9-10高二·山西临汾·阶段练习
真题
名校
1 . 设设
是一个公差为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c02bc0c74292b1e8f395f90935d3174.png)
的等差数列,它的前10项和
,且
成等比数列.
(1)证明:
;
(2)求公差
的值和数列
的通项公式.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c02bc0c74292b1e8f395f90935d3174.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6244222d8b4e21fc28c0454d0276a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc91e27c7410472197be18c0ed2ebb3f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edcd9a1492c60152f2e32604cd519e72.png)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d38c4c234dd55eaf29979489df6f99b.png)
(2)求公差
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c02bc0c74292b1e8f395f90935d3174.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
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2016-11-30更新
|
1291次组卷
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5卷引用:北京市第四中学2016-2017学年高一下学期期中考试数学试题
北京市第四中学2016-2017学年高一下学期期中考试数学试题(已下线)2010年山西省临汾市一中高二年级学段考试数学理卷(已下线)2012-2013学年河南灵宝三中高二上学期质量检测理数卷2004年普通高等学校招生考试数学(文)试题(天津卷)陕西省汉中市西乡县第一中学2023-2024学年高二下学期第一次月考(3月)数学试题
9-10高一下·北京·期中
解题方法
2 . 在数列
中,
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1962ec26008093899dec76cbee62e5fe.png)
且
.
(1)求
,
的值;
(2)证明:数列
是等比数列,并求
的通项公式;
(3)求数列
的前
项和
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b13a6e1d671215fc96e4bee3541d1096.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1962ec26008093899dec76cbee62e5fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2d6d999382aec4acb0ca4e87cc92955.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea5c6f2ca8189d9b2cb03394be0a5d1f.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e88093a749c0d46e0ee931ecfaff925.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c1ccc6c74b8754e9bcbb3f39a11b6f1.png)
(2)证明:数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d363b6982fee3bf1337d1542137a2f3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
(3)求数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
您最近一年使用:0次
名校
解题方法
3 . 已知数列
是等比数列,并且
是公差为
的等差数列.
(Ⅰ)求数列
的通项公式;
(Ⅱ)设
,记
为数列
的前
项和,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6cedd84e3f080e5931a490644149f30.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81fb134b2b48acc99213fff6ccfee65f.png)
(Ⅰ)求数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
(Ⅱ)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/314501f06c7e4bf3112fe41ecac7be68.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.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/99926d7dc86b8ff9e5e12e76ea4b1328.png)
您最近一年使用:0次
2016-12-04更新
|
663次组卷
|
5卷引用:北京市西城区北京师范大学大附属中学2016-2017学年高一下期期中考试数学试题
解题方法
4 . 已知数列
满足
(
为常数,
),
(1)当
时,求
;
(2)当
时,求
的值;
(3)问:使
恒成立的常数
是否存在?并证明你的结论.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d471926f7b27322d90c82b9ce21d3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5547c25c4f3062b3c5d1513b5117e82c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a37a59558292ad6b3d0978bfd7484990.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6de1d395e6c48c0676a1488a299479d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96abfe2da27a63e6affb19a0c80236d9.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4580cc037c0c760c728cdbb74a8154c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9ae24989e8c045e092bf7be4334d4ce.png)
(3)问:使
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/609941a503e01117578221b5fa187ef2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
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11-12高一上·北京·期中
5 . 已知函数
,(1)试证明
在区间
上是增函数,(2)求出该函数在区间
上的最大值和最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4700826ce07a6d2edd3675e09e8220f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8720c985355f075265d629c43603803a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2dccf1f9faac56117d6d3dd1dddd286d.png)
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11-12高一·福建漳州·期中
名校
解题方法
6 . 已知:函数
(
且
).
(1)求函数
的定义域;
(2)判断函数
的奇偶性,并加以证明;
(3)设
,解不等式
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/955cc3f421cf91c00cc046ebbcb6dfb2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c400a615a16a1662de98dfb4e49d58d3.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b6894e8c345a035e89ec672503a01f.png)
(2)判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b6894e8c345a035e89ec672503a01f.png)
(3)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e65397f11ea8af736f38debadf420c4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6000b174147cec2de26041837aec1b3.png)
您最近一年使用:0次
2016-12-01更新
|
705次组卷
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4卷引用:北京市第四中学2017-2018学年高一上学期期中考试数学试题
北京市第四中学2017-2018学年高一上学期期中考试数学试题(已下线)2011-2012学年福建省漳州市芗城中学高一期中考试数学浙江省杭州市西湖高级中学2017-2018学年高一12月月考数学试题云南省泸西县一中2018-2019学年高一上学期期中考试数学试题
名校
解题方法
7 . 设
为常数.
(1)若
为奇函数,求实数
的值;
(2)判断
在
上的单调性,并用单调性的定义予以证明;
(3)求
在
上的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b7624d48d3f3160774e8ff756002bb0.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b6894e8c345a035e89ec672503a01f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b6894e8c345a035e89ec672503a01f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
(3)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b6894e8c345a035e89ec672503a01f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab8aa778be26da37a06328b4383f8793.png)
您最近一年使用:0次
2017-02-08更新
|
1399次组卷
|
3卷引用:北京市海淀区首都师范大学附属中学2019-2020学年高一下学期第二次月考数学试题
解题方法
8 . 已知函数
.
(Ⅰ)求f(x)定义域;
(Ⅱ)证明f(x)在(0,+∞)上是减函数.
![](https://img.xkw.com/dksih/QBM/2016/3/16/1572540736413696/1572540742500352/STEM/9608b85c25cd4a2398984b74105dbd2d.png)
(Ⅰ)求f(x)定义域;
(Ⅱ)证明f(x)在(0,+∞)上是减函数.
您最近一年使用:0次
11-12高一上·北京·期中
9 . 已知函数
,
.
(1)当
时,判断并证明函数的单调性并求
的最小值;
(2)若对任意
,
都成立,试求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8b59dc951a5f0a79b2d3a4ea980a57e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97148e04ca6a9f9dca0aba91ce4e1d84.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b108ab31cc093f03cf48ad65429889e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若对任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97148e04ca6a9f9dca0aba91ce4e1d84.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c73a98c1b3504e09bfbe0db849b0d24.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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12-13高一上·北京·期中
10 . 已知函数
且![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37fa1476cf3552b9ae91ef039b1c6c80.png)
(1)求
的定义域和值域;
(2)判断
的奇偶性,并证明.
(3)当
时,若对任意实数m不等式
恒成立,求实数k的取值范围
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb5d5622681c8f3f2c69e99817f49bbe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37fa1476cf3552b9ae91ef039b1c6c80.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(3)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d33da711e50e96568facb18cef27165.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21366f485c20c68f4bb3c4381c098d1a.png)
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