解题方法
1 . 已知函数
.
(1)当
时,试讨论函数
的单调增区间;
(2)设
,
在
上不单调,且![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60bc8db9f970f65033c64699ec1b99d7.png)
恒成立,求
的取值范围(
为自然对数的底数);
(3)设
,若
存在两个极值点
,且
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9607671db24bdaf713ecb5a1087e471.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a3c442579603164f3fc19458677d307.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c532b5af7b88f1c21a7584cfac5fea6c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6716866ee816c4ea9e7e03916c18658.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60bc8db9f970f65033c64699ec1b99d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/041a7c8fc017f596542c5e6ec7d1c40b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/041a7c8fc017f596542c5e6ec7d1c40b.png)
(3)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b6c96b9335c10b51be2968e9e55d3cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/913fa07e6b6c5ea91b529cf1ee7e2935.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/434e57d55071f933d671f43bd1f080bc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb15b52b9c9c101d24eb609cfa28c142.png)
您最近一年使用:0次
2022-01-12更新
|
601次组卷
|
4卷引用:浙江省绍兴市诸暨海亮高级中学2021-2022学年高三上学期选考模拟最后一测数学试题
浙江省绍兴市诸暨海亮高级中学2021-2022学年高三上学期选考模拟最后一测数学试题浙江省绍兴市诸暨海亮高级中学2021-2022学年高三上学期1月测试数学试题(已下线)临考押题卷01-2022年高考数学临考押题卷(浙江卷)浙江省湖州市安吉县天略外国语学校2022届高三上学期期末模拟数学试题
解题方法
2 . 已知函数
的图象在
点处的切线为.![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f78b2837242e54d8d92cf1fe64938f66.png)
(1)求
;
(2)求证:
;
(3)已知
,若
对
恒成立,求正实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08caec54ff2cc4a3fff76c40cb1bfc78.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b2c84e7b41a841a230ed5f8a42309aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f78b2837242e54d8d92cf1fe64938f66.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
(2)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05b2562dee02aad3f4d5c87f404ac1e0.png)
(3)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55748bb2092b8c0427433a61c5c54e9c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6568ec3c84d8a01ef4204fe88ff9d17f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/739acb356dcabf29bce2e406c604d322.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2022-01-23更新
|
571次组卷
|
3卷引用:山东省青岛市4区县2021-2022学年高三上学期期末考试数学试题
解题方法
3 . 设函数
,其中
.
(1)当
,
时,求证:
;
(2)若
为
的极值点,且
,
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7523770dc4b9e44183a7b3dc2e9cbad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10bbdef421c976962a270a2beabbad91.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c0aa2ef928b6e3341d0a0dc6d8055b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/018857ec6e498113b3b12a730d9313da.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36d71f015144ffaf1faec94a259b4a06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58b140e221ddf537b8964fff8557cca0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77cbaa7e55d776be06b790b6e4206946.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
解题方法
4 . 已知过点
的动圆与直线
相切,该动圆圆心的轨迹为曲线
.
(1)求
的方程;
(2)过点
的直线交
于点
,
,过点
且斜率为
的直线与
交于异于
,
的一点
,证明:直线
过定点.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d7a999c36de5c9a9ce876a4a56fa34c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99c6875d552e9fff3c7d655f3a59b166.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0cb9ad1e34877b0db02d0219332b0f7b.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0cb9ad1e34877b0db02d0219332b0f7b.png)
(2)过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8cda12642d59a5817e8990c43de20535.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0cb9ad1e34877b0db02d0219332b0f7b.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/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0cb9ad1e34877b0db02d0219332b0f7b.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/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
您最近一年使用:0次
2021-10-15更新
|
242次组卷
|
4卷引用:河南省联考2021-2022学年高三上学期核心模拟卷(上)文科数学试题(二)
5 . 已知
且
,函数
.
(1)当
时,设
的导函数
,求
的单调区间;
(2)若函数
恰有两个互异的零点
.
(i)求实数
的取值范围;
(ii)求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c400a615a16a1662de98dfb4e49d58d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fe0e59c2be6bf4cdf5f79d1b3d7aeb0.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a4b04824a308519a61318a82aa97a05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a4b04824a308519a61318a82aa97a05.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f85e8c228262241b98dc0850e130014.png)
(i)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(ii)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81c0ccd77071707c7908b331f57cbaab.png)
您最近一年使用:0次
名校
解题方法
6 . 在平面直角坐标系xOy中,已知椭圆C:
的离心率为
,且C过点
.点P,Q在C上,且直线PQ不与坐标轴垂直.
