1 . 已知
,
,
,定义一种运算:
,已知四棱锥
中,底面
是一个平行四边形,
,
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5891f123a1b17b7c2cd3e044c75e28b4.png)
(1)试计算
的绝对值的值,并求证
面
;
(2)求四棱锥
的体积,说明
的绝对值的值与四棱锥
体积的关系,并由此猜想向量这一运算
的绝对值的几何意义.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4dcdc4497ec114eb30fb171bae0f39d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec165081e4dd931003e3a326fa119dbf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7db71816a20256b3fd325abdd5e5a3d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b234d5976c5d45307e69e0b8de626220.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ef1020bb3b98ef9bca7b21e4298131c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3293ac32f52d68525f429ff3ff9a474.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5891f123a1b17b7c2cd3e044c75e28b4.png)
(1)试计算
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c690d530557809b69b776e9099da47e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccd4fd4b7a4d6b8ca0c5827c055a9ce7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
(2)求四棱锥
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c690d530557809b69b776e9099da47e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c690d530557809b69b776e9099da47e.png)
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名校
2 . 汕头市有一块如图所示的海岸,
,
为岸边,岸边形成
角,现拟在此海岸用围网建一个养殖场,现有以下两个方案:
方案l:在岸边
,
上分别取点
,
,用长度为
的围网依托岸边围成三角形
(
为围网).
方案2:在
的平分线上取一点
,再从岸边
,
上分别取点
,
,使得
,用长度为
的围网依托岸边围成四边形
(
,
为围网).
记三角形
的面积为
,四边形
的面积为
. 请分别计算
,
的最大值,并比较哪个方案好.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef4113c492885ba7c47fe42ac792578f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b90e0f35eda1a729fed485f83da5ea9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c0927afc571a7c966c98192040979e.png)
方案l:在岸边
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef4113c492885ba7c47fe42ac792578f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b90e0f35eda1a729fed485f83da5ea9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3e4917c34a4c4e654ace35eb65f179b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2935a591c968df92a8cdd2bf09d96452.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
方案2:在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d7b2fe01a33c4825f9974ed9663a99c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef4113c492885ba7c47fe42ac792578f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b90e0f35eda1a729fed485f83da5ea9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a5bae99fd8cc60917c8adb7711c2212.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3e4917c34a4c4e654ace35eb65f179b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b16c49d16305cf1afacc5a9e2bf7e9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/892909e49156f7dcc0650fcd65243877.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c8ffe24cf9f327aeb241225ab15ab1a.png)
记三角形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2935a591c968df92a8cdd2bf09d96452.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e097c8d4c948de063796bd19f85b3a9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b16c49d16305cf1afacc5a9e2bf7e9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e0bd63f55069a3bc870915010b39225.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e097c8d4c948de063796bd19f85b3a9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e0bd63f55069a3bc870915010b39225.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/6/d1764ac5-3c45-46dc-a470-c9501e47a040.png?resizew=454)
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2019-12-26更新
|
592次组卷
|
3卷引用:广东省汕头市金山中学2018-2019学年高三上学期期末数学(文)试题
广东省汕头市金山中学2018-2019学年高三上学期期末数学(文)试题广东省汕头市金山中学2020-2021学年高二上学期期末数学试题(已下线)专题03 三角函数中的实际应用问题(第一篇)-备战2020年高考数学大题精做之解答题题型全覆盖
名校
3 . 设
是定义在
上的函数,若存在
,使得
在
单调递增,在
上单调递减,则称
为
上的单峰函数,
为峰点,包含峰点的区间称为含峰区间,其含峰区间的长度为:
.
