名校
解题方法
1 . 已知双曲线
的中心为坐标原点,对称轴为坐标轴,且过点
两点.
(1)若双曲线
的右支上的三个不同的点
关于
轴的对称点分别为
双曲线的左右焦点,试求
的值;
(2)设过点
的直线
交曲线
于
两点,过
作
轴的垂线与线段
交于点
,点
满足
,证明:直线
过定点.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c253d53593f994122fcb5f3301e8aad4.png)
(1)若双曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f7807638578edd712265463a7a5eab0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8bda58f9753ee60b71b447a005a03f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90adf36c39064c6eec958cf7edae58dc.png)
(2)设过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29f4b2e47f04efd6b39e2ec12b3ca7de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fc5c19ac440746be97d8b46af5d288a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49838a24c28cdc18dab9990a0a72e286.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce2790947716b1cfa9c5e7a65db4093.png)
您最近一年使用:0次
2022-11-23更新
|
372次组卷
|
2卷引用:浙江省衢州市普通高中2022-2023学年高三上学期素养测评数学试题
名校
解题方法
2 . 已知椭圆
:
的长轴长为4,离心率为
,其左、右顶点分别为A、B,右焦点为F.
![](https://img.xkw.com/dksih/QBM/2023/1/13/3151816808685568/3152720860946432/STEM/ddd9abbb34464cac819ef931a4f36b41.png?resizew=294)
(1)求椭圆
的方程;
(2)如图,过右焦点F作不与x轴重合的直线交椭圆于C、D两点,直线AD和BC相交于点M,求证:点M在定直线
上;
(3)若直线AC与(2)中的定直线
相交于点N,在x轴上是否存在点P,使得
.若存在,求出点P坐标;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dd54b9df3402ad91e2d34c40efe0c7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://img.xkw.com/dksih/QBM/2023/1/13/3151816808685568/3152720860946432/STEM/ddd9abbb34464cac819ef931a4f36b41.png?resizew=294)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)如图,过右焦点F作不与x轴重合的直线交椭圆于C、D两点,直线AD和BC相交于点M,求证:点M在定直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
(3)若直线AC与(2)中的定直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f18fe75b94f62832d1a1ad44ed879a2.png)
您最近一年使用:0次
名校
解题方法
3 . 已知双曲线
的离心率为
,且点
在双曲线C上.
(1)求双曲线C的方程;
(2)若点M,N在双曲线C上,且
,直线
不与y轴平行,证明:直线
的斜率
为定值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83bf4fd84818abac17a9d21237ac5ce5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf298f00799cbf34b4db26f5f63af92f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39ea1f5bdd213c7c3a571b4c38850bf1.png)
(1)求双曲线C的方程;
(2)若点M,N在双曲线C上,且
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f59747cee312ee5140643428cae79efa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
您最近一年使用:0次
2023-02-03更新
|
1881次组卷
|
12卷引用:浙江省浙里卷天下2023届高三一模数学试题
浙江省浙里卷天下2023届高三一模数学试题广东省江门市部分学校2023届高三下学期开学联考数学试题浙江省部分学校2022-2023学年高三上学期1月联考数学试题浙江省金太阳联盟2022-2023学年高三上学期1月期末联考数学试题河南省安阳市、鹤壁市、新乡市、商丘市2022-2023学年高三下学期开学考试(理科)数学试题河南省安阳市鹤壁市新乡市商丘市2022-2023学年高三下学期开学考试(文科)数学试题湖南省长沙市宁乡市第一高级中学2022-2023学年高二上学期12月月考数学试题(已下线)模块十二 解析几何-1(已下线)专题九 平面解析几何-2山西省忻州市2023届高三一模数学试题江苏省南京市建邺高级中学2023-2024学年高二上学期10月月考数学试题(已下线)专题15 圆锥曲线综合
4 . 已知函数
.
(1)若
,求函数
在
上的最小值;
(2)当
时,证明:函数
有两个不同的零点
,
(
),且满足(i)
;(ii)
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2801391d8e62797d9f2fb3aafdc88ad.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b4d795709b0abcf47bceec2250f2f9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ed2f490aac02631c2ed9e6b76354a49.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6803e06223269e79138ac240d2d2f57f.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/aec19b68e3add9d5bfcc6269a1855b87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26d8dafc71b106f39f4e15442220897b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64dfbdd8d0c80fc7ed53c2e5d350301c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/721a09f4c69346aa28b74fba19fd062c.png)
您最近一年使用:0次
解题方法
5 . 已知函数
,
为
的导函数.
