1 . 已知椭圆
的左、右顶点分别为A,B,离心率为
,长轴长为4,过点
的直线l交
于M,N两点(M在x轴上方).
(1)求
的方程;
(2)记
的面积为
,
的面积为
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2e31f17d3eae2f76500ee2e8f955865.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/860884c0017c8bceb5b0edff796c144f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7ff329f3b12cf5678e99941e7188621.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
(2)记
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d20d576d3824eaf583c67809124c6327.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e097c8d4c948de063796bd19f85b3a9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12e393d1699fb6b046fc10dc33e6864b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e0bd63f55069a3bc870915010b39225.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/235f0a6fb218d28383e6f27f2df1f50f.png)
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2 . 已知函数
及其导函数
的定义域均为
,且
,
的图象关于点
对称,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/724340d69477c0ec2418c392b22b1cab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/afae8a24472c2ad833ea7aa89cd35e9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/724340d69477c0ec2418c392b22b1cab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d7a999c36de5c9a9ce876a4a56fa34c.png)
A.![]() |
B.![]() |
C.![]() ![]() |
D.![]() |
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2024-02-23更新
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4卷引用:河北省部分重点高中2023-2024学年高三上学期2月期末考试数学试题
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3 . 已知函数
.
(1)
时,求函数
的值域;
(2)若
在
上有两个实数根,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e67d87e04ce614b199dd257daae87641.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a18ca67c2770b98f36dbfd802595a95.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03db4ea1dcb63b22cf4e917df5db581e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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4 . 已知椭圆C:
(
),F是其右焦点,点
在椭圆上,且PF⊥x轴,O为原点.
(1)求椭圆C的方程;
(2)若M,N是椭圆C上的两点,且△OMN的面积为
,求证:直线OM与ON的斜率之积为定值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d7aea48c44781a844b5c19191f70f61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a0c4c098615c6bc7e6dcf72e5b5201a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a818c7b7f571f7173feb9b73424d5ffe.png)
(1)求椭圆C的方程;
(2)若M,N是椭圆C上的两点,且△OMN的面积为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf298f00799cbf34b4db26f5f63af92f.png)
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解题方法
5 . 直线
与曲线
的公共点的个数为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08b9f0b9e53a83e68f5fec944f343119.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2033b4a5b2a996a08da3e205a3071242.png)
A.1 | B.2 | C.3 | D.4 |
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6 . 已知函数
.
(1)当
时,求
的单调区间;
(2)若
是
的极小值点,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e0b99093b2f29192833128105c1b35b.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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|
1330次组卷
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6卷引用:河北省金科大联考2024届高三上学期1月质量检测数学试题
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解题方法
7 . 已知双曲线
的离心率为2,左、右顶点分别为
,右焦点为
,
是
上位于第一象限的两点,
,若
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ef66f4832adc43902055a7e6d258037.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00442d96d695db2c58bf1fb7165fca94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab609a6574633ebabcff3e73fa862081.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18290a33d540589705521b0c2bdd3914.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/570fa13a80c87d908c3b97987d45201e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b750c2c4bf7414890b336d4e70de1a5d.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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5卷引用:河北省金科大联考2024届高三上学期1月质量检测数学试题
河北省金科大联考2024届高三上学期1月质量检测数学试题吉林省通化市梅河口市第五中学2024届高三下学期开学考试数学试题安徽省合肥一六八中学2024届高三“九省联考”考后适应性测试数学试题(三)(已下线)专题07 双曲线与抛物线(讲义)(已下线)【讲】专题7 解三角形与其它知识的交汇问题
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解题方法
8 . 已知椭圆
为
的左、右焦点,
为
上的一个动点(异于左右顶点),设
的外接圆面积为
,内切圆面积为
,则
的最小值为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/564ac99fcfc5957055f1bd3ea05fc98c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/002ed1ebb2cb936e10ab478789f91c7c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e097c8d4c948de063796bd19f85b3a9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e0bd63f55069a3bc870915010b39225.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb4b1ee976e8a432c739812596e036bb.png)
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9 . 已知
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f3062d995f71f57bb02b188f308b986.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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10 . 已知函数
,函数
有4个不同的零点
,
,
,
且
,则
的取值可能为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c46f77f7cef001a7c62b984ffbc7869.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3493c543f0eafc74f6a23e18869a6452.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/291c25fc6a69d6d0ccfb8d839b9b4462.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/365b38a7689a8eede6820cd6f1fe952b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3604274ad6707a906eba371a9e884144.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2741ca619df1d9ab3d9ced4c49142dc.png)
A.![]() | B.7 | C.![]() | D.![]() |
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