1 . 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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2 . 如图,一质点
从原点
出发沿向量
到达点
,再沿
轴正方向从点
前进
到达点
,再沿
的方向从点
前进
达到点
,再沿
轴正方向从点
前进
达到点
,
,这样无限前进下去,则质点
达到的点的坐标是
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/1/aea82d26-ee01-4c63-97a5-c48565d33809.png?resizew=180)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/429033fc78f59859f69857e171d7423a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18722354086c42e62334983fc50eb6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18722354086c42e62334983fc50eb6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/366596137b12cbfe42c0e94fdf7ce6f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd3b9e816b14051f785aa5aae72b8eed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99198f470bfb3066e5821184426ccc30.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd3b9e816b14051f785aa5aae72b8eed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a8c162ee7c75aa5f5cbd196b18cc239.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04b56e44e4f0424a2b7a45567120a2e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04b56e44e4f0424a2b7a45567120a2e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ee065106d26c2b0aba3fec48c4536f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e47cd514b2920609e3781c87df6ab70.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f782d70309802445202487eee751cbdd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/1/aea82d26-ee01-4c63-97a5-c48565d33809.png?resizew=180)
A.![]() | B.![]() |
C.![]() | D.![]() |
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名校
3 . 已知等比数列
满足:
,
,且
.
(1)求数列
的通项公式;
(2)若数列
的前n项和为
,求满足
的n的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f966272f7781790ff27e40db6b525253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0444e7f632d665ef3a0114bd6a605bd2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38dac2f63c0152c8cfbf68ec5b64aaeb.png)
(1)求数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
(2)若数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/388526ab5f4c6e4ec5b65008ef1f6587.png)
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2020-01-01更新
|
161次组卷
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3卷引用:上海市格致中学2022-2023学年高二下学期第一次测试数学试题
上海市格致中学2022-2023学年高二下学期第一次测试数学试题(已下线)专题04数列全章复习攻略--高二期末考点大串讲(沪教版2020选修)上海市黄浦区2017-2018学年高一下学期期中终调研测试数学试题
4 . 已知非零向量列
满足:
,
,(
,
).
(1)证明:数列
是等比数列;
(2)向量
与
的夹角;
(3)设
,将
中所有与
共线的向量按原来的顺序排成一列,记作
,令
,
为坐标原点,求点
的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a85cead056c360dc3a253f4b33e80e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b9a808551e595b00f9ee59107a3a3b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10ea9931443752f200ec29a47462e7f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0704f453b2de48d36911f7db496bbf82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cea4ac187cbb465180e89f38250b3970.png)
(1)证明:数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4684c93e9c029f9b3b13b17b27fbe616.png)
(2)向量
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2121e9cac7d80abd7c6a0c0de5c67a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1522e062601bd8cbf0e1dfb46dc99479.png)
(3)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cfa9e0012bc248a4e53d85a5e74720c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b51ed353422670f241fa8bbd5e40cef9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d970a4c8abf3fe4da3382206086a6cb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b338f70f70c227f0d32028f0cdb582e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc17566d149fbc091fc4c0b06074c046.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63f5c583c98a1fd516c6ceaa60b55dec.png)
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5 . 已知数列
的通项公式为
,
,其前n项和为
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6eb2fcf76cd58f6573a059ab1ab48b4.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52a2f45d1c124826fcf4cb77d8389c68.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cea4ac187cbb465180e89f38250b3970.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6eb2fcf76cd58f6573a059ab1ab48b4.png)
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2019-12-16更新
|
396次组卷
|
8卷引用:上海市嘉定二中2020-2021学年高二上学期第一次质量检测数学试题
上海市嘉定二中2020-2021学年高二上学期第一次质量检测数学试题上海市浦东新区建平中学2018-2019学年高三下学期3月月考数学试题(已下线)4.2无穷等比数列各项和(第3课时)(作业)(夯实基础+能力提升)-【教材配套课件+作业】2022-2023学年高二数学精品教学课件(沪教版2020选择性必修第一册)上海市南汇中学2022届高三下学期3月月考数学试题2017届上海市浦东新区高考三模数学试题2017届上海市浦东新区高三下学期5月练习数学试题2020届上海市金山区高三二模数学试题上海市2022届高三模拟(三)数学试题
6 . 函数
满足
,当x,
时,
恒成立,又
满足:
,
,设
.
(1)证明:数列
是等比数列,并求
的表达式:
(2)是否存在正整数m,使得对任意
,都有
成立,若存在,求出m的最小值,若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14f0c3fa7e80287ff21fcdb1b3c9b41d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1947266214c98cfdeea15425a47de17.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/773932788bfccf3f2a43207a159c33c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b014f066b238e9bc9fd0806791dcfd0e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ea8d0e50065114b05ef2dc1ea1129cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e02755813a357cd06484b6fb570dee8b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df49f07a4e2a6dfe4dca3763364f762c.png)
(1)证明:数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7f37c589447bba4e81b0fa9b7cd15e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7cc3e6b5177f21e68eea45da9e0bf6e1.png)
(2)是否存在正整数m,使得对任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f093c61867ee4ce75f951d46b9b123.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0aba95f1aacf777532636f8409030f69.png)
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7 . 已知等比数列
的公比为
,前
项的和为
,集合
,则
为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.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)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03483d108d41cbed9ea26af1f09e6cf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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名校
8 . 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)
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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
9 . 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)
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2019-11-14更新
|
281次组卷
|
3卷引用:上海市七宝中学2018-2019学年高二下学期3月月考数学试题
10 . 从数列
中取出部分项组成的数列称为数列
的“子数列”.
(1)若等差数列
的公差
,其子数列
恰为等比数列,其中
,
,
,求
;
(2)若
,
,判断数列
是否为
的“子数列”,并证明你的结论.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
(1)若等差数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/812be9806122241c476ba1db516c4823.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ec07a126ada2c921c5b4337f77854cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2eaa992a449b828df0ff545e233b279b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f84f592310f4b9637b225cab622b2aa6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d438131add92b51c4e0b06ec6aff581.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/373ecb5531c1593f13a0ed081597b3cf.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c9d38a1171131b1a1f3f70ca2117be1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/221016d4bfafd5693a4e767fcf6a2559.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
您最近一年使用:0次
2019-11-14更新
|
370次组卷
|
3卷引用:上海市七宝中学2018-2019学年高二下学期3月月考数学试题
上海市七宝中学2018-2019学年高二下学期3月月考数学试题上海市闵行区七宝中学2018-2019学年高二下学期开学考试数学试题(已下线)4.2 等比数列的前n项和(第2课时)(作业)(夯实基础+能力提升)-【教材配套课件+作业】2022-2023学年高二数学精品教学课件(沪教版2020选择性必修第一册)