解题方法
1 . 已知曲线
在点
处的切线与直线
垂直.
(1)求实数
;
(2)求函数
在
上的最大值与最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34323b0048b5c9be015e2bac5868952c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5828873f8369183faf71181cda5b61d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5922bf7445caf7b332ac48d4d835ae0a.png)
(1)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa66623cf54b42d6d12be4c8edaa7071.png)
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22-23高二下·广东深圳·期中
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2 . 函数
.
(1)若函数
存在过点
的切线,求实数
的取值范围;
(2)若
,函数
在区间
上最大值为
,最小值为
,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5fa719fa68bdfa2c4b9dcf87491b0b.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c832f2474efe89961ef41e884da7660c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d47e734b17201fe992be7775714e9558.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72850427e83ff19a24305783e080b280.png)
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3 . 已知集合
,集合
.
(1)存在
,使
,
成立,求实数
的值及集合
;
(2)命题
,有
,命题
,使得
成立.若命题
为假命题,
为真命题,求实数
的取值范围;
(3)若任意的
,都有
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21f300113438dd4fcc6c482c63fe4516.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b07d783b52a7aa14959fefff1f6f9c82.png)
(1)存在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/070054c0b4182ab7399ed56925844e93.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c8c5147899c7281b0233a2ca02e0847.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d32376822d0f20d9b264afc917b25a65.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
(2)命题
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7467b38962b39334863cb401ce899a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d75484dadcfd90b77556179228d94770.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eaa0583842bff0b9ac0a539656f88099.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9e7c815cc3e20c815f4e0596ba13d54.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e26b38e357c7d985656ba7bb3c794a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3)若任意的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ed006b944ea64f970fee46e2f558467.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9aa6ecf57fba086c6016f5e9452c831.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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4 . 已知集合
,
,
,
(1)求
,
;
(2)若
是
的充分而不必要条件,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba6cb27397050d56fe238148fcb67fa4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d334211e4a31b77020c28a4312c6a7eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0091532085f7a797b4a5e41e6cca1d31.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a964b99d839b459f7f14af1d512edcf4.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3eb5935678e432e6f1f3180bfdb3175.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/622b3e88f7f2bd5ea2211118d43c7e6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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5 . 已知椭圆
过点
,且离心率为
.
(1)求椭圆C的方程;
(2)若过椭圆C焦点F的直线l与椭圆C交于A,B两点,且以
为底边的等腰直角三角形的顶点恰好在y轴上,求直线l的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad523e69a1bf925e73a22900b9855df2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/829bcc293d9c5d54d09c9d5472716e2a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d5989c84e320b504511f23eeb6e7357.png)
(1)求椭圆C的方程;
(2)若过椭圆C焦点F的直线l与椭圆C交于A,B两点,且以
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
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解题方法
6 . 已知椭圆C的一个顶点为
,两焦点坐标分别为
,
.
(1)求椭圆C的标准方程;
(2)若直线
,与椭圆C交于不同的两点M,N,满足
,求k的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71885f023172807ad43f2c9a670aa960.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/486279e7ff9f2b76c2ce712f5dedcb9c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/385afe18c3fad66fdeadf74be824283c.png)
(1)求椭圆C的标准方程;
(2)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/becdcb8a871e8965853acf0687034c28.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b485b62d004d52fb31d6ed99ccb7669.png)
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解题方法
7 . 已知椭圆C:
焦距为6,且椭圆C上任意一点(异于长轴端点)与长轴的两个顶点连线的斜率之积为定值
.
(1)求曲线C的方程;
(2)过右焦点
作直线l交曲线C于M、N两个不同的点,记
的面积为S,求S的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dd54b9df3402ad91e2d34c40efe0c7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc47d112abcc9d7eb4a9b6203d2dd77a.png)
(1)求曲线C的方程;
(2)过右焦点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25dd698d57d1cf239eb8752aecaaa4f4.png)
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解题方法
8 . 已知在平面直角坐标系xOy中的一个椭圆,它的中心在原点,左焦点
,离心率为
.已知![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a226e791e540ed1cafef43241cbc5248.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/19/6db2f8d3-9333-443b-9760-6b27b404651c.png?resizew=187)
(1)求该椭圆的标准方程;
(2)若P是椭圆上的动点,求线段PA中点M的轨迹方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/731a46b81b2d40163e55ca742bf3e9cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/860884c0017c8bceb5b0edff796c144f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a226e791e540ed1cafef43241cbc5248.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/19/6db2f8d3-9333-443b-9760-6b27b404651c.png?resizew=187)
(1)求该椭圆的标准方程;
(2)若P是椭圆上的动点,求线段PA中点M的轨迹方程.
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2023-12-20更新
|
282次组卷
|
2卷引用:广东省珠海市第二中学2023-2024学年高二上学期第二次阶段考试数学试题
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9 . 已知点P是椭圆
上一点,点
,
分别是椭圆的左、右焦点,且
,
的周长为8.
(1)求椭圆的标准方程;
(2)若
,求点P的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48da128547c4cf9745e8e4b99988a3db.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/21e9d55173f26afdf0e37462b556a605.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33d776753746914c2410a3946c357f35.png)
(1)求椭圆的标准方程;
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70318640140823fc974fa205e3ad9a5f.png)
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23-24高一上·广东深圳·期中
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10 . 设不等式
的解集为
,关于x的不等式
的解集为
.
(1)求集合
;
(2)若“
”是“
”的必要不充分条件,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/703d1cafa1b570863ba1fff00a7cd7cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a833e0cdfba360da41d17aaf3d55cad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(1)求集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(2)若“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ed006b944ea64f970fee46e2f558467.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e23af61cd402b3789af2401bde9cbefe.png)
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