解题方法
1 . 设
是双曲线![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c5c2e64358e0ec7aa142c336d970306.png)
的左、右焦点,O是坐标原点,点P是C上异于实轴端点的任意一点,若![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ba9caa134d12fe02f8b477c753fa682.png)
则C的离心率为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7306f731071c9b383b74c04d900b2982.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c5c2e64358e0ec7aa142c336d970306.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d26d3f9d8344e1c727fbbed5421daaa2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ba9caa134d12fe02f8b477c753fa682.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c915b4ce31fabfd4703c547291ad9277.png)
A.![]() | B.![]() | C.3 | D.2 |
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2024-04-24更新
|
382次组卷
|
2卷引用:四川省德阳市2024届高三下学期“三诊”考试(理科)数学试题
2 . 设函数
,
.
(1)试研究
在区间
上的极值点;
(2)当
时,
,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/346ca3a3cdee16abcc9db71f1e59f485.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b8a0ce672d5dc7b1e016f57494514ac.png)
(1)试研究
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01a280c4729091d867cfb43dc342167f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/870ebc2f7aabb028024894568d749934.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6e2e79843faf62dde86bf858d1e0569.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43920f5171ed31db2520ef00e4c5fc24.png)
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2024-04-24更新
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364次组卷
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2卷引用:四川省德阳市2024届高三下学期“三诊”考试(理科)数学试题
3 . 已知函数
及其导函数
的定义域均为
,且
,
,则不等式
的解集是( )
![](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/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2630e3bf77c8aa02d7147368b615fac1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f615401471b8389b8ec8a9702f3e7896.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb7a797c4db2b17572ceed72d88a2e9c.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2024-04-24更新
|
570次组卷
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2卷引用:四川省德阳市2024届高三下学期“三诊”考试(理科)数学试题
解题方法
4 . 已知函数
,且
,则
的值是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/587882ac081850caa4447c44a7dbb845.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22a325d704a7e00ccbfd227555c98f8b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63e0e24323fe73e5d9fc6136219306da.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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5 . 已知抛物线
,直线
与抛物线
交于不同的两点
为坐标原点.
(1)若
,求证:直线
过定点;
(2)若直线
的方程为
,且
与
轴交于点
,是否存在以
为圆心、2为半径的圆,使得过抛物线
上任意一点
作圆
的两条切线,与抛物线
交于另外两点
时,总有直线
也与圆
相切?若存在,求出此时
的值;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f4fb72e39d79b7a0cd892fa5fa34bb7.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/ef644115c956ed62c3da8310c6f67ecd.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee808a07c981406a44a69cb124792071.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
(2)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1223bfc893b5e816cdaa34173a3e0c81.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.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/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
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解题方法
6 . 已知直线
与曲线
相切,则
的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a46b4e950b6fc1f7885ec992eab7b9ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82cf17750723d227ae93260a61c82b79.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.1 | C.![]() | D.![]() |
您最近一年使用:0次
7 . 已知
为椭圆
的两个焦点,
为原点,
为椭圆
上一点,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be68669e8cde95b6f844477a2acfb1e3.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb4402aeb853b22f20992156957ef0fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.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/a7affd8a277498fd39b4a2a95d649f45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be68669e8cde95b6f844477a2acfb1e3.png)
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名校
8 . 已知函数
,
(1)当
时,讨论
的单调性;
(2)若函数
有两个极值点
,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c04c4422555ae126c1e70c9ed147d552.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fcad362a59670d52247deb8af650927.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91060b34c7b5d0b7f129008279f3d21d.png)
您最近一年使用:0次
2024-04-16更新
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1389次组卷
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3卷引用:四川省德阳市重点高中2024届高三诊断模拟考试(二)数学(理科)试题
名校
9 . 已知
,则
的大小关系是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e13f9868c788bcf46a1bdd1ede36003.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2024-04-16更新
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997次组卷
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7卷引用:四川省德阳市重点高中2024届高三诊断模拟考试(二)数学(理科)试题
四川省德阳市重点高中2024届高三诊断模拟考试(二)数学(理科)试题(已下线)第一套 艺体生新高考全真模拟 (二模重组卷)(已下线)第一套 艺体生新高考全真模拟 (二模重组卷1)陕西省西安市西安中学2024届高三仿真考试(一)数学试题辽宁省大连市第八中学2023-2024学年高二下学期期中考试数学试题吉林省长春市实验中学2023-2024学年高二下学期5月期中考试数学试题广西南宁市第二中学·柳州高级中学2023-2024学年高二下学期5月联考数学试题
解题方法
10 . 已知函数
的定义域为
,且满足
,则“
”是“
是奇函数”的( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9bd7985eeb6d2559057a00fa04771057.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f598cfa9162653c403e397cd16cb6e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
A.充分不必要条件 | B.必要不充分条件 |
C.充分必要条件 | D.既不充分也不必要条件 |
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