1 . 已知
,且
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83c47bb82b5ef750f5d75e4c354cecd5.png)
(1)求向量
的坐标,并用
表示
用
表示
;
(2)设
,求数列
的前n项和
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d45a38d71459c14fa135a163615d041.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01dd0445a82465bb0fccaa012f2e9c71.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83c47bb82b5ef750f5d75e4c354cecd5.png)
(1)求向量
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cbf785aa19bb8f014ec8b396877c2284.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd034eda9b52517d3b7b1dd6cc153bd6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a46c63acca5b89595f72462f55d9d94c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd034eda9b52517d3b7b1dd6cc153bd6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff455c8edd6edf1a55ebb5e3235162da.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d47d52e400c1c11dca3832df5661f36f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f329b217e1051b23f0d61023cdc6e69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63f5c583c98a1fd516c6ceaa60b55dec.png)
您最近一年使用:0次
2 . 在平面直角坐标系中,已知
,
.
(1)若
,求
的值;
(2)若
,求
的坐标;
(3)若已知
,
,若函数
,
的图象与函数
的图象有二个不同的交点,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee761a21fb9adf28be731a9b04e9708c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c73c30866bbeec6033c7bde3ab75fde2.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a756acca98cf1addbb5f8114a1ed004e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22034385f3c155410cc757c7f2618fc3.png)
(3)若已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7fa79a550591eb9e1bd07bced3a08fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0d512dde62e7afa7a360017e8f8dd4c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34c42c063a2610bd4c2f768d62aa23af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ce485410257c9c1fae9d87ce3e44cc8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ac7d9af4aef89939459d98f0833936b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3834d7ec7531f3c3c0ce9b286f7a49.png)
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名校
3 . 已知等比数列
的首项为
,公比为
,它的前
项和为
.
(1)若
,
,求
;
(2)若
,
,且
,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e72adb45c60c2f63b46e65ff787302bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9875b5a21e007035dbf079af4617d3b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f2d766ea4c395ba27454dfd06706afc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96abfe2da27a63e6affb19a0c80236d9.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b065334d8f60c49f4bd3d9f1373fe4cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f71acdb04454c77e1e25ad4f336cccfe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee97f7f9109ce79611ba9bef80c4c831.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38d8c5e92212b74e7d1d82470cd89fd6.png)
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4 . 运输公司
年有
万辆公交车,计划
年投入
辆新型号公交车,以后每年投入的新型号公交车数量均比上年增加
.
(1)
年应投入多少辆新型号公交车?
(2)从
年到
年间共投入多少辆新型号公交车?
(3)从哪一年开始,该公司新型号公交车总量超过该公司公交车总量的
?
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76e62bd2de8e4c51d4bb22c330058871.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e91081300bc89368da216c266a67031.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd7209426afd94f8240eb2eaf1ed23c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2bc00118b6316f277160328cf6a27a5e.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6241896e3bb87fa99d76eb2674ce2256.png)
(2)从
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e91081300bc89368da216c266a67031.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6241896e3bb87fa99d76eb2674ce2256.png)
(3)从哪一年开始,该公司新型号公交车总量超过该公司公交车总量的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4dac452fbb5ef6dd653e7fbbef639484.png)
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名校
5 . 已知数列
满足![](https://staticzujuan.xkw.com/quesimg/Upload/formula/925f52e9e8f9143a737f9d9edfc72325.png)
(1)求证:
为等比数列;
(2)求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/925f52e9e8f9143a737f9d9edfc72325.png)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e2de706dc5f0439b989273a5367f63a.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/831ed34d8c6d99fdd0b94688ef03bfcb.png)
您最近一年使用:0次
2019-12-04更新
|
277次组卷
|
2卷引用:上海市泥城中学2018-2019学年高二上学期第一次月考数学试题
名校
6 . 抛物线
的准线与
轴交于点
,过点
作直线
交抛物线于
,
两点.