(1)判断下列函数中,哪些是“
上的单峰函数”?若是,指出峰点;若不是,说出原因;
;
(2)若函数
是
上的单峰函数,求实数
的取值范围;
(3)若函数
是区间
上的单峰函数,证明:对于任意的
,若
,则
为含峰区间;若
,则
为含峰区间;试问当
满足何种条件时,所确定的含峰区间的长度不大于0.6.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4776c85b79df196f606d3ebf3697fbc3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85b7e150af2052a1664cde963273d905.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9a801780561c48c27b05e3894de99a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eae40787b884e40c9fbff558491372d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4776c85b79df196f606d3ebf3697fbc3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13502d46b8563c54c09b29b20b3006a4.png)
(1)判断下列函数中,哪些是“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/304226ca50149b49702928e44d565964.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c29d3981fe4fc667bfc4b9ab72a0f938.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d99175f13f12333b9bf574b79cf38e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9210e75c35fb455d0446eb7ddba7d79c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/304226ca50149b49702928e44d565964.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa1825e7e125bba03a5617d0ebe2830.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5ce40da2cbd52723210bbfa98a7f81b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14283f108568721e6d9ec8d42036be33.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25ba30f1aa5e75750c67b142fc1d7837.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f2a570f0086433e604736679f7192c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
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4 . (1)在等差数列
和等比数列
中,
,是否存在正整数
,使得数列
的所有项都在数列
中,若存在,求出所有的
,若不存在,说明理由;
(2)已知当
时,有
,根据此信息,若对任意
,都有
,求
的值
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76aef4cdcb5af742ce28003b7b6c8c20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f329b217e1051b23f0d61023cdc6e69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf82c1e9501358a78d5dde6f32fd2d8d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f329b217e1051b23f0d61023cdc6e69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76aef4cdcb5af742ce28003b7b6c8c20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
(2)已知当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/358b212c1a075d80c221c0df5b72c8d6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f7a1e39dc65e132fa83c02cd0d91168.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/358b212c1a075d80c221c0df5b72c8d6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31ef8f0a683e12d585877db46d28933b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e35eeaabd951fb09b2926807da3685b.png)
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5 . 两个函数
在公共定义域上恒有
,则称这两个函数是该区间上的“同步函数”.
(1)试判断
与
是否为公共定义域上的“同步函数”?
(2)已知函数
与
是公共区域上的“同步函数”,求实数
的取值范围;
(3)已知
与
在
上是“同步函数”,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7389d52e6aad9c9c0fb7d9b820bdb86c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d27c7f82af113d582d26cf9f1d908eef.png)
(1)试判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84ca25c6e5b8145f233803f0c1f334ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b85783f003658f5b25551a155e95bff5.png)
(2)已知函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/314f0192b0e819d9c68fb4d1bd4f6898.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46aef973932a97753331db45349693cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52d0e38261407993e21de6156125fbc9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5642b5ca08cb6d2ef742debbbc49571c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a96119cc3005adf559140161bd872143.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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6 . 已知向量
,
.
(1若
,求实数
的值:
(2)若
,求实数
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96b0459ded105c937056507489f2524b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ffcc21ffa986fd2a5d15134490bd32a.png)
(1若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/076d60dd9a9db2d741198de68333aed3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91a673a996afba7bc8f184f13e908e9c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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2020-03-04更新
|
183次组卷
|
4卷引用:云南省昭通市昭阳区建飞中学2018-2019学年高一下学期期末数学试题
名校
7 . 已知非空集合
是由一些函数组成,同时满足以下性质:
①对任意
,
均存在反函数
,且
;
②对任意
,方程
均有解;
③对任意
,若函数
为定义在
上的一次函数,则
;
(1)若
,
均在集合
中,求证:函数
;
(2)若函数
在集合
中,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
①对任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cfcd04b625189228b6d697edf095f7c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32d6b59f4796a45963dea76b89c72bea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55d95e3998987a7dda4fc7dfb3f2d57d.png)
②对任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cfcd04b625189228b6d697edf095f7c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29e44284cb19805a584880a686ac3df9.png)
③对任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f87db4b7888b08d6f5c27cd745b66e36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2787142cbc51f5bcbffda80849ce17b4.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/679da8a975f3a340f456d205b9da9a42.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2197038d74821f5151b6d513048a5a30.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ff12d01f4c4c6983bac86c992b2ae87.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccaa82beb00bb0cfc14fd36468b89d69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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8 . 设集合
为下述条件的函数
的集合:①定义域为
;②对任意实数
,都有
.
