名校
1 . 已知函数
.
(1)求曲线
在点
处的切线方程;
(2)设
,求证:当
时,
;
(3)对任意的
,判断
与
的大小关系,并证明结论.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c38e2cfb9e16f2f5d7a1e9a7590dd073.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68c6b6a11760d0724b0b60e55970e229.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/585de67a3fc494297d375d339af6d153.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b79ae1ceee652b06fc889607ff3f1df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fa38ca27c6c0c40d5e36b2ae4fb7ba7.png)
(3)对任意的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c975a637794e6be6dd95e1e1ba12620.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/baa9fca7538f46d9d2b4429dd085ac78.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d4fc8faefb26b233d4aa9dbef043aae.png)
您最近一年使用:0次
2023-06-18更新
|
427次组卷
|
2卷引用:北京市大兴区2022-2023学年高二下学期期中考试数学试题
2 . 已知
的三边长分别为
、
、
,且其中任意两边长均不相等,若
、
、
成等差数列.
(1)证明
;
(2)求证:角
不可能是钝角.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.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)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2c70fcaa661df4fbcad820b439accda.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9237dbe3a4f28962ef2870b4e7dab599.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d26302e47e2926b0e807952b0efe7463.png)
(1)证明
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/128c02c6fe7314fad4dd3b4a9da8a817.png)
(2)求证:角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
您最近一年使用:0次
2020-06-15更新
|
229次组卷
|
4卷引用:北京市门头沟大峪中学 2019-2020 学年高二下学期期中考试数学试题
北京市门头沟大峪中学 2019-2020 学年高二下学期期中考试数学试题(已下线)考点57 推理与证明-备战2021年高考数学(理)一轮复习考点一遍过 (已下线)考点49 推理与证明-备战2021年高考数学(文)一轮复习考点一遍过1号卷·A10联盟2022届全国高考第一轮总复习试卷数学(理科)试题(十二)
名校
3 . 已知函数
的零点是
,
.
(1)求
;
(2)求证:对任意
,
;
(3)若对任意
,
恒成立,写出
的最小值(不需证明).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b7c2335ae66a3cfdc30b6f4c77fd5af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb45f673c56a289ea78831c9237e8d20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab409bb25958c2f01c73e26042c6f51e.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)求证:对任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/966b60302d80d8613675bb3dd5c03164.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c18038cca83967fabdcfa99a193ff9bd.png)
(3)若对任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/966b60302d80d8613675bb3dd5c03164.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96b1cb9b345afd6a965dd9700b5063de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13502d46b8563c54c09b29b20b3006a4.png)
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4 . 用数学归纳法证明:
求证:.
.
您最近一年使用:0次
名校
5 . 已知函数
.
(1)求曲线
过点
的切线方程;
(2)当
时,求证:存在实数
,使得
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a295a585db4b9e2fbc7128dd0b777bc4.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19b62194097ac66a5093c57fca2f5b4f.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c400a615a16a1662de98dfb4e49d58d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2f391eb1348d7e749caecf0b47ae056.png)
您最近一年使用:0次
名校
6 . 已知函数
,
.
(1)求函数
在
上的最大值;
(2)求证:存在唯一的
,使得
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf506d939c339a9ba0e88f6f4291718f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2197038d74821f5151b6d513048a5a30.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb87c830a03204a5b783ad4c2ba49c4e.png)
(2)求证:存在唯一的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/099adf32792e7334032a80084e0cb584.png)
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名校
解题方法
7 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/adac4ee04e7bbaa6dc3f0f58915cd817.png)
(1)当
时,求
的极值;判断此时
是否有最值,如果有请写出最值(结论不要求证明)
(2)若
是单调函数,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/adac4ee04e7bbaa6dc3f0f58915cd817.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f498b6874410fb46e9807e04371e6e5e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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名校
8 . 设函数
.
(1)求
的单调区间;
(2)若
,设
,求证:
不存在极大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ece62ea5c5db9bf5982af499f2ecea8.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68072473a5106f93e3026d992859f7a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
您最近一年使用:0次
名校
9 . 已知数列
满足,
,
,且![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84c58e480cfcab1aff130f7f2d139a6b.png)
.记集合
.
(1)若
,求集合
中元素的个数;
(2)①求证:
,
.
②若集合
中存在一个元素是3的倍数,求证:
中所有元素都是3的倍数;
(3)求集合
中元素个数的最大值,及元素个数最大时不同
的个数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76aef4cdcb5af742ce28003b7b6c8c20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ebe3c2a37685ddf5fb089f963169de6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f793fcd885eac1c218c539688a5a773.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84c58e480cfcab1aff130f7f2d139a6b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b23fc7915cd368f53f3f1465e05c9c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcfab5a599d30821f0e3e21a1137e161.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06dd3c3b45125d4b484e2894992610f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
(2)①求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e72620c113a6fe83273803a9ac24baa5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11b5269a64a32095e81eab4bbab5782a.png)
②若集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
(3)求集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76aef4cdcb5af742ce28003b7b6c8c20.png)
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名校
10 . 用数学归纳法证明命题“
,
时,假设
时成立,证明
时也成立,可在左边乘以一个代数式______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f8365233f341451598eb50525a1557a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ddbd01c4c9bd404bcb217ee7f8639fd6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ef7ca2b3e8061384501f668e59696a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63ba21f3d0cfc86d40e2e06446623ce0.png)
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