名校
解题方法
1 . 已知定义在R上的偶函数
满足
.若
,且
在
单调递增,则满足
的x的取值范围是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5bbd8e8c951cf7636b673284cc9b5a84.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01bea8bf593f594c51fc7cc547482bee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e11f4ca0e7ace69f92130d0525bcdb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9b8f23ff117e55eee44d4c2c0516b02.png)
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2023-03-07更新
|
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8卷引用:上海市奉贤区奉贤中学2024届高三下学期开学考试数学试题
名校
2 . 已知点
为双曲线
的左右焦点,过
作垂直于
轴的直线,在
轴上方交双曲线于点
,且
的面积为
.圆
的方程是
.
(1)求双曲线的方程;
(2)过双曲线上任意一点
作该双曲线两条渐近线的垂线,垂足分别为
,求
的值;
(3)过圆
上任意一点
作圆
的切线
交双曲线
于
两点,
中点为
,若
恒成立,试确定圆
半径
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c38928a92bc4b44ed3c9b89769f5372.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3040b6c904477030ecf8ba20b2b18759.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/647c652ef292861a171019076dc7d5df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41322821ce31416fdac8dd6e0aa41c71.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3503d330608e7138d1b529aba4512fa.png)
(1)求双曲线的方程;
(2)过双曲线上任意一点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/594fa9a4bce1ed5fd27e4cb55d63cf0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4ce7e97e482605c1965cbfcf895e340.png)
(3)过圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e52586ca2a3b783bc8092415e2d4bf6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2260415102415b12efe70f11719d73f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11bc05f41215f9894e11d1df0465751a.png)
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2023-02-08更新
|
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|
4卷引用:上海市奉贤区奉贤中学2024届高三下学期开学考试数学试题
上海市奉贤区奉贤中学2024届高三下学期开学考试数学试题上海市交通大学附属中学2022届高三上学期期末数学试题(已下线)专题10 圆锥曲线综合大题10种题型归类-【寒假分层作业】2024年高二数学寒假培优练(人教A版2019选择性必修第一册)(已下线)专题7-4圆锥曲线五个方程型大题归类-2
名校
解题方法
3 . 数列
的前
项和为
,
,且对任意的
都有
,则下列三个命题中,所有真命题的序号是( )
①存在实数
,使得
为等差数列;
②存在实数
,使得
为等比数列;
③若存在
,使得
,则实数
唯一.
![](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/999ac8c1ef39251e07a7fc54cbf7e26e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cea4ac187cbb465180e89f38250b3970.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/194463e3b011603ff59c0789bcb65c40.png)
①存在实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d471926f7b27322d90c82b9ce21d3d.png)
②存在实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d471926f7b27322d90c82b9ce21d3d.png)
③若存在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31e36bff57bcfa86432b340e25e51d42.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17bdc46d9f8256161c18158c1f5dc386.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
A.② | B.① | C.①③ | D.①②③ |
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|
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3卷引用:上海市奉贤区致远高级中学2022届高三下学期开学评估数学试题
名校
解题方法
4 . 已知函数
.
(1)解不等式
;
(2)设
均为实数,当
时,
的最大值为1,且满足此条件的任意实数
及
的值,使得关于
的不等式
恒成立,求
的取值范围;
(3)设
为实数,若关于
的方程
恰有两个不相等的实数根
,且
,试将
表示为关于
的函数,并写出此函数的定义域.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14c056eb5efd19642d29636242f2e5e0.png)
(1)解不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39d4bdc091d164863ffabe2a60c7e847.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef3e9eb0c4bd9c899886668229c4c947.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b9849dc6798e2c2ec12730b92117e77.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a863acb0ba30d483b216c4409b8b20f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
(3)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6baa1c342eccdee55f4b91793bfe2d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26d8dafc71b106f39f4e15442220897b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78eb25c4cd80bc4cf705a3dd92a04f78.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
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2021-10-13更新
|
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|
6卷引用:上海市奉贤中学2022届高三上学期开学考数学试题
上海市奉贤中学2022届高三上学期开学考数学试题上海市普陀区2021届高三上学期一模数学试题(已下线)课时13 函数的基本性质-2022年高考数学一轮复习小题多维练(上海专用)(已下线)考向03 函数及其性质-备战2022年高考数学一轮复习考点微专题(上海专用)上海市川沙中学2022届高三上学期第一次月考数学试题上海市实验学校2022-2023学年高一上学期期末数学试题
5 . 如图,已知椭圆
的左右顶点分别为A、B,P是椭圆
上异于A、B的一点,直线
,直线
、
分别交直线l于两点C、D,线段
的中点为E.