(1)判断函数
是否为
中元素,并说明理由;
(2)若函数
是奇函数,证明:
;
(3)设
和
都是
中的元素,求证:
也是
中的元素,并举例说明,
不一定是
中的元素.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9f58d4591d668b4bc32fae4faab8298.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4da990cfafe050a755268b614b5bdcf.png)
(1)判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b1c079afd1b058adc67a50f48f3d466.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2c68140b732d32eb378eb1b2a6c3094.png)
(3)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98667c853ac8a2751110aa3770ed7cd5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41c7e53ddba2b07dd1d3cbbfbb439e9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
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2019-11-06更新
|
199次组卷
|
2卷引用:上海复旦附中2017-2018学年高一上学期期末数学试题
名校
解题方法
9 . 已知某观光海域AB段的长度为3百公里,一超级快艇在AB段航行,经过多次试验得到其每小时航行费用Q(单位:万元)与速度v(单位:百公里/小时)(0≤v≤3)的以下数据:
为描述该超级快艇每小时航行费用Q与速度v的关系,现有以下三种函数模型供选择:Q=av3+bv2+cv,Q=0.5v+a,Q=klogav+b.
(1)试从中确定最符合实际的函数模型,并求出相应的函数解析式;
(2)该超级快艇应以多大速度航行才能使AB段的航行费用最少?并求出最少航行费用.
0 | 1 | 2 | 3 | |
0 | 0.7 | 1.6 | 3.3 |
(1)试从中确定最符合实际的函数模型,并求出相应的函数解析式;
(2)该超级快艇应以多大速度航行才能使AB段的航行费用最少?并求出最少航行费用.
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2019-07-05更新
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14卷引用:江苏省南通市2018-2019学年高一下学期期末数学试题
江苏省南通市2018-2019学年高一下学期期末数学试题四川省遂宁市2019-2020学年高一上学期期末数学试题黑龙江省哈尔滨市第九中学2020-2021学年高一上学期期末数学试题广东省深圳市高级中学2020-2021学年高一上学期期末数学试题福建省莆田第七中学2020-2021学年高一上学期期末考试数学试题福建省厦门市第二中学2019-2020学年高一上学期期中数学试题广东省佛山市南海区2019-2020学年高一上学期12月月考数学试题江苏省常州市前黄中学溧阳中学2019-2020学年高一上学期联考数学试题黑龙江省宾县第一中学2020-2021学年高一第三次(12月)月考数学试题福建省连城县第一中学2021-2022学年高一上学期第二次月考数学试题福建省永春第二中学2022-2023学年高一上学期12月月考数学试题广东省惠州市第一中学2022-2023学年高一上学期期中数学试题福建省福州市福建师大二附中2023-2024学年高一上学期12月月考数学试题湖南省岳阳市湘阴县知源高级中学2023-2024学年高一下学期入学考试数学试题
名校
10 . 定义:对于任意
,满足条件
且
(
是与
无关的常数)的无穷数列
称为
数列.
(1)若
,证明:数列
是
数列;
(2)设数列
的通项为
,且数列
是
数列,求常数
的取值范围;
(3)设数列
,若数列
是
数列,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cea4ac187cbb465180e89f38250b3970.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68f165a34038d89623948dbe0a669df0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5612ce06759d0f77ca029d10083f7d1e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb09e0c16eaa138c476f0a4a723a6993.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
(2)设数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cdbad19dc126f3fbd389b126e8418846.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
(3)设数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6916c3f1e73c55cda9bd4b5cc01c1ab7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57ef6d44448092ebdb9e4a49d866a749.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
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2020-01-30更新
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5卷引用:上海市华东师范大学第二附属中学2016-2017学年高一下学期期末数学试题
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