名校
1 . 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)
您最近一年使用:0次
2 . 已知数列
满足
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/060c880252326cb449d8253539d92aff.png)
(1)判断数列
是否是等比数列?若是,给出证明;否则,请说明理由;
(2)若数列
的前10项和为361,记
,数列
的前n项和为
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/390636a89883bd64bf8da9bf8654aff9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/060c880252326cb449d8253539d92aff.png)
(1)判断数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edcf33b2a94eae16760d746f9b4b8dbc.png)
(2)若数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04053ecf80b3bb9179c8baab47bf8dae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1ae9a3b0b7aeb1545b65d91aa371b3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ffc0cf1f0a00718b95a2a4fffd11dd32.png)
您最近一年使用:0次
2023-08-20更新
|
2550次组卷
|
9卷引用:湖北省高中名校联盟2024届高三上学期第一次联合测评数学试题
名校
3 . 已知函数
,以下证明可能用到下列结论:
时,①
;②
.
(1)
,求证:
;
(2)证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64263fe2ca48e694c87496d61e63fb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c7b69e93488fcd2a195cb9793e94fc7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a51bf1c824f623c6871d2fae4e502d43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/041e1d5a68bc99542da858e2268d973f.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c7b69e93488fcd2a195cb9793e94fc7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45470e30289783620d9c2b5594049c5a.png)
(2)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d99ce5142eaac85e3a1b2a7f8de9511.png)
您最近一年使用:0次
2023-02-17更新
|
433次组卷
|
2卷引用:广东省深圳实验学校高中部2022-2023学年高一上学期期末数学试题
4 . 已知函数
,函数
.
(1)判断函数
在其定义域上的单调性(不需要证明);
(2)对任意的实数
,都有
.
①求证:
;
②若存在a的两个取值
,
,使得
(c为常数),求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2b21c310a00732a9eda5489e225bd9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df06bdef1d4a203b4174851bc270cfe5.png)
(1)判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40295c491170bcf632abafc92eecc33f.png)
(2)对任意的实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0fab2aa2162c65b3f30d2b9f4be1226.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d682fefb826126ec14c09099eb329e3.png)
①求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee246607e97330c07187ea9d748d6332.png)
②若存在a的两个取值
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e72adb45c60c2f63b46e65ff787302bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54eab256e011759f28bf281b74f52d41.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f074582e866194b78c3299d4796f418.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d52943e3995bdda062b3f7930265682.png)
您最近一年使用:0次
2022-02-08更新
|
179次组卷
|
2卷引用:江苏省百校大联考2021-2022学年高一上学期12月阶段测试数学试题
5 . (1)已知
均为正数,
,求证:
;
(2)若正数
满足
.试猜想
之间的一个等量关系(不必证明).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3fb0c9c7e30bbc0ec8c3521577ee4fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3dc0e9d7c5be3ec9cb38d27cced0aa5b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79732af8fcd77f138ec64aa7c8beaf54.png)
(2)若正数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7f5573b30734d65648f61c0a94c98de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8310f387f5f28b11eb4669e666f3290.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7f5573b30734d65648f61c0a94c98de.png)
您最近一年使用:0次
名校
6 . (1)请根据对数函数
来指出函数
的基本性质(结论不要求证明),并画出图象;
(2)拉普拉斯称赞对数是一项“使天文学家寿命倍增”的发明.对数可以将大数之间的乘除运算简化为加减运算,请证明:
;
(3)2017年5月23日至27日,围棋世界冠军柯洁与DeepMind公司开发的程序“AlphaGo”进行三局人机对弈,以复杂的围棋来测试人工智能.围棋复杂度的上限约为
,而根据有关资料,可观测宇宙中普通物质的原子总数约为
.甲、乙两个同学都估算了
的近似值,甲认为是
,乙认为是
.现有两种定义:
![](https://img.xkw.com/dksih/QBM/2017/10/10/1792365589995520/1793820237086720/STEM/2c179cd798bc431f94b813641b8a2aec.png?resizew=190)
①若实数
满足
,则称
比
接近
;
②若实数
,且
,满足
,则称
比
接近
;请你任选取其中一种定义来判断哪个同学的近似值更接近
,并说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3808314697be51e2ff72179fb6556374.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1b8eea00910cad6239a29a85991f925.png)
(2)拉普拉斯称赞对数是一项“使天文学家寿命倍增”的发明.对数可以将大数之间的乘除运算简化为加减运算,请证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f8734005d48f1e77eeaebe832058dee.png)
(3)2017年5月23日至27日,围棋世界冠军柯洁与DeepMind公司开发的程序“AlphaGo”进行三局人机对弈,以复杂的围棋来测试人工智能.围棋复杂度的上限约为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4f610f3ed73c02ddc0fd21b34d12ee2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/013492f5b66a5b5b9169222c524474b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57584805a70c17d752bbd0def995accc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a0b4b553124abf972a92af238b80480.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d10e3a8a2bd5a1fd799f8640d31d826d.png)
![](https://img.xkw.com/dksih/QBM/2017/10/10/1792365589995520/1793820237086720/STEM/2c179cd798bc431f94b813641b8a2aec.png?resizew=190)
①若实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2e647c14561826ba9e396acc5a3792c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b782dd2de9c9caa840838cd63d817de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
②若实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/413915a68960106812e6577dedac2f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/376218b0e2c4b0bc42f54573c5703a8b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5892a5def700f49245c7389aae50a68.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57584805a70c17d752bbd0def995accc.png)
您最近一年使用:0次
10-11高二下·黑龙江牡丹江·期中
解题方法
7 . 证明下列不等式:(1)求证
;
(2)如果
,
,则
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14c19d94ff48082c1cd213c82c99abf0.png)
(2)如果
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67ca5fd57c2c2fcc3c7a574fdd1467d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd70f831f301205134280f6432c8f84d.png)
您最近一年使用:0次
名校
解题方法
8 . 设函数
.
(1)求函数
在
上的单调区间;
(2)求证:函数
在
上有且只有一个零点
,并求
(
表示不超过
的最大整数,如
).
参考数据:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/802a2f8b34b7a7088735c573915921b7.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0167434c2c1a16e59e89d436ac0a1278.png)
(2)求证:函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b5e51f08fcfaa95b58f3a14c8250a38.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d562dc22dfb3b81d0c3f88b54d063c2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41667e2986ec718cabeeb1088794ed67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c4f5908d6a1217e493ed7586b6964dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1697ae41e450c3893f65e9917e2744a9.png)
参考数据:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bcb268db2f1559804fd1e3e548d22ce4.png)
您最近一年使用:0次
2024高三下·全国·专题练习
解题方法
9 . 已知![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49862b2d382107644b7831a3ac04829b.png)
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49862b2d382107644b7831a3ac04829b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14618da33595c3e14121b1cfb191f573.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b4900c67f4b57fa430c4bd863f8e896.png)
您最近一年使用:0次
名校
10 . 已知等比数列
的各项均为正数,且
.
(1)求数列
的通项公式;
(2)设
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fff2853ed2252ef24654888b3bea2084.png)
(1)求数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2597e30850f276a5fe5ae97bee20573a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aacabd66c249e6b0b3562056718f7901.png)
您最近一年使用:0次
2024-01-10更新
|
1596次组卷
|
3卷引用:辽宁省沈阳市2023-2024学年高三上学期教学质量监测(一)数学试题