名校
解题方法
1 . 对于问题“求证方程
只有一个解”,可采用如下方法进行证明“将方程
化为
,设
,因为
在
上单调递减,且
,所以原方程只有一个解
”.类比上述解题思路,则不等式
的解集是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c18c032d75893db45e61e6c4eb0d4e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c18c032d75893db45e61e6c4eb0d4e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49cfb1e9557770560280b5248ae2d0d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/856491b01dab707170d83a1bc4b1f257.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/933093b52cca887f597cbe22a5467b11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dec65a2bec3d4296c613a80b3ae41d5e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/707ea658f3a9359f5740d5aab48f7948.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2197c1c9e5e09713fe45dc1e73edf509.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2022-08-07更新
|
928次组卷
|
7卷引用:湘豫名校联考2023届高三上学期8月入学摸底考试文科数学试题
2 . 设
是正整数,整系数多项式
满足
.整系数多项式
,
,
满足
和![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4587ee6c046cf862cc0cd2426fad1197.png)
,其中
是一个不整除
的素数.求证:
的非常数项的系数均为
的倍数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/674c6027fe6ac3a582bced0c2cde8c8b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c8a20b0ba8a4a7fb65339d045120f84.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0eb7df298a9364b36e079a61caec815c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a723aebd8e4221c887b883733101e19.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1803511584bb172d9445a4c49ab6fde.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac390c9c4c3e09a82ebba66f01d9ae1c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4587ee6c046cf862cc0cd2426fad1197.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6ab259c01238737d6cec66506908dbd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0eb7df298a9364b36e079a61caec815c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
您最近一年使用:0次
3 . 已知复数
,
,…,
,
,
,…,
,满足
,
,…,
互不相同,
,
,…,
互不相同.已知对任意正整数
,均有
.求证:
,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad7f66c97bfce4c00c53d86700c961b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54015ff5b49e3283901da1291b6b921d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46f6872ffb1934339c53c2c2282d5889.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47233e81de2d9d728c80f02359f1af4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad7f66c97bfce4c00c53d86700c961b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54015ff5b49e3283901da1291b6b921d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46f6872ffb1934339c53c2c2282d5889.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47233e81de2d9d728c80f02359f1af4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58c8214c80f9e949b1ac8d6e41b597e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cddf38600954700caa8a227dae4e8ced.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8389928ac57b99f195e6bef80d2a28d3.png)
您最近一年使用:0次
4 . 如图,锐角
内接于
的平分线交AC于点D,连接 DO并延长交AB于点E,设
.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/8/8cdd39cf-044f-4efe-ad14-91463381491a.png?resizew=147)
(1)当
时,求证:
;
(2)当
时,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ce243143b38fe2de91f3d307564c89d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5ef05f8d2b1822559d84b70f05993a1.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/8/8cdd39cf-044f-4efe-ad14-91463381491a.png?resizew=147)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/500d68f2678989a5ce7431cfd51b019d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c436f108fd4921dae15ecff19270237e.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5181b97a7e43959b8455680157c3b644.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
您最近一年使用:0次
5 . 对任意满足
的非负实数组
,记
为
的元素个数,求证:
,并给出取等的充要条件.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b30a1123bc300b31b85509475669e9e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6547f858c83bb153ba6828501dacb265.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/003789aa08a913801cba565a3d49ac75.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/158c4fb001fcf161670b968be69f47c8.png)
您最近一年使用:0次
2023-12-15更新
|
163次组卷
|
2卷引用:2023年第39届全国中学生冬令营(CMO)数学试题
6 . 如图,
内接于
,
是
的内心,过
作
的垂线交
于点
,交
于点
,
是
的中点,连接
,过
作
于点
.证明:
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/18/11efadd2-347e-4564-b671-6a3379f99d81.png?resizew=148)
(1)
;
(2)
、
、
、
四点共圆.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e105760638b22b26ff8bec4354255e4c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3bb882b525043fb4602f598a9dfe5fbe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c88d9142df6ba8e43c1a93bd04a1362.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42774a918f52ac8aa8b1f5b78a676f17.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da701094ca9f9687f4b5af1825773a96.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96a37f6963eefab01bd11be38cdbe0b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3834d7ec7531f3c3c0ce9b286f7a49.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/18/11efadd2-347e-4564-b671-6a3379f99d81.png?resizew=148)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8174382753c87fee237ccf0a5f32551.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3834d7ec7531f3c3c0ce9b286f7a49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e105760638b22b26ff8bec4354255e4c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
您最近一年使用:0次
7 . 已知两个均含有
项的有限数列
,
,其中对于
,
且
.定义数列
与
之间的距离:
.定义数列
的“和序列”
,其满足对于
,
,数列
的
项和记为:
;定义数列
的“和序列”
,其满足对于
,
,数列
的
项和记为:
.
