3)写出经过原点且与曲线
相切的直线有几条?(直接写出结果)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5889da8087df7d1a5bd254a2f9b59edc.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0cdcb20fdc8bab941d857045172f20a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3)写出经过原点且与曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
您最近一年使用:0次
名校
解题方法
7 . 已知函数
.
(1)求证:当
时,
;
(2)设斜率为
的直线与曲线
交于两点
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cdc873fc03e6e4d3c4ba02f8b1147b20.png)
(1)求证:当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fde64f4d3c38e43fbdee24eadc4b0dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab32224dfeba4536a75cfc0aa9eab7d2.png)
(2)设斜率为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12be206d66e65eb92ef08bad8cd8f71d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35115e581c859d8fd22653883ebd35ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d06595c7d839f2edbf9ef575ef027d6.png)
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2021-08-04更新
|
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3卷引用:北京市大兴区2020-2021学年高二下学期期末数学试题
北京市大兴区2020-2021学年高二下学期期末数学试题安徽省六安市舒城中学2022届高三下学期一模理科数学试题(已下线)湖北省武汉市(武汉六中)部分重点中学2024届高三第二次联考数学试题变式题17-22
8 . 已知函数
.
(1)求曲线
在
处的切线方程;
(2)证明:当
时,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6c428102360ff4d98b9e5eb1ea204aa.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb45f673c56a289ea78831c9237e8d20.png)
(2)证明:当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db2b74d89854116e411c089d053df053.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f66d61d5f66d68b4c4a2a25fd7103621.png)
您最近一年使用:0次
名校
解题方法
9 . 已知函数
.
(1)求
的极值;
(2)已知
,且
对任意的
恒成立,求
的最大值;
(3)设
的零点为
,当
,
,且
时,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b276d8b7113c704d6a063a45a27dc334.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/835705ff91d278fa24e760473864257b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/908cba2b3eeb3728b003144fedd4c571.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fde64f4d3c38e43fbdee24eadc4b0dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
(3)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2c7ec96e9bf06fe5e93edbe8b6901ae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c884ce1e9436d39f34f6d3116cb2a140.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/440b4409f9eeed6c8dbcbe2c6aa82186.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2210f152080d9a68a97c805f5c1cde96.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3dcc2e7dee9cdc0b781c66a74727af2a.png)
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2021-07-04更新
|
769次组卷
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3卷引用:北京市朝阳区2020-2021学年高二下学期期末考试数学试题
名校
10 . 设函数
,
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37b97b295f88972ba1c7e3cefda0885d.png)
(1)求
的单调递增区间;
(2)当
,
时,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41871dc9be39a31c7aa41ca9f7a62331.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6e2e79843faf62dde86bf858d1e0569.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37b97b295f88972ba1c7e3cefda0885d.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5095a28bb1b91bf6bed9e2cfbd76bb18.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5c0a8155f5a6af42d37856f6c95a0bc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7620c5d02684cad4b4c40124d93afb86.png)
您最近一年使用:0次
2021-07-04更新
|
793次组卷
|
3卷引用:北京市朝阳区2020-2021学年高二下学期期末考试数学试题