名校
解题方法
1 . 设点
为抛物线
上的动点,
是抛物线的焦点,当
时,
.
![](https://img.xkw.com/dksih/QBM/2020/5/18/2465260647030784/2465989001592832/STEM/ed630a07-5c55-44bb-88a3-620f94d70394.png?resizew=173)
(1)求抛物线
的方程;
(2)过点
作圆
:
的切线
,
,分别交抛物线
于点
.当
时,求
面积的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37254351125380127823c0fd7d95458d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ed2b64a7ef119076a391ce0b74e1f8b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e96379c9bf844eefbeb1dc825d142b07.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17a2ea37d80c92be4bed89985a014e49.png)
![](https://img.xkw.com/dksih/QBM/2020/5/18/2465260647030784/2465989001592832/STEM/ed630a07-5c55-44bb-88a3-620f94d70394.png?resizew=173)
(1)求抛物线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a353d1a988596880c0a48c2303d20c2c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/544530e1133b2924ccfbe691141a5641.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2205cffebf8c4d5f81d15ed7b85c8936.png)
您最近一年使用:0次
2020-05-19更新
|
925次组卷
|
5卷引用:2020届浙江省嘉兴市高三下学期5月教学测试数学试题
2020届浙江省嘉兴市高三下学期5月教学测试数学试题江西省南昌市第二中学2020-2021学年高二上学期第三次月考数学(理)试题江西省抚州市黎川县第一中学2020-2021学年高二上学期第三次月考数学(理)试题(已下线)专题6.3 双曲线与抛物线的性质与应用-备战2021年高考数学精选考点专项突破题集(新高考地区)(已下线)专题6.2 椭圆的性质与应用-备战2021年高考数学精选考点专项突破题集(新高考地区)
解题方法
2 . 已知函数
,
.
(1)求证:存在唯一的实数
,使得直线
与曲线
相切;
(2)若
,
,求证:
.
(注:
为自然对数的底数.)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8374736d300dcf2ca4426993fb5d1296.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdef85d50578d84a92ffcc754f7afddb.png)
(1)求证:存在唯一的实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1938c093dd2fbcb752d0eb7a18d143b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f039953f09677969db031e357ec8a208.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/790daaa89fc9d093f45023becf765697.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf3b6772ee4e8eacaa8d3527cb873760.png)
(注:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11204e2fb6e560bf7a4ca26eaebfc526.png)
您最近一年使用:0次
解题方法
3 . 若函数
恰有两个不同极值点
.
(1)求
的取值范围;
(2)求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc7fb60d4c972b57e4d455f5be30c830.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3661dbd3b2c578c685e6a11a4102ddd.png)
您最近一年使用:0次
名校
4 . 已知函数
(其中e是自然对数的底数,a,
)在点
处的切线方程是
.
(1)求函数
的单调区间.
(2)设函数
,若
在
上恒成立,求实数m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e79c997d46aec7871ddf2f99f35665c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2dd0914dc4d4c7f75710ff460a286fcf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5828873f8369183faf71181cda5b61d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/739c9635c5ec4360a1da1e1f9a40620d.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e3f7fc2114bef0fdd05f5dda98868c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f15318d2d6664ecdf81180baf70a0c71.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9cc4136bd17997e11a7f8abcb19f9018.png)
您最近一年使用:0次
2020-05-12更新
|
1308次组卷
|
6卷引用:2020届江西省吉安、抚州、赣州市高三一模数学(理)试题
2020届江西省吉安、抚州、赣州市高三一模数学(理)试题江西省2019-2020学年高三质量监测理数试题江西省2020届高三毕业班新课程教学质量检测卷理科数学试题(已下线)【新东方】【2021.5.19】【SX】【高二下】【高中数学】【SX00082】辽宁省沈阳市东北育才学校2020-2021学年高二下学期期末数学试题湖北省襄阳市老河口市高级中学2022-2023学年高二下学期期中数学试题
名校
5 . 已知函数
.
求函数
在
处的切线方程;
若
在
,
处导数相等,证明:
.
