1 . 已知函数
.
(1)求函数
在
内的单调递增区间;
(2)当
时,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39a341411cc8bef811c5f74bc567f3eb.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3ff8dca35b759d3051b62badd7d76bc.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b916c6d3fb2fdc67421489f207c93903.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29c7572463225bb3b65cb371f4496440.png)
您最近一年使用:0次
2021-02-26更新
|
1322次组卷
|
4卷引用:押第22题导数-备战2021年高考数学临考题号押题(浙江专用)
(已下线)押第22题导数-备战2021年高考数学临考题号押题(浙江专用)贵州新高考联盟2021届高三下学期入学质量监测数学(文)试题(已下线)专题34 仿真模拟卷03-2021年高考数学(文)二轮复习热点题型精选精练河南省洛阳市豫西名校2020-2021学年高二下学期第一次联考理科数学试题
名校
2 . 已知椭圆C:
右焦点为
,且过点
.
(1)求C的方程;
(2)点P、Q分别在C和直线
上,
,M为
的中点,求证:直线
与直线
的交点在某定曲线上.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48da128547c4cf9745e8e4b99988a3db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/092fd1b1d33979818300cd2e3699bff7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/913f78382630e50543e5f7192cae3ed3.png)
(1)求C的方程;
(2)点P、Q分别在C和直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f23d29646155e27b172ecdf263e2d702.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae0fffe123ea158094a6d7ea645a58b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20a541b81584a032f571159ea152c85a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aaf3369e0ea90e8d5cf4b6b3c45c0fd8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b8db072e2b6104671b82f948012fb45.png)
您最近一年使用:0次
2021-01-14更新
|
1170次组卷
|
5卷引用:浙江省杭州市桐庐分水高级中学2021-2022学年高三上学期第一次模拟考试数学试题
浙江省杭州市桐庐分水高级中学2021-2022学年高三上学期第一次模拟考试数学试题(已下线)期中模拟题(二)-2021-2022学年高二数学同步单元AB卷 (人教A版2019选择性必修第一册+第二册,浙江专用)广东省佛山市2021届高三上学期教学质量检测(一)数学试题江苏省泰州中学2021届高三下学期四模数学试题江苏省海安实中、高邮一中、吴江中学、吴江高级中学四校2021届高三下学期联考数学试题
3 . 在圆
内有一点
,动点M为圆A上任意一点,线段
的垂直平分线与半径
相交于点N,设点N的轨迹为C.
(1)求轨迹C的方程;
(2)若直线
与轨迹C交于不同两点E,F,轨迹C上存在点P,使得以
为邻边的四边形
为平行四边形(O为坐标原点),求证:
的面积为定值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c86071b97e3d0673cdd85a6b9c51fef0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1b47e7bf02b3ca16f7d96b9369e51a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e69d2b798744645af88a4fa411344a83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d50703c46b6153945d718b198f03b4b5.png)
(1)求轨迹C的方程;
(2)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fc5bd66dd6d5e09ff0893a938aed56e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8163aaa40962f5d8741e9a119688b1c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e311b2e11784551cf8d0a4a70161887d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22a70b91e48c6c0435789cc656a19465.png)
您最近一年使用:0次
2021-02-03更新
|
930次组卷
|
7卷引用:浙江省2021届高三下学期4月高考模拟(2)数学试题
名校
4 . 已知函数
.
(Ⅰ)求函数
的单调递增区间;
(Ⅱ)若函数
在
处导数相等,证明.![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4788105a1cdc6b8e145ac639c6ad7b5.png)
(Ⅲ)若对任意的实数
,若直线
上与曲线
均有唯一公共点,求实数b的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f50e420a57e28557c6e9a184d455b1ca.png)
(Ⅰ)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(Ⅱ)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/809ad70707d19b395e888899655a6b6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4788105a1cdc6b8e145ac639c6ad7b5.png)
(Ⅲ)若对任意的实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4b4a832f6ef2892f5a7110157cb1a86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c15fb18163df0690365a0d2e7ee88f5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
您最近一年使用:0次
2021-06-04更新
|
814次组卷
|
4卷引用:浙江省温州中学2021届高三下学期四模数学试题
浙江省温州中学2021届高三下学期四模数学试题(已下线)2021年秋季高三数学开学摸底考试卷03(浙江专用)(已下线)2022年高考押题预测卷01(浙江卷)-数学天津市南开区南开中学2024届高三上学期统练10数学试题
5 . 如图,已知抛物线C:
的焦点F,过x轴上一点
作两条直线分别交抛物线于A,B和C,D,设
和
所在直线交于点P.设M为抛物线上一点,满足以下的其中两个条件:①M点坐标可以为
;②
轴时,
;③
比M到y轴距离大1.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/1/3994887a-f87b-4ada-8433-a3ed44bf5718.png?resizew=181)
(1)抛物线C同时满足的条件是哪两个?并求抛物线方程;
(2)判断并证明点P是否在某条定直线上,如果是,请求出该直线;如果不是,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7089148c36cb3c39af71de653756396a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2a63f7b42555f7f81bcb18b9247bf9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29bb7ff5012ac35f2e5fa64b0247ce93.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f7e98fa4da2def9eebd11a349b83e87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51d4a2a035d302744fed6f65daa4ac55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b8aed33984ccc91282d8a1c2be27cd0.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/1/3994887a-f87b-4ada-8433-a3ed44bf5718.png?resizew=181)
(1)抛物线C同时满足的条件是哪两个?并求抛物线方程;
(2)判断并证明点P是否在某条定直线上,如果是,请求出该直线;如果不是,请说明理由.
