名校
解题方法
1 . 已知函数
.
(1)若
,证明:
;
(2)若函数
在
内有唯一零点,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa6b6cb28567f85162df73d1237fc735.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/200f24e682c93e02a87f3f9d57dc5d40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c73a98c1b3504e09bfbe0db849b0d24.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71163f419555f2ed76075c8ff659fbfc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2024-04-24更新
|
1019次组卷
|
2卷引用:陕西省安康市高新中学2024届高三模拟考试最后一卷理科数学试题
名校
2 . 已知函数
.
(1)讨论函数
的单调性;
(2)当
时,令
,若
为
的极大值点,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bf4647809d73833ddbea8f48cea760b.png)
(1)讨论函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7bb4151f7d79d5068dfc4dc9bbb12ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11abb76da45ffa52b47c3a6b9a03ac7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46be55c8f2760d6db125f46691a3de48.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c11ce16c6264fb074ca84d93a891ada4.png)
您最近一年使用:0次
2023-11-01更新
|
1200次组卷
|
7卷引用:2024届高三上学期10月大联考(全国乙卷)文科数学试题
2024届高三上学期10月大联考(全国乙卷)文科数学试题陕西省铜川市2024届高三一模数学(理)试题陕西省铜川市2024届高三一模数学(文)试题(已下线)专题2-6 导数大题证明不等式归类-2(已下线)模块四 第五讲:利用导数证明不等式【练】(已下线)第五章 一元函数的导数及其应用(单元测试)-2023-2024学年高二数学同步精品课堂(人教A版2019选择性必修第二册)(已下线)宁夏回族自治区石嘴山市平罗中学2024届高三下学期第一次模拟考试数学(理)试题
名校
解题方法
3 . 椭圆
的两个焦点分别为
,
,离心率为
,
为椭圆
上任意一点,
不在
轴上,
的面积的最大值为
.
(1)求椭圆
的方程;
(2)过点
的直线
与椭圆
相交于M,N两点,设点
,求证:直线
,
的斜率之和
为定值,并求出定值.
![](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/860884c0017c8bceb5b0edff796c144f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/912244834d62bb368d66ccd7b24cd4d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7ffe8515ff6183c1c7775dc6f94bdb8.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7c3316c2f17c0b3a99cc520b6aaa711.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/81b54b9cf95418bc3dce6e4c698b9907.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e69d2b798744645af88a4fa411344a83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7785afeeaf274892253d04b4f693b367.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d37ada8d3b59c983880b013ad973ae55.png)
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2023-12-13更新
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4414次组卷
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16卷引用:陕西省西安市部分学校2024届高三上学期普通高等学校招生全国统一考试理科数学试卷
陕西省西安市部分学校2024届高三上学期普通高等学校招生全国统一考试理科数学试卷安徽省淮北市第一中学2023-2024学年高二上学期第三次月考数学试题福建省龙岩市上杭县第一中学2024届高三上学期12月月考数学试题河南省信阳市信高教育集团南湾校区2023-2024学年高二上学期期末复习检测数学试题(一)四川省广安市育才学校2023-2024学年高二上学期12月月考数学试题(已下线)模块一 专题2 解析几何(2)(已下线)专题03 椭圆13种常见考法归类(3)河南省信阳市固始县高级中学第一中学2023-2024学年高二上学期第三次月考数学试题河北省石家庄二南2023-2024学年高二上学期1月月考数学试题(已下线)专题03 圆锥曲线题型全归纳(九大考点)-【寒假自学课】2024年高二数学寒假提升学与练(人教A版2019)(已下线)天津市红桥区2024届高三上学期期末数学试题(已下线)高二上学期数学期末模拟卷(一)-2023-2024学年高二数学同步精品课堂(北师大版2019选择性必修第一册)福建省莆田市第二十五中学2023-2024学年高二上学期期末数学试题安徽省马鞍山市当涂县第一中学2023-2024学年高二上学期1月期末测试数学试题(已下线)重难点7-2 圆锥曲线综合应用(7题型+满分技巧+限时检测)(已下线)微考点6-3 圆锥曲线中的定点定值问题(三大题型)
4 . 设函数
,曲线
在点
处的切线方程为
.
(1)求
;
(2)证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70a460de4b64a5154fca70b4e1ec8ba2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5828873f8369183faf71181cda5b61d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e154ef2a77f2ac3dcc1ff6df5ab012.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
(2)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd814c601dedd372e0768a4166dc5779.png)
您最近一年使用:0次
2024-01-21更新
|
2691次组卷
|
8卷引用:陕西省榆林市2024届高三一模数学(文)试题
陕西省榆林市2024届高三一模数学(文)试题陕西省汉中市2024届高三上学期第四次校际联考数学(文)试题(已下线)模块四 第五讲:利用导数证明不等式【练】江西省抚州市临川第一中学2024届高三“九省联考”考后适应性测试数学试题(一)(已下线)高三数学开学摸底考02(新考法,新高考七省地区专用)(已下线)最新模拟重组精华卷2 -模块一 各地期末考试精选汇编(已下线)重难点2-4 利用导数研究不等式与极值点偏移(8题型+满分技巧+限时检测)江苏省扬州市仪征中学2024届高三下学期期初调研测试数学试题
解题方法
5 . 在平面直角坐标系
中,椭圆
的右顶点和上顶点分别为
,点
是直线
上的动点,设直线
斜率分别为
.