(1)当
时,求曲线
在点
处的切线方程;
(2)当
时,求函数
的单调区间和极值;
(3)当
时,求证:对任意的
,
,且
,有
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a95efb38e039cc55059d5f0fa2293ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a4b04824a308519a61318a82aa97a05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8e69866076dcff686a05e9e91e61e68.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5bea9227dd0104da58e0c40952cc87ed.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d31251aec52e0833858cb3041ffb2120.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95f7bca7d052c449ead14602df9151d2.png)
(3)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6eaa768bab5c855961cf19cd2327a5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/207bf290c6d6791f1223122f2105b205.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2210f152080d9a68a97c805f5c1cde96.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a620b284ae80049376c7a7c9afab1f62.png)
您最近一年使用:0次
名校
解题方法
6 . 已知函数
,其中
,
.
(1)当
时,求函数
的单调区间;
(2)当
且
时.
①若
有两个极值点
,
(
),求证:
;
②若对任意的
,都有
成立,求正实数t的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1027fc43aadcafee9d0cbda7bf656361.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d285a4c557fc9748105b62ccd94b7859.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ce4430b8b9b0c78de693513a7f88915.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e65397f11ea8af736f38debadf420c4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3a915c1a8a9304aeb307d130faaeb15.png)
①若
![](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/aec19b68e3add9d5bfcc6269a1855b87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26d8dafc71b106f39f4e15442220897b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ede4ee5ce3f0abfbce7b930f23d62ffb.png)
②若对任意的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c608d90deedf83441490d0190e70f9c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4d036d96e005692dc27fc942a1504be.png)
您最近一年使用:0次
名校
解题方法
7 . 圆
过椭圆
的下顶点及左、右焦点
,
,过椭圆
的左焦点
的直线与椭圆
相交于
,
两点,线段
的中垂线交
轴于点
且垂足为点
.
![](https://img.xkw.com/dksih/QBM/2020/6/8/2480276067958784/2480484130758656/STEM/6e7ce0576bdd4e7bb0ff4d76edadec00.png?resizew=168)
(Ⅰ)求椭圆
的方程;
(Ⅱ)证明:当直线
斜率变化时
为定值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3bcfcc5fdcec676875e253087acc568.png)
![](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/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.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)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://img.xkw.com/dksih/QBM/2020/6/8/2480276067958784/2480484130758656/STEM/6e7ce0576bdd4e7bb0ff4d76edadec00.png?resizew=168)
(Ⅰ)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(Ⅱ)证明:当直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c63b94128755eb0eae02ae97003cf12.png)
您最近一年使用:0次
8 . 已知函数
,若函数
(
,
为常数)在
内有两个极值点
.
(Ⅰ)求函数
的导函数
;
(Ⅱ)求实数
的取值范围;
(Ⅲ)求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e62da19943a0e333a57a072cf8b786b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/969aec82557128609607063de913018d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1e69392d21261afd8e5e5f096634669.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/afa482d7bcaa385bfc3548b42a4bfb60.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aca579894dad67bc82cb715fd48e0d70.png)
(Ⅰ)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33770cd4511e0f50f2d959ffd913e97f.png)
(Ⅱ)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(Ⅲ)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77ea11379ba50489c61f33968a462107.png)
您最近一年使用:0次
解题方法
9 . 已知函数
有两个极值点
.
(1)求
的取值范围;
(2)求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed85e516715c0082cae32f1a09cc312e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8dae74c724114bfeff024dd7b79f5edc.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e047b5d4de7e5e92e433a86377e7788.png)
您最近一年使用:0次
2018-05-02更新
|
1306次组卷
|
2卷引用:【校级联考】浙江省衢州市五校联盟2019届高三年级上学期联考数学试题
10 . 如图,过抛物线
(
)上一点
,作两条直线分别交抛物线于点
,
,若
与
的斜率满足
.
![](https://img.xkw.com/dksih/QBM/2018/12/23/2103190559358976/2103733847416832/STEM/44dc73b1c1814f0f981d8627d501d63c.png?resizew=136)
(1)证明:直线
的斜率为定值,并求出该定值;
(2)若直线
在
轴上的截距
,求
面积的最大值.
![](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/c3c9708ef0dc6d6f5dcf6596d3e4f6e5.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/bd33764ff4efddfe11a98a609753715c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2be49c37e30a3ced0364c3e74d8c687.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d39978841bdbe3d4d968557f8048f223.png)
![](https://img.xkw.com/dksih/QBM/2018/12/23/2103190559358976/2103733847416832/STEM/44dc73b1c1814f0f981d8627d501d63c.png?resizew=136)
(1)证明:直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
(2)若直线
![](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/48bda099d4ccbffd59338c873b0193e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/061b217fbf1e8cede06403b89ad7d63d.png)
您最近一年使用:0次