您最近一年使用:0次
2021-03-12更新
|
3006次组卷
|
5卷引用:浙江省之江教育评价2020-2021学年高二下学期3月返校联考数学试题
浙江省之江教育评价2020-2021学年高二下学期3月返校联考数学试题(已下线)专题12 定比点差法及其应用 微点3 定比点差法综合应用(二)——解决范围、最值、探索型以及存在性问题(已下线)专题22 圆锥曲线中的定点、定值、定直线问题 微点3 圆锥曲线中的定直线问题(已下线)第五篇 向量与几何 专题11 圆锥曲线中的蝴蝶定理 微点1 圆锥曲线中的蝴蝶定理(已下线)第06讲 拓展三:直线与抛物线的位置关系-【练透核心考点】2023-2024学年高二数学上学期重点题型方法与技巧(人教A版2019选择性必修第一册)
解题方法
6 . 已知函数
.
(1)求
在点
处的切线方程;
(2)若方程
有两个实根
,且
,证明;
时,
.(注∶e为自然对数的底数)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96a26f3341c78d51f60a5ac57eeaa5a1.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17c36300180be6ee56f4345157fa723a.png)
(2)若方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5809a06357f94fc7a2156c7e7af1ed2e.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/53bdd632a4ac64e56262d92a0593ffcb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/132f835c340c2aa56a61e6c50c9f3fd2.png)
您最近一年使用:0次
7 . 如图所示,已知点
、
是椭圆
的两个焦点,椭圆
经过点
、
,点
是椭圆
上异于
、
的任意一点,直线
和
与椭圆
的交点分别是
、
和
、
.设
、
的斜率分别为
、
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/2/92cc1dca-4d3e-4d8a-bce4-cec810a0963e.png?resizew=189)
(1)求证:
为定值;
(2)求
的最大值.
![](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/5ad5c24ed80bb57cb2ac412b7b0d74b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a6cdea44c4d1e008daee02d080db27e.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/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.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/9ac86e1c253297a377e14fb9a1689be8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0739793f234f8e86adc6177801ae7295.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.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/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6defc43285a40f7ccb74c1cc04265eba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/423b7ae39db552e60ee8b1d27312306f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/2/92cc1dca-4d3e-4d8a-bce4-cec810a0963e.png?resizew=189)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b881044b5c73db6fcce110525741b02.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bfe5351a50aac766f146acd1a9a6e79e.png)
您最近一年使用:0次
8 . 设
,
,证明:
(1)
,
;
(2)若正实数
满足
,则必有
,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea6a4a6c9eb315ee6c2aca66c82d73dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4166972dec0aa3e8694a44eeb941a08.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6aa8eff6bee3a3636d82fe970bcd623a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1376168658dbe7f5b7f4d75fb1db545a.png)
(2)若正实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b1a3c11853824c25a324da619a1f849.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65ff83076e681b47edbf5e3057de2a0a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36b98ef143f8159f3a7dafa1fd2f2370.png)
您最近一年使用:0次
2021-06-04更新
|
570次组卷
|
2卷引用:浙江省杭州市高级中学2021届高三下学期5月高考适应性考试数学试题
9 . 如图已知
是直线
上的动点,过点
作抛物线
的两条切线,切点分别为
,与
轴分别交于
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/9/1195863a-8e9d-40ca-84d8-37b393e3e147.png?resizew=187)
(1)求证:直线
过定点,并求出该定点;
(2)设直线
与
轴相交于点
,记
两点到直线
的距离分别为
;求当
取最大值时
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9d03e2331d9ecda656b2817ca6beef2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/639c3d2ff5ee566fcc1b69c65712a661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/745de5ef1fd897d16e37464172d5e8c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39acab3cfb59bfc9591371721ab01d93.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/9/1195863a-8e9d-40ca-84d8-37b393e3e147.png?resizew=187)
(1)求证:直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
(2)设直线
![](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/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf2f1c1409a06278e847e6b573cef254.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd3f0711abf6984021228d5d3121a716.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/177678001b2ccde1db8f57fa5e017002.png)
您最近一年使用:0次
2021-02-03更新
|
1046次组卷
|
5卷引用:浙江省舟山市2020-2021学年高二上学期期末数学试题
浙江省舟山市2020-2021学年高二上学期期末数学试题江苏省南京师范大学附属中学2020-2021学年高二上学期期末数学试题(已下线)大题专练训练24:圆锥曲线(抛物线:最值范围问题1)-2021届高三数学二轮复习(已下线)专题37 阿基米德三角形(已下线)重难点突破14 阿基米德三角形 (七大题型)
10 . 已知抛物线
的焦点到准线的距离为2,直线
交抛物线于
,
两点.
(1)求抛物线
的标准方程;
(2)过点
,
分别作抛物线
的切线
,
,点
为直线
,
的交点.
(i)求证:点
在一条定直线上;
(ii)求
面积的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5bf92a1ba410263d4f68b7e0432b19aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94a8d6991873e79b298984a95b8954b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12a3efb79f35db8448f3391252ab7d4e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8df332f01628130c084fd46aaca0a4b7.png)
(1)求抛物线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)过点
![](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/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
(i)求证:点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
(ii)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2205cffebf8c4d5f81d15ed7b85c8936.png)
您最近一年使用:0次