![](https://img.xkw.com/dksih/QBM/2021/5/2/2712323799859200/2715189758140416/STEM/1ada3aaccf274444ba0f2583744b085c.png?resizew=224)
(1)设直线
、
的斜率分别为
、
,求
的值;
(2)设
、
的面积分别为
、
,如果
,求直线
的方程;
(3)在x轴上是否存在定点
,使得当直线
、
的斜率
、
存在时,
为定值?若存在,求出
的值;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae7b1b8a84ae7a1b2243b78cc932860d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/495bb3e5a3a9d35f5c9f0cf1f5d51876.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20a541b81584a032f571159ea152c85a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cdba1337ec85fa9722cb4b320a82ae6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://img.xkw.com/dksih/QBM/2021/5/2/2712323799859200/2715189758140416/STEM/1ada3aaccf274444ba0f2583744b085c.png?resizew=224)
(1)设直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20a541b81584a032f571159ea152c85a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cdba1337ec85fa9722cb4b320a82ae6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8f145b2ee281664660dea890bb24e32.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd0d3de89a3c9fb5f775b2dab1842ef2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e29f704ed1e1faa4ad7cd45c34cfb7a6.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a855335176fc36a15017f50a8561348.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e097c8d4c948de063796bd19f85b3a9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e0bd63f55069a3bc870915010b39225.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0acefc1a2f02c6fcf971b8038323ea03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20a541b81584a032f571159ea152c85a.png)
(3)在x轴上是否存在定点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/432aae51854129e8c10f7c34c0c3a79f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5845ffc7d1af9053b027cf9e726f5367.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5d8e33929752b1cb4dd36ee9b98b45d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94803c9730f71fae718a49d175764626.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0a5f6ebeb8236a8076063bdd38c7b2d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bb2a5a3cf8b042db94b784a6b1e2556.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bb2a5a3cf8b042db94b784a6b1e2556.png)
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2021-05-06更新
|
252次组卷
|
2卷引用:上海市奉贤区致远高级中学2022届高三下学期开学评估数学试题
解题方法
6 . 已知无穷数列
与无穷数列
满足下列条件:①
;②
.记数列
的前
项积为
.
(1)若
,求
;
(2)是否存在
,使得
成等差数列?若存在,请写出一组
;若不存在,请说明理由;
(3)若
,求
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d471926f7b27322d90c82b9ce21d3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5fce83115a50f99e08e9a2db7267aeed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed66ba9376feb1cb58b80abd17ab638a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9487a417f7059568539f6f39cce57681.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5fce83115a50f99e08e9a2db7267aeed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1ae9a3b0b7aeb1545b65d91aa371b3c.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92cf3be68720dfac5c5ebfbdb7e782c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2114a0fe21dc0e5bf831c146ef02b113.png)
(2)是否存在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dec99c57bf7997bd93e1ed8f48d5af9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a447e5baee4f7518706498d4aca7553b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dec99c57bf7997bd93e1ed8f48d5af9a.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59dd6c97d2ee3e74ba5730f1cbcc1d43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7e3577ef49a3177a78392e720ea4a04.png)
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2021-05-05更新
|
759次组卷
|
5卷引用:上海市奉贤区致远高级中学2022届高三下学期开学评估数学试题
上海市奉贤区致远高级中学2022届高三下学期开学评估数学试题上海市杨浦区2021届高三二模数学试题(已下线)课时22 数列、等差数列、等比数列-2022年高考数学一轮复习小题多维练(上海专用)(已下线)考向16 数列求和及数列的综合应用-备战2022年高考数学一轮复习考点微专题(上海专用)(已下线)考向21数列综合运用(重点) - 2
名校
7 . 如图所示,在直角梯形ABCD中,已知
,
,
,
,M为BD的中点,设P、Q分别为线段AB、CD上的动点,若P、M、Q三点共线,则