(1)求直线
的斜率的取值范围;
(2)若线段
的垂直平分线交
轴于
,求证:
;
(3)若直线
的斜率依次为
,
,
,…,
,…,线段
的垂直平分线与
轴的交点依次为
,
,
,…,
,…,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b072ff6d1b83232bebd7d4709ffba4ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(1)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
(2)若线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a9770705ca8082abae048bd82268c1b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/032cbcdf609154bf27c55482d47b9ecd.png)
(3)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56d266a04f3dc7483eddbc26c5e487db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ca8b26c3ad6d892590290a2304126bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6c6af45645ea1b7d1e070113b3260d6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7688363f5ffff23a6193c7a8eee501c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5815cc29f60d2aa538c4dd30e0803a4b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71d1bd9858f86566b43bf41413563416.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dea30e7a3f7c68487d8bb224909b9455.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07476854ec1158f57c3fff69fe9a04a8.png)
您最近一年使用:0次
2019-11-14更新
|
281次组卷
|
3卷引用:上海市建平中学2015-2016学年度高二上学期期末(B)数学试题
名校
7 . 在直角坐标平面中,已知点
,
,
,…,
,其中
是正整数.对平面上任一点
,记
为
关于点
的对称点,
为
关于点
的对称点,…,
为
关于点
的对称点.
(1)求向量
的坐标;
(2)对任意偶数
,用
表示向量
的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20c0c770ededa07b186fd5c34eb16ed0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7eee1f9841ba418a99f4af12c62b58b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d806aaaf18d476faa01496db5644e01f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b6ac9df5d8ffede03ef0d21c32a88e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7356ec98b600ece41f3a6b4bc26a7d59.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18722354086c42e62334983fc50eb6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7356ec98b600ece41f3a6b4bc26a7d59.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2708fa6298e52f617383efc175b71ddc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd3b9e816b14051f785aa5aae72b8eed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18722354086c42e62334983fc50eb6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b9cb8e6ff801523b0304576cd69fd2d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3cfeacc29e6a61c5b3b4e439c0a91df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94ea50db79b18d8700cfa2559ff5e2d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf83e20035c3afd6d26ebfd53d768a70.png)
(1)求向量
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12787674cf0f0e71eec9ac3d1727fda4.png)
(2)对任意偶数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4dc801f5007dec6cf5183bfd3051fb02.png)
您最近一年使用:0次
2019-11-13更新
|
224次组卷
|
2卷引用:上海市上海师范大学附属中学2019-2020学年高二上学期9月滚动(1)数学试题
2019·上海浦东新·三模
8 . 已知数列
是以
为公差的等差数列,数列
是以
为公比的等比数列.
(1)若数列
的前
项和为
,且
,
,求整数
的值;
(2)若
,
,
,试问数列
中是否存在一项
,使得
恰好可以表示为该数列中连续
项的和?请说明理由;
(3)若
,
,
(其中
,且
是
的约数),求证:数列
中每一项都是数列
中的项.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d471926f7b27322d90c82b9ce21d3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c02bc0c74292b1e8f395f90935d3174.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5fce83115a50f99e08e9a2db7267aeed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
(1)若数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5fce83115a50f99e08e9a2db7267aeed.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/7e1e25a2ced335ad333c82e9871e8e9c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b0c311a01b1848ca5b8e07b78ccb0f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae323cdb00fe1c948dfa22f71eb3b885.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1ee3c5217835dabd18b10110b88c01d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/699e55c211a6e091cc7a9d2cde3ed981.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5fce83115a50f99e08e9a2db7267aeed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/233427826eb2233641fc3a9805f6d206.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/233427826eb2233641fc3a9805f6d206.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc1ed1737f979a5c1b46fce63d84e85b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/111684df67e3120e325ddf5ba6034455.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8846d1da2a612268f8cbd88d017d7dfe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8ff93072dc3e904ca0bb0064577d35f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/704f630e5bbdd1537a0995918efb0b48.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b90a5824920ac2f5a7102a0e2d827c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5fce83115a50f99e08e9a2db7267aeed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d471926f7b27322d90c82b9ce21d3d.png)
您最近一年使用:0次
9 . 已知
,
分别是与
轴,
轴正方向相同的单位向量,
,对任意正整数
,
.
(1)若
,求
的值;
(2)求向量
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc1480988d26abda64d9a4d20674ab76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89cdb00326a922074494892c166aeefe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4ed3b57e07c4160c8c783c28e717096.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b03f83ebb40e2de244b71634785d7618.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f07c5cf3bc3271dbbc176caf07312aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)求向量
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7981cba94ea74f5c7669ce43ca37f832.png)
您最近一年使用:0次
2019-11-10更新
|
125次组卷
|
3卷引用:上海市三林中学2018-2019学年高二上学期第一次月考数学试题