1 . 已知函数
(
为自然对数的底数).
(1)求曲线
在点
处的切线方程;
(2)设
,当
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44144d3c836557ca96077566a6e95de3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ff5a8f648d375cc6ccf6649cab698c6.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89f4eff3125c5e63a994ba1ad5be58e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3907da01aa2971e05262ecf58bafe27d.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/599ddb9569e701be6bd2e1220d9a73c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea241ae86945003b7a8447847741b0c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88801569ff7d345a320f3419c3828afc.png)
您最近一年使用:0次
2022-10-22更新
|
542次组卷
|
5卷引用:河北省部分名校2023届高三上学期第一次阶段测试数学试题
2 . 已知函数
.
(1)讨论
的单调性.
(2)若
存在两个零点
,且曲线
在
和
处的切线交于点
.
①求实数
的取值范围;
②证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81f642b7715a574bf5b8e3f0ba107110.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)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9df2062940530232ab124a571e951ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fb652143b43cc9439a347b2b1dc5cf6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23b4f86e48e2b0d63c1865c60ed1e4d1.png)
①求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
②证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31cdc61764eef3fbe2dc5fafaa2efb39.png)
您最近一年使用:0次
2023-05-05更新
|
979次组卷
|
8卷引用:四川省乐山市沫若中学2021-2022学年高二下学期第二次月考数学(文)试题
名校
3 . 已知函数
.
(1)求函数
在点
处的切线方程;
(2)当
时,函数
有两个零点,求实数m的取值范围;
(3)求证:对任意的
,都有
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40f0809f2cd0ca8455145aeeac6ba2a9.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97282a21da129516474b783565823c84.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1487e9e4bd2c25c594e655e95c44d574.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e1330f2449b3d4f8cd54e78fd32a9ad.png)
(3)求证:对任意的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b8928e74f205d8e40eb343fb774da78.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b9f3765c10475c2f9f76283f9a23de.png)
您最近一年使用:0次
名校
4 . 已知函数
.
(1)讨论
的单调性;
(2)若直线
与曲线
相切,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f723b2b44046b983abe39f4900f6446.png)
(1)讨论
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33eb95e5d557d3fcfa52e48df1cdf183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d657d70e8b9bace54a39293e3851d61.png)
您最近一年使用:0次
2022-12-31更新
|
571次组卷
|
3卷引用:黑龙江省哈尔滨市剑桥第三高级中学2022-2023学年高三上学期12月份月考数学试卷
黑龙江省哈尔滨市剑桥第三高级中学2022-2023学年高三上学期12月份月考数学试卷(已下线)专题2-4 导数证明不等式归类(讲+练)-2江苏省盐城市响水中学2022-2023学年高二下学期期中数学试题
5 . 设函数
.
(1)若
,求函数
在点
处的切线方程;
(2)试判断
的零点个数,并证明你的结论.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/018afcc369a0cbec2ca55a75dee23f94.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81158db42116f74e7b26e100f88dd535.png)
(2)试判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/befa604ab2e23a0b1fbc1e364e95e27a.png)
您最近一年使用:0次
2022-09-24更新
|
458次组卷
|
4卷引用:福建省福州高级中学2021-2022学年高二下学期第四学段(期末)考试数学试题
福建省福州高级中学2021-2022学年高二下学期第四学段(期末)考试数学试题江西省赣州市赣县第三中学2023届高一上学期10月月考数学(文)试题江西省赣州市赣县第三中学2022-2023学年高一上学期10月月考数学(理)试题(已下线)第五章 一元函数的导数及其应用(A卷·知识通关练)(5)
2023高三·全国·专题练习
6 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f36bfc75ac2ca1571d8f9eff5dfb0a4.png)
(1)若
,求
的图象在
处的切线方程;
(2)若
,证明:
在
上只有一个零点.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f36bfc75ac2ca1571d8f9eff5dfb0a4.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e94f16d5ed858699bfea5039a7bf8ae6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe9e329f2730b2be926b121f1ae04c0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/870ebc2f7aabb028024894568d749934.png)
您最近一年使用:0次
7 . 已知函数
.
(1)求函数
的图象在点
处的切线方程;
(2)求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac30b1937be89c3e9a8e955a11ccf51e.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5828873f8369183faf71181cda5b61d2.png)
(2)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6607d48e36a60702397064a330a0fcd0.png)
您最近一年使用:0次
解题方法
8 . 已知函数
,其中
是自然对数的底数.
(1)设曲线
与
轴正半轴相交于点
,曲线在点
处的切线为
,求证:曲线
上的点都不在直线
的上方;
(2)若关于
的方程
(
为正实数)有两个不等实根
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6967c065830fda82863c40955999b62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11204e2fb6e560bf7a4ca26eaebfc526.png)
(1)设曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9c9b882323edba16b3625458239b6f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
(2)若关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9c0d827ef8598ba6b70b34b2bdcd1e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aca579894dad67bc82cb715fd48e0d70.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7488bd4cd1fb8745b1bd09426a4dc025.png)
您最近一年使用:0次
解题方法
9 . 已知函数
.
(1)若
,求a的值;
(2)若
,求证:
在
上是单调递增的,其中e为自然对数的底数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fab8c3cf3679d25e952afdf6e0cc44c.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f656bc8da6e31caf8417e7eefcd4598.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1403d67bf7315f6869255bbac7060f65.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20a87b990f23750af24468d551cc3e9b.png)
您最近一年使用:0次
2022-10-22更新
|
151次组卷
|
2卷引用:河南省沈丘县长安高级中学2022-2023学年高三上学期月考理科数学试题
2022高三·全国·专题练习
解题方法
10 . 已知:如图,抛物线
,
为其焦点,
是过抛物线上一点
的切线,
是直线
上的两点(不同于点
),直线
平行于
轴.求证:
.(入射角等于反射角)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5bf92a1ba410263d4f68b7e0432b19aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a7e6acfc23e0a01aa8e6c25277dcfec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7600d2cfbdc6146db96cc545706004f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/674891f113da82f8e978411ed0c7423b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/422935d85056bc2fa6d4d50d034f62eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7600d2cfbdc6146db96cc545706004f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e52a8f07834cbbbe4224962672fbbb2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5dd084b94e9aa409d88e808752f3fc44.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/17/4b7074b1-b0f6-4eb1-8a13-295785b551c3.png?resizew=196)
您最近一年使用:0次