名校
1 . 设
表示
在
处的导数值, 已知
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54866df4c6165d66f182ff9b7744f98e.png)
___________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8a52bf388042370388a97a5c065ffb7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11abb76da45ffa52b47c3a6b9a03ac7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb12f137d94b605aecc5e0bf1aca91a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54866df4c6165d66f182ff9b7744f98e.png)
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解题方法
2 . 已知函数
.若曲线
在其上一点
处的切线与直线
平行,求
的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6eb7cf32a955f0e376640cbdd845a9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b4b0eba587d0af5c665a8f909df5104.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
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3 . 牛顿迭代法是求方程近似解的一种方法.如图,方程
的根就是函数
的零点
,取初始值
的图象在点
处的切线与
轴的交点的横坐标为
的图象在点
处的切线与
轴的交点的横坐标为
,一直继续下去,得到
,它们越来越接近
.设函数
,
,用牛顿迭代法得到
,则实数
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b7bff9b2431134f7683a9cc4e68acd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11bc05f41215f9894e11d1df0465751a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8bb39857aa4d49038751a9e69d367173.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8559f5db9b978cb2bd290dbce7268629.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a02f9a42a1561e4b186eefa32be85dfb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a24a2c53e3b0b1c08803e95419f909d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1fe1c31a81f198c443e71b83ca662939.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11bc05f41215f9894e11d1df0465751a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/448155ab5191a0c80a8de16d44b5aff5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c5603d29560e66b2293cea1e3b02289.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6059ced816e65bed957376cd52d853de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ccd4162c7d09f970cb77cadacdbe521.png)
A.1 | B.![]() | C.![]() | D.![]() |
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4 . 法国数学家拉格朗日1797年在著作《解析函数论》中给出一个定理:如果函数
满足条件:
(1)在闭区间
是连续不断的;(2)在区间
上都有导数.
则在区间
上至少存在一个实数
,使得
,其中
称为“拉格朗日中值”.
函数
在区间
上的“拉格朗日中值”![](https://staticzujuan.xkw.com/quesimg/Upload/formula/825116eb345f5505ebc8c1cdb8a1f131.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0afb80007983e5b99dcdeebf87d18ff4.png)
(1)在闭区间
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ca6d68f1de3e70696f1d5d60affe6ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63313f7ac7402fcb5a9a840db64c6f08.png)
则在区间
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63313f7ac7402fcb5a9a840db64c6f08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9590ee9348b10986b23751331d691eaf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05dea299fdfd05df11991bd4cc99b1c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62c2cc4cd1e8bcb4b75b6e799156736e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/825116eb345f5505ebc8c1cdb8a1f131.png)
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名校
5 . 若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b01cdb4a84f02a75eb447b54f73f7df6.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c8302775bd5e16145edfaaf6e95490e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b01cdb4a84f02a75eb447b54f73f7df6.png)
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6 . 下列求导运算结果正确的是( )
A.![]() | B.![]() |
C.![]() | D.![]() |
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7 . 已知函数
,则曲线
上一点
处的切线方程为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f4bf8e6bebfe7a13b8d14bb90621b6c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1803dc3c76fd2b51696647aa18602412.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
名校
8 . 已知a,b为非零常数,函数
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/269272f78c6841f9d9d6010de00b2d44.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5e4a09f9c1777136b49b94d0b9b821f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/269272f78c6841f9d9d6010de00b2d44.png)
您最近一年使用:0次
解题方法
9 . 贝塞尔曲线(Beziercurve)是应用于二维图形应用程序的数学曲线,一般的矢量图形软件通过它来精确画出曲线.三次函数
的图象是可由
,
,
,
四点确定的贝塞尔曲线,其中
,
在
的图象上,
在点
,
处的切线分别过点
,
.若
,
,
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.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/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.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/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cb9e88d3e58141dba299dcd8edc4e18.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fb6fd712d967a36c027693a54f91470.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f63f0bdeade1904c747ec9ef0ff3443.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d776a89f4fd29dccffe1040069d59ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ba99a5c5661eedaef4b36ade1a7c5c5.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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名校
10 . 下列给出四个求导的运算:①
;②
;③
;④
.其中运算结果正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04183ec505d4e61b60c786b77db7fbee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9dc2b2fec3afc60413b26f94b0d7e7ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6aa65d398d378eeb3d1dc0158f2d8ffd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/588ec884e22d97cc1314f1b1b35c91ed.png)
A.①④ | B.①③ | C.①②④ | D.②③④ |
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