名校
1 . 已知函数
.
(1)求
的单调递增区间;
(2)在
中,a,b,c为角A,B,C的对边,且满足
,且
,求角A的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cba5015a63810d0b1d646fedff541a40.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8008fc63c06f9fa1f25a8df1a8352f63.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc23eac3b58e300bda9b37f14c2f852b.png)
您最近一年使用:0次
名校
解题方法
2 . 元荡湖位于长三角一体化示范区内,2018年青浦㨦手吴江启动实施了元荡生态岸线整治,2023年8月实现元荡青浦段岸线全线贯通.如图,为拓展旅游业务,现准备在元荡湖边建造一个观景台
,已知射线
,
为元荡湖两边夹角为
的公路(长度均超过2千米),在两条公路
,
上分别设立游客接送点
,
,从观景台
到
,
建造两条观光线路
,
,测得
千米,
千米.
的长度;
(2)若
,求两条观光线路
与
之和的最大值.
![](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/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c0927afc571a7c966c98192040979e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.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/dad2a36927223bd70f426ba06aea4b45.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/892909e49156f7dcc0650fcd65243877.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c8ffe24cf9f327aeb241225ab15ab1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/810fee760e06028fb7d37e65db79bfa7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28c65312db84bbe37e0e1b400bf78c2c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/add60595ecea5d00ff1fbb2a5409be73.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/892909e49156f7dcc0650fcd65243877.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c8ffe24cf9f327aeb241225ab15ab1a.png)
您最近一年使用:0次
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解题方法
3 . 已知数列
中
且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3f7fda69e2b32b9ced2239f915fa59b.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6065aaa8f3f103d1bc960da8318ce35.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8ba7c26456e0715f49f377c7cde2d98.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3f7fda69e2b32b9ced2239f915fa59b.png)
您最近一年使用:0次
2024-04-18更新
|
851次组卷
|
3卷引用:上海市青浦高级中学2023-2024学年高二下学期3月质量检测数学试卷
上海市青浦高级中学2023-2024学年高二下学期3月质量检测数学试卷(已下线)模块五 专题2 全真基础模拟2(人教B版高二期中)四川省广安市友实学校2023-2024学年高二下学期第一次月考数学试题
4 . 设
是首项为
,公比为q的等比数列
的前
项和,且
,则( ).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e72adb45c60c2f63b46e65ff787302bf.png)
![](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/58fb8ef42b5e4cfa79cbe1fb0e66cdc9.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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解题方法
5 . 等差数列
的公差
,其前
项和为
,若
,则
中,不同的数值有______ 个.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/812be9806122241c476ba1db516c4823.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/72c98aaba1203b133a3b019d6102e367.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80707ef40916b8401f2eccd36a0e9ecd.png)
您最近一年使用:0次
解题方法
6 . 若对任意的
,不等式
恒成立,则实数
的取值范围是_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0eac2b31a19918895e5af2d316490e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/373a549022ebca973020fa20a95bc29e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
解题方法
7 . 在中,角
,
,
所对的边分别为
,
,
,且满足
.
(1)求角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6129fbf40a950fc8c516f0abaab21957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
您最近一年使用:0次
名校
8 . 等比数列
的首项
,公比为
,数列
满足
(
是正整数),若当且仅当
时,
的前
项和
取得最大值,则
取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa08a089a48737b6a0c47cd150b9f12a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31f36087983e31e24f5cbf1d4bea4795.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fac3649308b528fd56545ba102dc42d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63f5c583c98a1fd516c6ceaa60b55dec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2023-12-13更新
|
1095次组卷
|
11卷引用:上海市青浦区朱家角中学2023-2024学年高二上学期期末考试数学试题
上海市青浦区朱家角中学2023-2024学年高二上学期期末考试数学试题上海市杨浦区2024届高三上学期模拟质量调研数学试题(已下线)模块一 专题6 数列的通项公式与求和问题广东省珠海市第一中学2024届高三上学期大湾区期末数学预测卷(五)(已下线)第05讲:等差数列和等比数列(必刷12大考题+12大题型)-2023-2024学年高二数学上学期《考点·题型·难点》期末高效复习(人教A版2019)(已下线)专题09 数列的通项公式、数列求和及综合应用(9大核心考点)(讲义)(已下线)专题05 数列(四大类型题)15区新题速递(已下线)专题03 函数(三大类型题)15区新题速递(已下线)模块一专题3 数列的实际应用和综合问题【讲】高二下人教B版(已下线)模块一 专题4 数列的实际应用和综合问题【讲】高二下北师大版广东省广州市第二中学2023-2024学年高二下学期期中考试数学试题
名校
解题方法
9 . 设
是首项为3且公比为
的等比数列,则满足不等式
的最小正整数
的值为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d02a8555da4dbbc7820a50a95b071ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/adbd3e8cf8325999cde03adf845d3dd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c96432d89142c73879bac0d2d989738b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
您最近一年使用:0次
2023-12-06更新
|
471次组卷
|
2卷引用:上海市青浦区朱家角中学2023-2024学年高二上学期期末考试数学试题
10 . 已知等比数列
是严格增数列,其第3、4、5项的乘积为1000,并且这三项分别乘以4、3、2后,所得三个数依次成等差数列.
(1)求数列
的通项公式;
(2)若对任意的正整数n,数列
的前n项和
,向量
的模为
,求数列
的前n项和.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
(1)求数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
(2)若对任意的正整数n,数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/716d6be9fcea44d5327c3e84184cd59e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47effb08024b185f391f1177e77609d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c2b289b20ecde54bf91c3a0bd5869e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9297e289a9ef977009186083ec738ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/272b44a71d0bec02b3c4f3f05304f942.png)
您最近一年使用:0次
2023-12-06更新
|
319次组卷
|
2卷引用:上海市青浦区朱家角中学2023-2024学年高二上学期期末考试数学试题