已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd43814480a4b17d2b95c9114d68023e.png)
(1)若函数
的图像在公共点
处的切线相同,求
的值;
(2)设函数
,函数
为
的导函数,若函数
有两个零点
,且
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd43814480a4b17d2b95c9114d68023e.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8fd1e808e015f4cb43d2e3a0529ac6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43db00e106c7d08a76a7ba71ca5e63d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d05b3964e0e35d08508a093a36c49e2d.png)
(2)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cffa662f0273f0921c1fa4727f632395.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95e82f423c1c5d304766d1a22d72f042.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a813b5adbf5c7082561237894ba6d599.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a813b5adbf5c7082561237894ba6d599.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26d8dafc71b106f39f4e15442220897b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef3abb167fa6763d46da38f0040f53dd.png)
更新时间:2021-07-13 15:21:36
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相似题推荐
解答题-问答题
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较难
(0.4)
名校
解题方法
【推荐1】已知
,
有且仅有一条公切线
,
(1)求
的解析式,并比较
与
的大小关系.
(2)证明:
,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89a2d7c67748749a033294d20ec56360.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9f049a5f960728c60a909821b2404b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
(1)求
![](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/4669810732b633b60dbeaf0bf57204f6.png)
(2)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42897f25d4cfcf4ffa141f8c9e7f9468.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28652e52c0b02a343e618935ea625cbf.png)
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较难
(0.4)
名校
【推荐2】知函数
,
,
与
在交点
处的切线相互垂直.
(1)求
的解析式;
(2)已知
,若函数
有两个零点,求
的取值范围 .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59ac3863277cbc778d72022731c2bae3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3c3b3e7b8d99bf401d8b661d94bcd7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53a948d2f7732d7f03e986c63712089b.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f0d68648b10fce54dfc19c5ee60086d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ba2bf277ec3c73183941b0698695f17.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
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【推荐3】已知函数
,曲线
在点
处的切线平行于直线
.
(1)求函数
的单调区间;
(2)设直线
为函数
的图象在点
处的切线,问:在区间
上是否存在
,使得直线
与曲线
也相切?若存在,求出满足条件的
的个数;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/540d5156e314638db49dd8338bf6b6a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf46dc84732526c826d84a71c407ea89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2dda15b3e16effc293e27b24602d56ba.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)设直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9f049a5f960728c60a909821b2404b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/559f2a51214ab19b7026dbbb3a432467.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84a7a4a037a4dfe973f1eb683d93d799.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ebba733dae06b063b5e279189d5d30e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
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【推荐1】已知函数
.
(1)求函数
的单调区间;
(2)当
时,如果方程
有两个不等实根![](https://staticzujuan.xkw.com/quesimg/Upload/formula/261c0899711077922ca479c99ffe2fef.png)
,求实数t的取值范围,并证明
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04e7dca715a3a770fa5273f2db6d3d7c.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/713c59f274e9146b6d85375435315521.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/261c0899711077922ca479c99ffe2fef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03ca13a93b5f401c0d39ba52b0cffcb0.png)
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【推荐2】已知函数
.
(1)讨论
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,使得
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1d0a674599ca8a25c402d6589409231.png)
(1)讨论
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
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您最近一年使用:0次