名校
解题方法
1 . 已知数列
的前n项和
,且满足
.
(1)求数列
的通项公式;
(2)数列
的前n项和为
,比较
和
的大小.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62bb51976e9a0ab281086e9984daebeb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/644a4e7cd7460a0d96ccae5b192e684a.png)
(1)求数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62e567d7e9761951a266953c8d5042ac.png)
(2)数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5da72309d2507e2f5e5ed88d8cc08963.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1ae9a3b0b7aeb1545b65d91aa371b3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1ae9a3b0b7aeb1545b65d91aa371b3c.png)
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7日内更新
|
111次组卷
|
2卷引用:山西省晋城市第一中学校2023-2024学年高二下学期第四次调研考试(5月)数学试题
名校
2 . 证明下列各题:
(1)求证:
;
(2)用综合法或分析法证明:若
,则
.
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/add637eef4cd8802b4eb211aa4f6e572.png)
(2)用综合法或分析法证明:若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf04fe8895c10624636a815d3d752975.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0da537e5284dc9786845fca39a9ca913.png)
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名校
3 . 使得不等式
和
均成立的一组
,
的值分别为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc5e4427e90a5e163731ddf70465910b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81b9426e40c86c5b1806ae723b033694.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
您最近一年使用:0次
名校
解题方法
4 . 已知
,
,
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f9eeef6fd7209130188dba2e572acde.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19ab7b2a2193a82b484182a14b926803.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97518ca6f45e95fd6ba2966bac24c240.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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名校
解题方法
5 . 已知实数
满足
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34d82511a3c87baeecfc0a19557d6505.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
名校
解题方法
6 . 函数
定义域为
,函数
的定义域为
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e1419091ce43082c9d5aef167d51c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5fac9b12c4190ea129a91a371524df43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4437ed14585a5b64036e9d4289d58b4.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
解题方法
7 . 若
,则函数
的最大值与最小值的和为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0753d9770c7fc699de7ee7126ec94ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/687a551fa3de7f7631ab7dbd1f7e85a7.png)
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名校
解题方法
8 . 函数
(
且
)的图象恒过定点
,若
且
,
,则
的最小值为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32751c39a4200a960a21be7ba3bb36f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c400a615a16a1662de98dfb4e49d58d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cc6b91ee0383aa1149937f752697141.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/625b076f50e4a252aaa628f64ade741e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58b140e221ddf537b8964fff8557cca0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de8610232c77741a37463feba1a66c94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dec022e65aafc4fc7dca683ecda67e5b.png)
您最近一年使用:0次
2024-06-12更新
|
285次组卷
|
2卷引用:陕西省西安市西安中学2024届高三仿真考试(一)数学试题
9 . 已知
,
,
,则
,
,
的大小关系为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abfbbcb874aacdb04d5af2cd4c4bac3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5048c8b2dfb367d4d01aef311e0c8b54.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0308c14a89ebc6fb2a589d2502859902.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/071a7e733d466949ac935b4b8ee8d183.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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10 . 已知定义在
上的函数
满足
,当
时,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b672f564d03ed46d092bb130f229ad8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78132753bd0d62932f7ff62a7046f7ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1aca97aae48a697a1484c0ab0bf3b88c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76e6c9e9773c4799ea04d402db88b0c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a356e5adb17c3dee3c9bbd2a41e9ed0d.png)
A.1 | B.2 | C.![]() | D.-2 |
您最近一年使用:0次