名校
解题方法
1 . 设
为平面向量,则“存在实数
,使得
”是“
”的( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8e8b95a61af300412fc65f846089028.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11aeda90bd9777fda412249a37fc7a08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b8592f75159a8d7083ff67e78cafbd2.png)
A.充分而不必要条件 | B.必要而不充分条件 |
C.充分必要条件 | D.既不充分也不必要条件 |
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2024高三·全国·专题练习
解题方法
2 . 若函数
,求
的单调区间.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9003e235ca26da33dc26c143da0024c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
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2024高三·全国·专题练习
3 . 已知函数
,当
时,求
的极值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/adac4ee04e7bbaa6dc3f0f58915cd817.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f498b6874410fb46e9807e04371e6e5e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
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2024高三·全国·专题练习
解题方法
4 . 已知函数
.
(1)当
时,求曲线
在
处的切线方程;
(2)若当
时,
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63cf0b39c50f7b1de395431b02057251.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa4c355f11471a38f5583a434a1ddeb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d29c5c266a6d834a244c1f50c8f9848c.png)
(2)若当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4921923069c4f38a0af1ff8637e35b3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5539cc3a6a9b1bda8013f0fd6760b4a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51f5f7a36e251bbc424ccc127ebb2881.png)
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5 . 求证:若
,则
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38f0e9c04402a0ffdaa25c3e3c82c7dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c12f03252553a84eba84fdc8467adfdf.png)
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名校
解题方法
6 . 已知函数
,则下列选项正确的是( ).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c9cb03aa08cfa6a15a8ffbd83824656.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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2024-05-27更新
|
1170次组卷
|
5卷引用:第二章导数及其应用章末十八种常考题型归类(4)
名校
7 . 已知函数
在
处取得极小值
,则
的值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92aebe265ba5f98c35ea7bb23cecc1b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29a44d321ae2abfc4e566933a92637d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c6ce02259a85ea191541f4a708738f1.png)
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2024高三下·全国·专题练习
8 . 双曲线方程为
,则
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00ac1c34e2ef9442c8400c629b3e667a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
A.![]() | B.![]() | C.![]() | D.![]() ![]() |
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9 . “以直代曲”是微积分中的重要思想方法,牛顿曾用这种思想方法求高次方程的根.如图,r是函数
的零点,牛顿用“作切线”的方法找到了一串逐步逼近r的实数
,
,
,…,
,其中
是
在
处的切线与x轴交点的横坐标,
是
在
处的切线与x轴交点的横坐标,…,依次类推.当
足够小时,就可以把
的值作为方程
的近似解.若
,
,则方程
的近似解![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e92f14fb20f920f88dcad2ccd1d53f2.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3282e5fde4ae53fcb1bb072a685304c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11abb76da45ffa52b47c3a6b9a03ac7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/971905ea129aec0ca7c325f60260c7e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/def1075c37608d8f22a045bd825709db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3282e5fde4ae53fcb1bb072a685304c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b7bff9b2431134f7683a9cc4e68acd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ae1bda8334139ab22c70ffe645bc3d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/692a6aba6541e5f0d80388d2d47ab977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b7bff9b2431134f7683a9cc4e68acd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e92f14fb20f920f88dcad2ccd1d53f2.png)
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2024-05-24更新
|
368次组卷
|
3卷引用:【一题多变】零点估计 牛顿切线
10 . 观察图象,下列结论错误的有( )
A.若图中为![]() ![]() ![]() |
B.若图中为![]() ![]() |
C.若图中为![]() ![]() ![]() |
D.若图中为![]() ![]() ![]() |
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