名校
解题方法
1 . 已知
,则下列说法中错误的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92dd8ad6dc4ac1a14dd42c4b5bf9ccb8.png)
A.![]() |
B.![]() ![]() |
C.![]() ![]() |
D.当![]() ![]() |
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名校
2 . 已知
分别满足下列关系:
,则
的大小关系为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d10449bc77d692a7270e0f20a68cdf2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c034fe93ffb4be7bec50b0c129595a41.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d10449bc77d692a7270e0f20a68cdf2.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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名校
3 . 已知函数
,
.
(1)试比较
与
的大小;
(2)若
恒成立,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cc1b193aa193153eb402df8560778e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da03d776579dde13f36c82b72d21c735.png)
(1)试比较
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a813b5adbf5c7082561237894ba6d599.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9edd5fb06678dd2cd97d38907b64049.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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名校
解题方法
4 . 瑞士数学家Jakob Bernoulli于17世纪提出如下不等式:
,有
,请运用以上知识解决如下问题:若
,
,
,则以下不等式正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02fe85f6383f5b2aca40ab15ba4bc248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad60f119e4acac5bc0194a7c64b687e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7326ea56be82bd616fec7e6aa3c884c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05e84dbb03e8c627ff11d5c7aeb0c8b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2958030ec9d7543dda1f529593a915e2.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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2024·全国·模拟预测
解题方法
5 . 已知定义域为
的函数
满足
,
,
为函数
的导函数,则下列结论正确的为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95cd35cdbe541b4c56b2e519da8f7fae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32d1b5c221eae7af0c935cac8bb124f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a4b04824a308519a61318a82aa97a05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
A.![]() |
B.![]() |
C.![]() |
D.![]() |
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解题方法
6 . 我们知道,二维空间(平面)向量可用二元有序数组
表示;三维空间向盘可用三元有序数组
表示.一般地,
维空间向量用
元有序数组
表示,其中
称为空间向量的第
个分量,
为这个分量的下标.对于
维空间向量
,定义集合
.记
的元素的个数为
(约定空集的元素个数为0).
(1)若空间向量
,求
及
;
(2)对于空间向量
.若
,求证:
,若
,则
;
(3)若空间向量
的坐标满足
,当
时,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1acd1459dd96e861e6e04abccb2a3817.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4c2a29087dbd2e7635da13f7d288c1c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/086eb439f6a1578fdba904825340772d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5a3c6c6fe94124d76957d9a8c837701.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8715a3f984d2627afd7c40c61347b7cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/086eb439f6a1578fdba904825340772d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc4e5fb9e41d1310778b0dda692066dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/afad70ea217c830631639e8508ad410b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0196cb738ee760339a9e15c8e6d9a41.png)
(1)若空间向量
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd4517944d03f267b87ee1c184f463dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7a0d7cdd1e3a38753d1290d9de9f9af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ecc51f796615bfd474cee9d4d80e1eae.png)
(2)对于空间向量
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/086eb439f6a1578fdba904825340772d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09611387d4de23004d388c9a8dde3438.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/daee8af73118698c77e022651f69ef22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b71af6590f0f369c164a054a8b63bf6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1a205f096c854a2f7cd71255056f9f7.png)
(3)若空间向量
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0bd074bea5f4eb8f60729b75e970afda.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3894099d6bf29b73086842a48da10174.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3bcfc48f9bc23cc43085bdb910e7a136.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1653bed33a88140f16d494e8454f5225.png)
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7 . 在数列
中,
,
.给出下列三个结论:
①存在正整数
,当
时,
;
②存在正整数
,当
时,
;
③存在正整数
,当
时,
.
其中所有正确结论的序号是_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd015442628054692b8cc0a19c77d2bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9871684eaddd74a5ffa9f907790acdb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ec8e838690c44786ee8343b57904b3e.png)
①存在正整数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65fe91daf4622edddc49cf828e132432.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/facdd0916180bd028327e523bdcd3f52.png)
②存在正整数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65fe91daf4622edddc49cf828e132432.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7fd3e65f0f4bf3e5fb6570df7fb60510.png)
③存在正整数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65fe91daf4622edddc49cf828e132432.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b034b89c013225cb2117287dc0a8c61.png)
其中所有正确结论的序号是
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解题方法
8 . 已知正数
满足
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ecdddb18b04521519c2c0cb799598be.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2024-04-24更新
|
522次组卷
|
3卷引用:2024届四川省攀枝花市高三下学期第三次统一考试文科数学试题
名校
解题方法
9 . 已知正项数列
的前
项和为
,前
项积为
,且满足
,则不等式
成立的
的最小值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d471926f7b27322d90c82b9ce21d3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1ae9a3b0b7aeb1545b65d91aa371b3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86b56d8b41fbd3e1eb44facd8836f3b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4bd76c56e0e3c982d4504a8815b34ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
A.11 | B.12 | C.13 | D.10 |
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解题方法
10 . 某军区红、蓝两方进行战斗演习,假设双方兵力(战斗单位数)随时间的变化遵循兰彻斯特模型:
,其中正实数
,
分别为红、蓝两方的初始兵力,
为战斗时间;
,
分别为红、蓝两方
时刻的兵力;正实数
,
分别为红方对蓝方、蓝方对红方的战斗效果系数;
和
分别为双曲余弦函数和双曲正弦函数.规定:当红、蓝两方任何一方兵力为0时战斗演习结束,另一方获得战斗演习胜利,并记战斗持续时长为
.则下列结论不正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5714fcfedcb40b95f982ca26bb0a9a7c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd680d9d3352bfe69d373054ab106a0d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/077e9883cc54992f7b96962895db9c26.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2a22953b66e5f4a0337d22162a24b6b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37f1e0268e7e4ace8e70b4d38ad6d08d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e0639494fc8cc7a048c7621f972eae6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6a59c8dc71935b342d42cb4a54eed27.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
A.若![]() ![]() ![]() |
B.若![]() ![]() ![]() |
C.若![]() |
D.若![]() |
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