1 . .对于函数
,若
,则称
为
的“不动点”,若
,则称
为
的“稳定点”.函数的“不动点”和“稳定点”的集合分别记为
和
,即
,
.
(1)求证:
;
(2)若
,且
,求实数
的取值范围;
(3)若
是
上的单调递增函数,
是函数的稳定点,问
是函数的不动点吗?若是,请证明你的结论;若不是,请说明的理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a18ca67c2770b98f36dbfd802595a95.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ccf2afc8b9479e16dfaf6b86d3d962d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.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/0b164ca7a43db8ed2958a9a9b5a21369.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e60faa38dfd9c8001edd62b2d089204.png)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2ad78dc8b8aed907b4fe9640c997454.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bfac30eb449e17bbee48dd07c7ab385.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79d02e5de0c92487382f4b98376e9740.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
您最近一年使用:0次
真题
解题方法
2 . 已知函数
在
上满足
,当
时
取得极值
.
(1)求
的单调区间和极大值;
(2)证明:对任意
、
,不等式
恒成立.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/840903c8cb59e0302d7249cb1fa4b615.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aca9a617f33b747c5f0d76f8f3db071a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/274a9dc37509f01c2606fb3086a46f4f.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)证明:对任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a3502f1cd0038eb888dc121026c6820.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ceaeebe50a5f78b52da0850741cee42.png)
您最近一年使用:0次
2020-06-23更新
|
405次组卷
|
4卷引用:2011年辽宁省瓦房店市五校高二上学期竞赛数学文卷
10-11高三·浙江宁波·期末
名校
解题方法
3 . 如图,正三棱柱
的所有棱长都为2,
为棱
上的动点,设
.
(1)若
,求证:
平面
:
(2)若二面角
为
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d88bf46ad08f9677c37eed1d0369329.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/285373481cf3e827088cda755b03445e.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73b3cf0f585938ede9eca890a6eb326d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4560fa4ad459b58b723c74bd24e51ebf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7935fe3125f247b7bea4f065ce9ad985.png)
(2)若二面角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98e0254c84e44728749b34c08c28ab1e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9bf2423499d45354dbc8377f1f04e16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/9/4804f764-8442-460a-9b9f-9277530f9915.png?resizew=199)
您最近一年使用:0次
2019-05-21更新
|
653次组卷
|
5卷引用:2011年辽宁省瓦房店市五校高二上学期竞赛数学文卷
2009高三·辽宁·竞赛
4 . 如图,在
中,
,
是其外接圆的切线,
为
上的点,且
.求证:直线
过
的内心.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/888a479919d71cdd89044627a7a3fd97.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/288e14555e5700411e5341e917930b42.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/3/6dce4446-a72b-4f3f-b512-8281cd3281ec.png?resizew=185)
您最近一年使用:0次
2007高三·辽宁·竞赛
5 . 设
满足
,求证: ![](https://staticzujuan.xkw.com/quesimg/Upload/formula/adf97c41a6e13a2c4bfe8f60e4e3f5bc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7085f53ccff7b987a5faf92199a0f000.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b619d8ee78395cd0b917ee40f9e04fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/adf97c41a6e13a2c4bfe8f60e4e3f5bc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3688d0dd7f2205119a51ceff67d887ba.png)
您最近一年使用:0次
2010高三·辽宁·竞赛
6 . 如图,
与
内切于点
,
的弦
切
于点
,延长
交
于点
,
、
与
分别交于点
、
,
与
交于点
.延长
与
,交于点
.求证:
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/20/38afda9b-bfd6-4fc5-9735-e02df8d35650.png?resizew=151)
(1)
为弧AB的中点;
(2)
、
、
三点共线.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a644d140135d59cad2180984ae0a1900.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd33d9abb2babc5fa69d27a0da2f6f7f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a644d140135d59cad2180984ae0a1900.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b79dd200766db27fb90d6bd1992cf658.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd33d9abb2babc5fa69d27a0da2f6f7f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4d260c4df7b0dc180af6980d21f3371.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a644d140135d59cad2180984ae0a1900.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e61620a272dada8d4b9a9fab6379dfd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30513ea48bc1ef3ae78adac83d894f14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd33d9abb2babc5fa69d27a0da2f6f7f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0215e13a9fb5574d5194aeb9507a98aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4d260c4df7b0dc180af6980d21f3371.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88929f4ba0851730d5f941d426b87548.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a644d140135d59cad2180984ae0a1900.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/20/38afda9b-bfd6-4fc5-9735-e02df8d35650.png?resizew=151)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
您最近一年使用:0次
7 . 已知数列
中的相邻两项
、
是关于
的方程
的两个根.
(1)求数列
的前
项和
;
(2)记
,
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b7b6ecfdff9d2b29ef64d2a6f3343f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39773a450e3c30c72ead226d84e54563.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17fd2e41fc78ca4be731f145ddfd4de6.png)
(1)求数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2d51f9147b8265c0276c1f2c2659197.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b9a0d7150fb24be3e28ef7f0e18be93.png)
(2)记
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44adbe08cc9282c6180aef1f161b8e22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa06b5b034b66ef21c3ec7a80d76a730.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/562b4490e0c0844b89cbe34254eef32c.png)
您最近一年使用:0次
8 . 已知数列
各项均不为0,其前
项和为
,且对任意
都有
(
为大于1的常数).记
.
(1)试比较
与
的大小;
(2)求证:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/521c9bea3648b603c4e45d3be0866421.png)
.
![](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)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29d5ec9ad92f37e64eccce922ab1b14e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/303cfda7e4b243a778b830d363d55805.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/081e899c38d336717316d202dd29864e.png)
(1)试比较
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b08d8e48f1a494bd7fa205362035952b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5598988a28cde817fb491f3b30da983.png)
(2)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/521c9bea3648b603c4e45d3be0866421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a982ce812e8808638446ce0fec93a0fa.png)
您最近一年使用:0次
2010高三·辽宁·竞赛
9 . 已知
.若,
在
上的最大值为
,最小值为
,令
.
(1)求
的函数表达式;
(2)求证:
恒成立.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a0eb4e421bb2adeba0cb5af9e829348.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6393cd82af957413415ce707ea02cae6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a2ec965488c7e1cea085463c7731285.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/760f804646698060703c5458ff5637c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c169d211feb90112d105fcaf042d7b7f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/714a3a95ceddb508866148aeaad1d294.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01b3ae7e5228fd1acb0d46f6941143a7.png)
(2)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6cfe9f3509234ba41ba1c62e617dd63.png)
您最近一年使用:0次