已知函数
.
(1)当
时,求曲线
在点
处的切线方程;
(2)若
在
上仅一个零点,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4384e3f3d0def03716ea76e8012084f7.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b4d795709b0abcf47bceec2250f2f9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5828873f8369183faf71181cda5b61d2.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5d6243e93c41978871cb23d8e66148d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
23-24高三上·江西·开学考试 查看更多[2]
更新时间:2023-09-03 18:38:57
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相似题推荐
解答题-问答题
|
较难
(0.4)
【推荐1】已知函数
,其导函数为
.
(1)若函数
在
时取得极大值,求曲线
在点
处的切线方程;
(2)证明:当
时,函数
有零点.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bfbf47e860fb3e1ed37710fe4032c53.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/724340d69477c0ec2418c392b22b1cab.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/707ea658f3a9359f5740d5aab48f7948.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5828873f8369183faf71181cda5b61d2.png)
(2)证明:当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce3a34d6f60032718820c3da2b07786b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0883a142ae4d2002e32e355520c0d1a1.png)
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解答题-问答题
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较难
(0.4)
【推荐2】设函数
,
.
(1)当
时,求曲线
在点
处的切线方程;
(2)若对
,
恒成立,求整数
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/735ae3089359285137c95349dc3836c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1e69392d21261afd8e5e5f096634669.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09b29a7faa14a6e09d0db2d04f4ced03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5c887da0c850acf41ab249cc262ae39.png)
(2)若对
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fad1dd76d5b72f10f5bb62693a2996f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38c8cbfc85de8b2d3f64d3975b169363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
您最近一年使用:0次
解答题-问答题
|
较难
(0.4)
【推荐3】已知函数
.
(1)求曲线
在点
处的切线方程;
(2)求函数
的极值;
(3)判断
在
上的单调性,并加以说明.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9598267b3ee6a32d24bb8648f8bc2ae.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632978e9ce91f0e162e2350d95e69d4b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d789d476a6c542cb72af6f872e8e8b3.png)
(2)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51f28af61b184c42164b8c1d9ebcb2e4.png)
(3)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84153925db492238052d0baf65ae0abc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a7094e384dc9c65732bd3eb3aabb391.png)
您最近一年使用:0次
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名校
【推荐1】用数学的眼光看世界就能发现很多数学之“美”.现代建筑讲究线条感,曲线之美让人称奇.衡量曲线弯曲程度的重要指标是曲率,曲线的曲率定义如下:若
是
的导函数,
是
的导函数,则曲线
在点
处的曲率为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/268159cf7a0382df4b1b76dd4606fb54.png)
(1)已知函数
,
①求函数
在点
处的曲率的平方
;
②求函数
的曲率
的最大值.
(2)函数
,若
在两个不同的点处曲率为0,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/724340d69477c0ec2418c392b22b1cab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10acd6d864583617dd3e71240bf0c857.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/724340d69477c0ec2418c392b22b1cab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe7522a3f232bd0b7a7850ae674db43f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/268159cf7a0382df4b1b76dd4606fb54.png)
(1)已知函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eb01f055ee6ad133be745b358bcdecd.png)
①求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7160d93f92089ef36f3dab809d3114b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06906251b5b08f7f1980ea9d82e47bbe.png)
②求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3834d7ec7531f3c3c0ce9b286f7a49.png)
(2)函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c5f1fe9aa4c2b4e73990732393a2118.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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解答题-证明题
|
较难
(0.4)
解题方法
【推荐2】已知函数
有两个零点.
(1)求
的取值范围;
(2)函数
,若
与
有相同的值域,求
的值,并证明:
,
恒成立.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3eeff8c7b49ab069f5e30fae6e168c68.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
(2)函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f697374185dd40c8fc4e7d2a62d15e89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/028517e8bebe634441e0a5c79828e88a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8d794c3af7140c07ef04547cdd0be19.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6b002c375a4530b092286b818d449ee.png)
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