(1)求C的方程;
(2)若直线MP,MQ的斜率存在,分别记为
,
,证明:PQ过O点的充要条件是
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dd54b9df3402ad91e2d34c40efe0c7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/860884c0017c8bceb5b0edff796c144f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85d23fc512ad69a2d5919ce690407704.png)
(1)求C的方程;
(2)若直线MP,MQ的斜率存在,分别记为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6defc43285a40f7ccb74c1cc04265eba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/423b7ae39db552e60ee8b1d27312306f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f6d6a0ee7672e93d79d51b938d9299e.png)
您最近一年使用:0次
2021-10-10更新
|
607次组卷
|
3卷引用:重庆市2022届高三上学期第二次质量检测数学试题
重庆市2022届高三上学期第二次质量检测数学试题(已下线)9.6 三定问题及最值(精讲)-【一隅三反】2022年高考数学一轮复习(新高考地区专用)福建省莆田华侨中学2022届高三下学期模拟考试数学试题
名校
7 . 已知函数
.
(1)当
时,求函数
的单调区间;
(2)当
时,若
的极大值点为
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fd955188bf0880f7a90e75d0511f86e.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b108ab31cc093f03cf48ad65429889e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/280b09edeb1f63bc0671a287819c3af0.png)
您最近一年使用:0次
2021-09-07更新
|
1324次组卷
|
8卷引用:黑龙江省实验中学2021届高三下学期三模数学(文)试题
黑龙江省实验中学2021届高三下学期三模数学(文)试题(已下线)规范答题---导数黑龙江省大庆实验中学2021-2022学年高三上学期第一次月考数学(文)试题黑龙江省佳木斯市第二中学2021-2022学年高三上学期第二次月考数学(文)试题山西大学附属中学2022届高三上学期11月期中数学(文)试题山西省吕梁学院附属高级中学2022届高三上学期期中数学(文)试题河南省名校联盟2021-2022学年上学期高三第一次诊断考试文科数学试题(已下线)第03讲 导数在研究函数的应用-【帮课堂】2021-2022学年高二数学同步精品讲义(苏教版2019选择性必修第一册)
解题方法
8 . 已知抛物线
的焦点是
,如图,过点
作抛物线
的两条切线,切点分别是
和
,线段
的中点为
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/28/1dbb8993-f12e-48d2-9b83-87ab468913cb.png?resizew=189)
(1)求抛物线
的标准方程;
(2)求证:直线
轴;
(3)以线段
为直径作圆,交直线
于
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e07996498447064865ea5301b41679cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ee74d649e1014da6fe65739fc2d9dcc.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/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/28/1dbb8993-f12e-48d2-9b83-87ab468913cb.png?resizew=189)
(1)求抛物线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)求证:直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97b29c85d254553e5a3704cea48de311.png)
(3)以线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be2e2c0d4ac2bd79f6cea7a9b1a50662.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca75dd85255d6de2d4c8917a7239937c.png)
您最近一年使用:0次
2022-01-03更新
|
913次组卷
|
3卷引用:浙江省绍兴市诸暨市海亮高级中学2021-2022学年高三上学期12月选考数学试题
浙江省绍兴市诸暨市海亮高级中学2021-2022学年高三上学期12月选考数学试题浙江省绍兴市诸暨市海亮高级中学2022届高三下学期高考前最后一卷数学试题(已下线)第11讲 高考难点突破三:圆锥曲线的综合问题(最值、范围问题) (精讲)
9 . 已知函数
(其中常数
是自然对数的底数).
(1)当
时,讨论函数
的单调性;
(2)证明:对任意
,当
时,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/467e4b1851a0f174f90fd39bcac7848e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ecc0300ef61a9922c0f4f91123e6202.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e10e1c43b86a8cd4360ca9b57232164.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)证明:对任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0c71b3414c9e207388fa4c43ce0ef2c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0188c5ade8d0cd135b631bc02d3af91.png)
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2021-11-17更新
|
376次组卷
|
2卷引用:山东省德州市2021-2022学年高三上学期期中数学试题
名校
解题方法
10 . 已知椭圆
的左、右焦点分别为
,
,半焦距为1,以线段
为直径的圆恰好过椭圆
的上、下顶点.
(1)求椭圆
的方程;
(2)若关于直线
对称的射线
与
分别与椭圆
位于
轴上方的部分交于
,
两点,求证:直线
过
轴上一定点.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad523e69a1bf925e73a22900b9855df2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/643ef7d761de0e794fc39937dc72ac6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)若关于直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8a454588e9beb97c69a0332a7c5c796.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a1eb15d354e4ef64e6f4297edc8acd5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dfbdbe9a17a23c44cec8c7475c4dc1a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
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2021-09-06更新
|
726次组卷
|
4卷引用:2021届高三数学临考冲刺原创卷(三)