1 . 下列函数的导数计算正确的是( )
A.若函数![]() ![]() |
B.若函数![]() ![]() ![]() ![]() |
C.若函数![]() ![]() |
D.若函数![]() ![]() |
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2024-01-26更新
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3卷引用:浙江省慈溪市2023-2024学年高二上学期期末测试数学试卷
浙江省慈溪市2023-2024学年高二上学期期末测试数学试卷(已下线)2.5 简单复合函数的求导法则4种常见考法归类-【帮课堂】2023-2024学年高二数学同步学与练(北师大版2019选择性必修第二册)湖北省鄂东学校2023-2024学年高二下学期3月联考数学试题
名校
解题方法
2 . 我们把底数和指数同时含有自变量的函数称为幂指函数,其一般形式为
,幂指函数在求导时可以将函数“指数化"再求导.例如,对于幂指函数
,
.
(1)已知
,求曲线
在
处的切线方程;
(2)若
且
,
.研究
的单调性;
(3)已知
均大于0,且
,讨论
和
大小关系.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/541b679b72673528f0e37bfeb6d1dff0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f46d3504fd4d99c1a9a293a9363256ae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52fc4b04f98545b403a28d41c6e109c4.png)
(1)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7395df460e74ac91beeb82f99bf301ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58b140e221ddf537b8964fff8557cca0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/060e7930731eddbcfac592b808e9b698.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b91f5cf5a5fede52e96a0cb5ac079b.png)
(3)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/607ea0d316d84b1ea5e6e735ac29b332.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2958030ec9d7543dda1f529593a915e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a94933201271f9408e70cd2f2182f4a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c632bdc4a2b1c4891d1cf5345571d23.png)
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