若对于任意
,直线
与函数
图象都有唯一公共点,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f19a961a5ad0a41a65bdef02f193f856.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9bf6c84731e5e1bd335ecfc2d36c3d81.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f53190d6ead827a6338b9de847aeaf1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/971905ea129aec0ca7c325f60260c7e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85a93969738a9bb969f40cf587f1d5d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01d810bc4a245fcf9c0546cb28096275.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f62295c36d2e2174908c2bec0eb5b30f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a9228488d1c6cc1365976dcb98d666f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c15fb18163df0690365a0d2e7ee88f5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
您最近一年使用:0次
名校
解题方法
6 . 如图,已知抛物线
的焦点为
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/21/f94cfe30-8d9b-4fa0-a106-e1f4a59a7d3a.png?resizew=134)
若点
为抛物线上异于原点的任一点,过点
作抛物线的切线交
轴于点
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f53190d6ead827a6338b9de847aeaf1.png)
,
是抛物线上两点,线段
的垂直平分线交
轴于点
(
不与
轴平行),且
.过
轴上一点
作直线
轴,且
被以
为直径的圆截得的弦长为定值,求
面积的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e48f28aeccf369df5980ac787e9e313f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/21/f94cfe30-8d9b-4fa0-a106-e1f4a59a7d3a.png?resizew=134)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9bf6c84731e5e1bd335ecfc2d36c3d81.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22fd644cd54380df6f9f27c75bb2450e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f53190d6ead827a6338b9de847aeaf1.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/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1c6ba69264c8f203cd756581bc6280a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ebc5bc4d240236523c95e3ca839dfbb4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/218590c23e700d37ab514bd8f8430edb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e742966e3711cfa53dce04022acf4bcc.png)
您最近一年使用:0次
解题方法
7 . 如图,设点
是抛物线
的焦点,直线
与抛物线
相切于点
(点
位于第一象限),并与抛物线
的准线相交于点
.过点
且与直线
垂直的直线
交抛物线
于另一点
,交
轴于点
,连结
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/29/bf7e4ed4-4242-43dc-8e62-21836780ebe9.png?resizew=192)
(1)证明:
为等腰三角形;
(2)求
面积的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/531fc91e66179b770d8a89e2e7ac8cda.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.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/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/29/bf7e4ed4-4242-43dc-8e62-21836780ebe9.png?resizew=192)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91a9bf6bda9363dbef5f6ff4bf6a5edf.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2205cffebf8c4d5f81d15ed7b85c8936.png)
您最近一年使用:0次
解题方法
8 . 已知函数
,
,其中
,且
.
(1)求
在
上的最大值;
(2)若
对任意的
及
恒成立,求实数
的取值范围.
注:
是自然对数的底数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f3b9792fa213477e821c6c8c7381404.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8874e5b2f75071c32600f64462f26f95.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1e69392d21261afd8e5e5f096634669.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bcac1e85463a3177f487d896b3d1d24c.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1a2c01ac2a7f6ad7e03cb7a61daefab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b6775ba0475f8f1407e816ef660fd7c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bcac1e85463a3177f487d896b3d1d24c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
注:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/168b3e4b1d6f04226fa2687a72a268b4.png)
您最近一年使用:0次
解题方法
9 . 如图,已知抛物线的标准方程为
,其中
为坐标原点,抛物线的焦点坐标为
,
为抛物线上任意一点(原点除外),直线
过焦点
交抛物线于
点,直线
过点
交抛物线于
点,连结
并延长交抛物线于
点.
![](https://img.xkw.com/dksih/QBM/2020/4/16/2442670487592960/2442774186106880/STEM/3d4e4cdb-835b-495d-9d22-6813c784482e.png?resizew=181)
(1)若弦
的长度为8,求
的面积;
(2)求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3764ba3aa0a241787f4661026bb14053.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2ba2238d6afe0187534155dd9ac48c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3492b97c5b85da3965f86239ede4e4e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cae70b8a9d2d2e96dea62c00ced04b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://img.xkw.com/dksih/QBM/2020/4/16/2442670487592960/2442774186106880/STEM/3d4e4cdb-835b-495d-9d22-6813c784482e.png?resizew=181)
(1)若弦
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f4dfec890cdfdda355e19463f3be813.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fe95f656b98b53f71a9d72bf0c9a4b9.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ffc79a23cb3ccf97b6f2c0fce10ceed.png)
您最近一年使用:0次
解题方法
10 . 已知正实数
,设函数
.
(1)若
时,求函数
在
的值域;
(2)对任意实数
均有
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0be8d07ecdfd70e64c9248e829c829b9.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fadd2e6f0aa16c2c466c904474ffc79c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c0b6ca237b90b49a91d9d74d007efdc.png)
(2)对任意实数
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6卷引用:浙江省“山水联盟”2019-2020学年高三下学期返校考试数学试题
浙江省“山水联盟”2019-2020学年高三下学期返校考试数学试题(已下线)专题08 导数综合(解答题)-冲刺2020高考跳出题海之高三数学模拟试题精中选萃(浙江专版)(已下线)考点08 利用导数研究函数的性质-2021年高考数学三年真题与两年模拟考点分类解读(新高考地区专用)浙江省金华市曙光学校2020-2021学年高二下学期第一次阶段考试数学试题(已下线)第六章 导数与不等式恒成立问题 专题五 单变量恒成立之必要性探路法(4) 微点2 必要性探路法(4)——外点效应、拐点效应、孤点效应综合训练(已下线)第六章 导数与不等式恒成立问题 专题七 单变量恒成立之最值分析法 微点1 单变量恒成立之最值分析法