(1)求椭圆
的离心率;
(2)求证:
为定值;
(3)若直线
与椭圆的另一个交点分别为
,试判断直线
与直线
的位置关系.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7795aec93c2c7ac2fd93e6747ca6516c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb4402aeb853b22f20992156957ef0fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b87609b100b8d39b52e25ef1bee9b772.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/790ef3382b1c731f2885eecfd92c2a86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90963760acac7bfad3ae03088c6c80b0.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4757181824e15e0f21e5bdd55448783.png)
(3)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/790ef3382b1c731f2885eecfd92c2a86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39acab3cfb59bfc9591371721ab01d93.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
您最近一年使用:0次
名校
解题方法
6 . 已知焦点为
的抛物线
:
(
)上一点
到
的距离是4.
(1)求抛物线
的方程.
(2)若不过原点
的直线
与抛物线
交于
,
两点(
,
位于
轴两侧),
的准线
与
轴交于点
,直线
,
与
分别交于点
,
,若
,证明:直线
过定点.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fc58c62444bf42a25289c45425a00f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5abd313d4e92a762fb7fb0c1cb65263d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34c8db81f577fc60b130924c3f5e3c27.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
(1)求抛物线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)若不过原点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.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/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.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/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13dea1bd3d0dd84b8b6f6ff634c5600c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef4113c492885ba7c47fe42ac792578f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b90e0f35eda1a729fed485f83da5ea9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13dea1bd3d0dd84b8b6f6ff634c5600c.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/99c472f2bcaed3a14a33b64d9a96ce49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
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2024-01-10更新
|
528次组卷
|
2卷引用:陕西省西安博爱国际学校2021-2022学年高二上学期期末理科数学试题
解题方法
7 . 已知点
是抛物线
的焦点,点
在
上,且
.
(1)求
的方程;
(2)过点
作两条互相垂直的直线
交
于
两点,
交
于
两点.求证:
为定值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82ea1be9b9b6bb12afa7e1ce703d1603.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/105fc189cd8499892183c046897282a6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8c9aa5dc8e688868ad3eac88714cd51.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/254d90ef7eba319615e1fd6e01f6abd9.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/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0556ce16fbbb02a803ea0ab2546ef706.png)
您最近一年使用:0次
2024-01-22更新
|
120次组卷
|
3卷引用:陕西省商洛市柞水中学2024届高考仿真模拟考试数学(理科)试题
8 . 2022年北京冬奥会仪式火种台(如图①)以“承天载物”为设计理念,创意灵感来自中国传统青铜礼器——尊(如图②),造型风格与火炬、火种灯和谐一致.仪式火种台采用了尊的曲线造型,基座沉稳,象征“地载万物”.顶部舒展开阔,寓意着迎接纯洁的奥林匹克火种.祥云纹路由下而上渐化为雪花,象征了“双奥之城”的精神传承.红色丝带飘逸飞舞、环绕向上,与火炬设计和谐统一.红银交映的色彩,象征了传统与现代、科技与激情的融合.现建立如图③所示的平面直角坐标系,设图中仪式火种台外观抽象而来的曲线对应的函数表达式为
.
(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/a8ad93dc19938b18b0a9a7dcfe3a7bf1.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/20/74fa53e3-3998-4d0f-8f9e-266b5d590b43.png?resizew=388)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fab8a0cc6504aa4c3a38006f5394b4c2.png)
(2)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/714621c52d929e662febee72b9d68351.png)
您最近一年使用:0次
2023-10-30更新
|
124次组卷
|
2卷引用:陕西省榆林市定边县第四中学2024届高三上学期第四次月考数学(文)试题
9 . 已知函数
.
(1)求曲线
在点
处的切线方程;
(2)证明:
有且仅有两个实数根,且这两个实数根互为相反数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a368a619e27186aaa6a11731c804d47.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5828873f8369183faf71181cda5b61d2.png)
(2)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28638f8c054a7bb4d9b46fde330bc76f.png)
您最近一年使用:0次
解题方法
10 . 已知函数
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aaa567b3df1810837869aa203f6d2467.png)
(1)证明:
;
(2)若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e46958f6b75555729a91b3e258e64235.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aaa567b3df1810837869aa203f6d2467.png)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/257e0a13428a004a923b59d092cf77de.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/447d6f62c09c1d05346fd16a24159f6e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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