的最大值为__ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34e0a957a55460c72673c0f2ee90dbb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9723a6e093c297b001436e8932b1820.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d262480ffb55b7617f44b63f130c154a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef0402dd5ae3db10281f9f1e11738bcb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78ce7fb8c9f05610966cc356a3f97779.png)
![](https://img.xkw.com/dksih/QBM/2021/4/5/2693509786214400/2694126481883136/STEM/e23c9a88973c4c55abae82bd7e09b8ff.png?resizew=165)
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2021-04-06更新
|
2204次组卷
|
9卷引用:上海市奉贤中学2022届高三上学期开学考数学试题
上海市奉贤中学2022届高三上学期开学考数学试题上海市普陀区2021届高三上学期一模数学试题(已下线)黄金卷07-【赢在高考·黄金20卷】备战2021年高考数学全真模拟卷(江苏专用)(已下线)考点33 平面向量的数量积-备战2021年高考数学经典小题考前必刷(新高考地区专用)(已下线)专题20 平面向量共线定理-学会解题之高三数学万能解题模板【2022版】(已下线)第11讲 平面向量-2(已下线)专题8 向量共线定理的应用上海市复旦大学附属中学2022-2023学年高一下学期期中数学试题江西省南昌市南昌县莲塘第一中学2024届高三上学期10月质量检测数学试题
名校
解题方法
8 . 已知
是奇函数,定义域为
,当
时,
(
),当函数
有3个零点时,则实数
的取值范围是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d188ec2580e273ce87e51653a2177ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b846a5345092fb8707e259e103f03a89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a92cfb462a9a973d59439b62adbb26da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29145ea38299ebe4c2424013b73e2043.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
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2020-12-25更新
|
867次组卷
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10卷引用:上海市奉贤中学2022届高三上学期开学考数学试题
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9 . 如图,正四棱锥
的底面边长和高均为2,M是侧棱PC的中点,若过AM作该正四棱锥的截面,分别交棱PB、PD于点E、F(可与端点重合),则四棱锥
的体积的取值范围是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/25/a3587a88-b063-4d91-8f61-6690cedcf574.png?resizew=219)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3b248cd1f6a71371cf38374c7a4c74d.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/25/a3587a88-b063-4d91-8f61-6690cedcf574.png?resizew=219)
A.![]() | B.![]() | C.![]() | D.![]() |
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10卷引用:上海市奉贤区奉贤中学2024届高三下学期开学考试数学试题
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10 . 已知无穷数列
的首项为
,其前
项和为
,且
(
),其中
为常数且
.
(1)设
,求数列
的通项公式,并求
的值;
(2)设
,
,是否存在正整数
使得数列
中的项
成立?若存在,求出满足条件
的所有值;若不存在,请说明理由.
(3)求证:数列
中不同的两项之和仍为此数列中的某一项的充要条件为存在整数
且
,使得
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d471926f7b27322d90c82b9ce21d3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e72adb45c60c2f63b46e65ff787302bf.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/4fade3b62af2d51880b021a075dcd551.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/930bc56406e69b785b37a83d48e36724.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c02bc0c74292b1e8f395f90935d3174.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/812be9806122241c476ba1db516c4823.png)
(1)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7335c79ec0592fc36288f5135e86c6b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d471926f7b27322d90c82b9ce21d3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c8212a513bceafbdb6e7e617a29079c.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5c1344592c925b273f2cb9b9e47ebbb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6760775a38ed18ab8f346346e25de2ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/636f37adeddc68d0830ecd7d1c61ff8b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a98b2a1269d8cb234c7cc9d49e75196b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
(3)求证:数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d471926f7b27322d90c82b9ce21d3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c87a9ef1f87936695fb681df932efd10.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c54680219b440350ffc5f1f43b3b78e0.png)
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4卷引用:上海市奉贤中学2022届高三上学期开学考数学试题
上海市奉贤中学2022届高三上学期开学考数学试题上海市普陀区2021届高三上学期一模数学试题(已下线)重难点01 数列(基本通项求法)-2021年高考数学【热点·重点·难点】专练(上海专用)(已下线)考向14 等差数列-备战2022年高考数学一轮复习考点微专题(上海专用)