解题方法
1 . 设函数
在
上可导,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6460d1e16416be67a9095fc6b08982d8.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf6c5e95b0507a6514cb995d9ecbeaae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6460d1e16416be67a9095fc6b08982d8.png)
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2023-08-15更新
|
382次组卷
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2卷引用:河南省洛阳市第十九中学2021-2022学年高二下学期3月月考理科数学试题
解题方法
2 . 已知函数
,问是否存在实数
,使
在
上取得最大值3,最小值-29,若存在,求出a,b的值;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/185730b8bdc1a85b201074f93b482db0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23c33b69adc112831fa115b5dffdb616.png)
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名校
3 . 在曲线
的图像上取一点
及附近一点
,则
等于(( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c28b4f0234b698f001e7dec787b4d44.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2ce2f5e22175e3ff8ab5e0afca58f9c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f18a535e9d4f1e2696ca2e8d0636b21.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1fde86bac61c7b0b0698580f7675a1f.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2023-08-15更新
|
336次组卷
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3卷引用:河南省洛阳市第十九中学2021-2022学年高二下学期3月月考理科数学试题
名校
4 . 已知曲线
.
(1)求曲线在
处的切线方程;
(2)若曲线
在
处的切线与曲线
相切,求
的取值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb3b6c56aee4bb8a8131fd960415c745.png)
(1)求曲线在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/606e5694c2f33033cced4e29d3152c16.png)
(2)若曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53a948d2f7732d7f03e986c63712089b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e03f422458fd50de5f7045dccba09cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2023-08-15更新
|
667次组卷
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4卷引用:河南省洛阳市第十九中学2021-2022学年高二下学期3月月考理科数学试题
解题方法
5 . 若双曲线的渐近线方程是
,虚轴长为4,且焦点在x轴上,则双曲线的标准方程为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f10273b05ad8210d8db07639c4d149fd.png)
A.![]() ![]() | B.![]() | C.![]() | D.![]() |
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2023-02-19更新
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3卷引用:河南省洛阳市2022-2023学年高二上学期期末考试数学(文科)试题
名校
解题方法
6 . 已知双曲线
:
的左、右焦点分别为
,
,过点
的直线
与双曲线
的左支交于点A,与双曲线
的一条渐近线在第一象限交于点
,且
(O为坐标原点).下列四个结论正确的是( )
①
;
②若
,则双曲线
的离心率
;
③
;
④
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3040b6c904477030ecf8ba20b2b18759.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5076829e649b3f3866d4a7e07a5713e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/697c20fca284394bf5d5b9e5f6d952e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.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/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ff7a1037eb6722eda89b96d7ad95c64.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b65c2898b06801e9d857607fe8acaedc.png)
②若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a79acea50854cce52cabec408c1188e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/752ffc60a91ed077a85829b2c9936940.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f51268980423c80194910c03859c1ba6.png)
④
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5e8e7d3cf24ed5e20d3a4e62ed95d5d.png)
A.①② | B.①③ | C.①②④ | D.①③④ |
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5卷引用:河南省洛阳市创新发展联盟2022-2023学年高二上学期12月阶段检测数学试题
解题方法
7 . 已知双曲线
的右焦点为
,过点
作直线
与
交于
两点,若满足
的直线
有且仅有1条,则双曲线
的离心率为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c622db6b972aaed6545bc62da10c8037.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.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/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57dfc9d1109fe41145cc892b5702d9fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
A.![]() | B.![]() | C.![]() | D.![]() ![]() |
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2卷引用:河南省洛阳市2022-2023学年高二上学期期末考试数学(文科)试题
解题方法
8 . 已知点
为抛物线
的焦点,
为抛物线上任意一点,则
的最小值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4ce04aaa1b4aed4e6618e73ad9f9f23.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/745de5ef1fd897d16e37464172d5e8c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/508734095955bb96d52f37be4e681700.png)
A.4 | B.5 | C.![]() | D.![]() |
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2卷引用:河南省洛阳市2022-2023学年高二上学期期末考试数学(文科)试题
9 . 已知椭圆
,离心率为
,点
在椭圆
上.
(1)求椭圆
的标准方程;
(2)记
为椭圆的左顶点,直线
的斜率为1且过点
,若直线
与椭圆交于点
(
均不与
重合),设直线
的斜率分别是
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad523e69a1bf925e73a22900b9855df2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d5989c84e320b504511f23eeb6e7357.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bfc2210a7e09298897f6585ad08a70d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)记
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e62ec9eb13c5cfca501ff84357595755.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d42cb68c5c877a455ba7ac0a6b6a651.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90963760acac7bfad3ae03088c6c80b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b69e3f7ddd51215d00661c09cd900d60.png)
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解题方法
10 . 已知动圆
与圆
:
,圆
:
均外切,记圆心
的运动轨迹为曲线
.
(1)求
的方程.
(2)若点
在
上,且
的面积为
,求直线
的方程.
![](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/5f4dd09871437931ae6826265a40a1e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00e635813faa2b56067f5d7fe2dd3b33.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed283a253b61df01f2a1cdc0cd8003f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2e8016c54179f8a648d960c36217195.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3171b3d11c6f4619e189677345357508.png)
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