1 . 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
2 . 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
|
435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
名校
3 . (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
解题方法
4 . 在数列
的第
项与第
项之间插入
个1,称为变换
.数列
通过变换
所得数列记为
,数列
通过变换
所得数列记为
,以此类推,数列
通过变换
所得数列记为
(其中
).
(1)已知等比数列
的首项为1,项数为
,其前
项和为
,若
,求数列
的项数;
(2)若数列
的项数为3,
的项数记为
.
①当
时,试用
表示
;
②求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b00f4eb7f1bd2ccefbabf0c1dfa8f69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5fd6f81b87ebc6a949329520a6e42ed8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5fd6f81b87ebc6a949329520a6e42ed8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b536225194ade4db8e99df253041e034.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/819f6ef3827f73ee7dea7883be3bdfdd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3788785078f4cbc29eb4b3c202d1587.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0704f453b2de48d36911f7db496bbf82.png)
(1)已知等比数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1752474698cd5466dd180df0a00ba9c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e5577ef4b9b5764af5e21eef60ebca6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5fd6f81b87ebc6a949329520a6e42ed8.png)
(2)若数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3788785078f4cbc29eb4b3c202d1587.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/686ece75006ad358f23314dc8a246e11.png)
①当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0704f453b2de48d36911f7db496bbf82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e9d41db805f5235ec4b69e436690222.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/686ece75006ad358f23314dc8a246e11.png)
②求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/147a33b715da5466c2d4f9b18cb925d7.png)
您最近一年使用:0次
2024高三下·全国·专题练习
解题方法
5 . 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)
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6 . 定义:给定函数
,若存在实数
、
,当
、
、
有意义时,
总成立,则称函数
具有“
性质”.
(1)判别函数
是否具有“
性质”,若是,写出
、
的值,若不是,说明理由;
(2)求证:函数
(
且
)不具有“
性质”;
(3)设定义域为
的奇函数
具有“
性质”,且当
时,
,若对
,函数
有5个零点,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f63d7758a927384c13052ae432c20a23.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1fe17821ea81c6fec60bd5273901bd50.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ecb084837b614de935871d8f3dd2e1c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86c16d349946f1a9fbc12b28e7e9321c.png)
(1)判别函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66d6e08526a91f8dfd160e7da2f92a3a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86c16d349946f1a9fbc12b28e7e9321c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
(2)求证:函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82869dad28f771d088772a2c2b08b187.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/86c16d349946f1a9fbc12b28e7e9321c.png)
(3)设定义域为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bae15be500f98d647a07fee39c95d041.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eaae91ed6da60e86e3bb9b3eb7e03e60.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33ca276a67d4eca39a3c57dfab895e48.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/835eec12ec99561a3655c296570d75be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b0db56c33be80c68078d92ba0ca47bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
您最近一年使用:0次
7 . 已知函数
,其中
.
(1)若
恒成立,求
;
(2)若
,试比较
与
的大小,并证明.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f95de658236c8143de885348e87a334.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22dd8b3dc4c609bab82d356a5cc2208d.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c89149d1965798a2171cf764ff0f7224.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8700191bf12450d73b81d2a8225126c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af27b404720df2892c3d7727009f3e04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56f8315c1135b8bd5aa8d12a4fd6d459.png)
您最近一年使用:0次
名校
8 . 已知函数
,
.
(1)求函数
的值域;
(2)设函数
,证明:
有且只有一个零点
,且
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1044dcf4fba551e1b7fbfeb895ea08c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d770179a24541b9d811da5d944cdfa5.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc4f3c214da1a20a9ccd33b224531829.png)
(2)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5066adf9157eb0385dc86a44479d91af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/112d3c32a1a43115e1f57a7c910a7840.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/823a11fc7541e66fb15b95884ce476ee.png)
您最近一年使用:0次
名校
9 . 已知函数
.
(1)判断函数
的奇偶性并证明;
(2)若方程
有且仅有一个实数根,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2095e0ae1814ec8adce10e65d534b0d0.png)
(1)判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
(2)若方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7a2ecd4ee71932cb6dd8200fd37c519.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
解题方法
10 . 已知
,函数
,
.
(1)若
,
,求
;
(2)若
,
,求m;
(3)若
,
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d33da711e50e96568facb18cef27165.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8913c4863ff7e4060e075f79f9e2a65.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2476c6a7b73d4d8ad99ffaca4afb76d1.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a73b85378c1f65d0ca0e4c30a14ccee2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/302b4d220b829aeede0b874ac26c35f7.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35a83eb8584e1ab069a24ea3911778c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb00c0bbee9e93f495c57a6805b447f5.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c51d3fb60fdba2bc8bd0811fcabfa3fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b82f4ce319a1e1ff7137e0267201ea27.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e067be545a0178382625422a2e67621d.png)
您最近一年使用:0次