(1)已知数列
,
,求
和
;
(2)当
且
时,求
的所有可能取值;
(3)当
且
时,求
的最大值和最小值,并分别列举一对数列
,
,使
取到最大值和最小值;
(4)求证:对于
,当
且
是4的倍数时,
的最小值为0;
(5)当
,
时,直接写出一对数列
,
,使得
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5d8aa940a0e54ac8979395fc6dff741.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad97e1eb89a88cb2294a7c6715a45b3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff8c536a4f234f76110738d8f0fe343e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a406d53fd6ffd9ee6cd914f5e2b0a9bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/572366af4b70473246d02890f08e5bf4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fdf61eeaedb55fceca383cced5a2a6c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b93f46e2f1e4c9b7c1e6b65cb4b71a8b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff8c536a4f234f76110738d8f0fe343e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68c347988fa8b9a610e98d8457a7c3c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43d70d5962157e2116e7f1a267153967.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4a3ecd7015e91acdaf5dab17cd4db0e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a35dc828d8d4cd583ec2f59fc51cc13c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff8c536a4f234f76110738d8f0fe343e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b6bfb29dcb99958d2f7044f95228a2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b3961f5681dca061c2d5eccdfa1d6b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32eda5781c401532afa23e7f7fbbeb38.png)
(1)已知数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7e9f8c9d7cd0c8dcb5b6a29326f3000.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4593b4328615e3d4cb4bb409cec24fa5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3bcb4828b16c8e845492f1a53ddd9a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8a5f4d7aad74922a9af3f9d0c04e4bf.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fac3649308b528fd56545ba102dc42d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5e79b6edfd5f5bb3866599fcb2aa6f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93ce4e30be12ce8f1d3fe5299ba630fb.png)
(3)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe08722cf9300fe188dbbb71989c06c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1ffbdfab9dff3ff41ea474f06375032.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93ce4e30be12ce8f1d3fe5299ba630fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93ce4e30be12ce8f1d3fe5299ba630fb.png)
(4)求证:对于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86bc44f533c05d764a6f576ca47a4ba5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc930ac7a42a0ec0ce9c65c9e7c24182.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3bcb4828b16c8e845492f1a53ddd9a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93ce4e30be12ce8f1d3fe5299ba630fb.png)
(5)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe08722cf9300fe188dbbb71989c06c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b8758b01cebe286da8592711f614892.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7ae7de525dccd6844f5477dac832182.png)
您最近一年使用:0次
8 . 已知数列
满足
,
,
.
(1)猜想数列
的单调性,并证明你的结论;
(2)证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e976c0663fa749ca749f99842d21ca03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/195fc747e2fc50cb6df2c844d51e4d80.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d8c7493005191506bf32b9e39a5a4c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/deda945164283569437cda6976fe35ea.png)
(1)猜想数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d497e59ca415b9973ae8b07cd28e472.png)
(2)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5825807d5e23919ae8dcd6751db947d9.png)
您最近一年使用:0次
名校
9 . 已知正实数a,b,c满足
.
(1)求
的最小值;
(2)求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a57e060f61f7efa54982bda67db483a.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af2820e6e888da175da63fb59e0990c8.png)
(2)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bcce93d5450c82020c7e1fe17d0602cb.png)
您最近一年使用:0次
2022-10-15更新
|
1075次组卷
|
4卷引用:广东省广州市天省实验学校2022-2023学年高一上学期月考数学试题
广东省广州市天省实验学校2022-2023学年高一上学期月考数学试题江西省景德镇一中2022-2023学年高一(19班)上学期期中考试数学试题(已下线)专题04 基本不等式压轴题-【常考压轴题】(已下线)专题05 集合与不等式综合大题归类
名校
10 . 已知
,函数
,其中
…为自然对数的底数.
(1)证明:函数
在
上有唯一零点;
(2)记
为函数
在
上的零点,证明:
;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3adb9acead48e36b705874dc96979f4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/597de8046b5baecf54be4b0516de67ad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9405dfcca25b76af059fb4c308983eae.png)
(1)证明:函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ab5e0524def52baf53480b8726784ed.png)
(2)记
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ab5e0524def52baf53480b8726784ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c89e13ea43300cc01379c96614d8e9cc.png)
您最近一年使用:0次
2021-10-12更新
|
558次组卷
|
3卷引用:湖南省永州市第一中学2021-2022学年高三上学期第二次月考数学试题