1 . 已知函数.
(1)讨论函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/451db7ceb8fa940ea952664519a54a58.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e81b4aac721bcd4a49593b48a28a8f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
(3)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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解题方法
2 . 已知椭圆
,直线
经过椭圆的左顶点和上顶点.
(1)求椭圆
的标准方程;
(2)直线
上是否存在一点
,过点
作椭圆
的两条切线分别切于点
与点
,点
在以
为直径的圆上,若存在,求出点
坐标;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6b0dadb875cccce870b69409a476606.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6d19ed9203b640c5551db68b14fc04b.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.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/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
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3 . 已知函数
.
(1)证明:
,有
;
(2)设
(
),讨论
的单调性.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2827943eee7716dc5609485eef4f846a.png)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6422b9c2e93a91fe9e39ce4d9dabb0fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94cc25a7cf28ed096549fbae97fce40a.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1635473a4200e29e0cd13dffa54f7571.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d33da711e50e96568facb18cef27165.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
您最近一年使用:0次
名校
解题方法
4 . 已知函数
.
(1)若
在
上单调递减,求
的取值范围;
(2)若
有两个极值点
,
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60cd5cad03de96aa3d9d022ce36d434e.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d562dc22dfb3b81d0c3f88b54d063c2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)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/8b34154b8cb1212f7b36a696b91df1c9.png)
您最近一年使用:0次
2023-11-28更新
|
605次组卷
|
4卷引用:西藏拉萨市城关区拉萨中学2024届高三第五次月考数学(文)试题
名校
5 . 设点
,
分别为椭圆
:
的左、右焦点,点
是椭圆
上任意一点,若使得
成立的点恰好是4个,则实数
的取值可以是( )
![](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/0cb4717d7fa6d522090c5e949f650bd8.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/3e3f19ff9d533161dedf49cf9a921341.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
A.1 | B.3 | C.5 | D.4 |
您最近一年使用:0次
2023-11-07更新
|
376次组卷
|
6卷引用:西藏山南市第二高级中学2023-2024学年高二上学期期末考试数学试题
名校
解题方法
6 . 已知定义在
上的函数
满足
,且
,
为
的导函数,当
时,
,则不等式
的解集为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b61bb7cb94b4d06f0090df1e365667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c18fde412b2ecdb41eec38be58b7ae34.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0821c40e176dba970b362f6bd1540e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/724340d69477c0ec2418c392b22b1cab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50af11c345056215054f7cfe679939da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a84646d17a4842dc4c219c46e9408b93.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50d4ce6204b506c2164d2c7e5dbb7a6a.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
解题方法
7 . 已知双曲线C:
的离心率为
,F为C的左焦点,P是C右支上的点,点P到C的两条渐近线的距离之积为
.
(1)求C的方程;
(2)若线段PF与C的左支交于点Q,与两条渐近线交于点A,B,且
,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3040b6c904477030ecf8ba20b2b18759.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18483c9c195ecd922772527fa85c0fcb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b2a698891d42c70b597f0da4f215f09.png)
(1)求C的方程;
(2)若线段PF与C的左支交于点Q,与两条渐近线交于点A,B,且
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b606474ea21237ea989574a9a3fc6ebb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d44e8bc37ed03f44470762748a8f942a.png)
您最近一年使用:0次
名校
解题方法
8 . 已知函数.
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/724340d69477c0ec2418c392b22b1cab.png)
(2)若方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37fc14e0e9de52e4d6a36af83854f15f.png)
您最近一年使用:0次
2023-08-13更新
|
592次组卷
|
5卷引用:西藏自治区拉萨市2024届高三一模数学(理)试题
名校
9 . 已知椭圆
的离心率为
,双曲线
的离心率为
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd486b8796b3454eab219c28ed131683.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d33558881906c228c262ff8024dcfc4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e376b48dacaa422f4d21afe48c32523.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a33a99190a8fd29c36d5a002e3197cc5.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2023-12-29更新
|
191次组卷
|
11卷引用:西藏山南市普通高中2023-2024学年高二上学期期末考试数学试题
西藏山南市普通高中2023-2024学年高二上学期期末考试数学试题青海省西宁市大通回族土族自治县2021-2022学年高二上学期期末考试数学(理)试题青海省西宁市大通回族土族自治县2021-2022学年高二上学期期末考试数学(文)试题青海省海南藏族自治州高级中学2021-2022学年高二上学期期末考试数学(理)试题青海省海南藏族自治州高级中学2021-2022学年高二上学期期末考试数学(文)试题陕西省咸阳市永寿县中学2022-2023学年高二上学期第三次月考文科数学试题吉林省四平市第一高级中学2021-2022学年高二上学期第三次月考数学试题山西省介休市第一中学校2022-2023学年高二上学期12月月考数学试题湖南省郴州市嘉禾县第一中学2021-2022学年高二上学期期末模拟数学试题河南省焦作市第一中学2022-2023学年高二下学期4月模拟检测数学试题四川省成都市高新实验中学2023-2024学年高二上学期12月月考数学试题
解题方法
10 . 某学校共有
名学生参加知识竞赛,其中男生
人,为了解该校学生在知识竞赛中的情况,采用分层随机抽样的方法抽取了
名学生进行调查,分数分布在
分之间,根据调查的结果绘制的学生分数频率分布直方图如图所示.将分数不低于
分的学生称为“高分选手”.
(1)求
的值;
(2)若样本中属于“高分选手”的女生有
人,试完成
列联表,依据
的独立性检验,能否认为该校学生属于“高分选手”与“性别”有关联?
(参考公式:
,其中
)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dadc63e6e33743ce590ed968948a5a58.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ba602bfa3a3ffb4fb43dc0f704a7f7d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0efba7147f5b9ced8bc4a72f0a9fb8af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/adaa62b51e1ec4867a88da39ff5956a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd3f655880d195d067a275e34a20a263.png)
属于“高分选手” | 不属于“高分选手” | 合计 | |
男生 | |||
女生 | |||
合计 |
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若样本中属于“高分选手”的女生有
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d07ae0b4264da6a8812454ffd2f20d94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b72fcdc709e77910cd36a26369648b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/793afd75d2b29a7bd118aae3294293c2.png)
(参考公式:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7dc70b5e1ba847b9918a50f67bfbe8f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/356b05e46b10ee51c3e43546d73ec96c.png)
![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() |
![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() |
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