2020高三·浙江·专题练习
名校
1 . 已知数列
满足
,
,
,记数列
的前
项和为
,则对任意
,则①数列
单调递增;②
;③
;④
.上述四个结论中正确的是______ .(填写相应的序号)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b705494275d3b95c0c1dfe3eaece3456.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/675b69f8ebe6f5eefc1f35656ebebc8f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9fc82353331abee0828dee9b38c08f2.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/cea4ac187cbb465180e89f38250b3970.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b172a5c73a4cf34c3f5964f3c488f89d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29cb8281971fbc83ba253124037677d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9a82fdbc0527dd3b0fbfc129abe9694.png)
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2020-01-04更新
|
552次组卷
|
3卷引用:北京市大兴区兴华中学2023届高三上学期12月月考数学试题
2 . 已知函数
图象在
处的切线与函数
图象在
处的切线互相平行.
(Ⅰ)求
的值;
(Ⅱ)设直线
分别与曲线
和
交于P,Q两点,求证:|PQ|>2.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c817c0db45a27b8026fd82ed14d9e1d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d93246539f83796d6b2101b7bf0c7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/569815521c379c6c8fb4a3d2a0563264.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/679353e656a54993c041ebd39ec7b31b.png)
(Ⅰ)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(Ⅱ)设直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83635a6f453f357a41891d8c6479451e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c7028a5fa4d781d382ca3b73b74796e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5946299ed8f8c741a82c8d920e1e206.png)
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3 . 已知集合
,其中
,
.如果集合
满足:对于任意的
,都有
,那么称集合
具有性质
.
(Ⅰ)写出一个具有性质
的集合
;
(Ⅱ)证明:对任意具有性质
的集合
,
;
(Ⅲ)求具有性质
的集合
的个数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d52e736b292952a1d97adfe9abfb2c4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa253882eb8f134b69e501ede6437166.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2d435f3af86785f3025bdb7f6006855.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef2afac1a557aa1173625b5fd1594293.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3502229da8de084ca23ce16d4218fe92.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
(Ⅰ)写出一个具有性质
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(Ⅱ)证明:对任意具有性质
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e9911c05fc6e87e663c240b4fd2478e.png)
(Ⅲ)求具有性质
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
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4 . 设不等式组
所表示的平面区域为
,其面积为
.①若
,则
的值唯一;②若
,则
的值有2个;③若
为三角形,则
;④若
为五边形,则
.以上命题中,真命题的个数是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7fcc36281e676db2fa1a69d47a414e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c343fddb5d98905bb22b9b08b15f3d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/577b2110970dd65a5cf5c8a2c029d376.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e64e9d73d8b7bcff367fb0440fe079e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0266e0e890fb1b84be352fdc65bb298.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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解题方法
5 . 设有限数列
,定义集合
为数列
的伴随集合.
(Ⅰ)已知有限数列
和数列
.分别写出
和
的伴随集合;
(Ⅱ)已知有限等比数列
,求
的伴随集合
中各元素之和
;
(Ⅲ)已知有限等差数列
,判断
是否能同时属于
的伴随集合
,并说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d69f38a6455b16da306fbc630c9d7dec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/057ae9565792bc8ae1e506a3a744e653.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(Ⅰ)已知有限数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/290cb04bd2ff7db079fb2686b31693c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14f7f16794c58e2ed00f1d3136ca46ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
(Ⅱ)已知有限等比数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30ea82d1b2c03591333eb189718e384d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
(Ⅲ)已知有限等差数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ac5d9316c79e9493cd551a692c6d46c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be4069d2a2bf6bbe0fa5c27d889b6847.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
您最近一年使用:0次
2019-02-02更新
|
865次组卷
|
3卷引用:【区级联考】北京市大兴区2019届高三第一学期期末检测理科数学试题
名校
6 . 设椭圆![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d7aea48c44781a844b5c19191f70f61.png)
的左、右焦点分别为
,点
在椭圆的外部,点
是椭圆上的动点,满足
恒成立,则椭圆离心率
的取值范围是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d7aea48c44781a844b5c19191f70f61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2f4f3253fea8f2ae39025c623070a72.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9931f2102f3415dcdd2ba37a57afd8fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f59204e3b0ef0078fe406b161d2c6ff5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abfac8604c69011f5f316e7b13d1aefe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/168b3e4b1d6f04226fa2687a72a268b4.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2018-11-29更新
|
2830次组卷
|
10卷引用:北京大兴区第一中学2020-2021学年高二上学期期中考试数学试题
北京大兴区第一中学2020-2021学年高二上学期期中考试数学试题【全国百强校】天津市七校(静海一中,杨村中学,宝坻一中,大港一中等)2018-2019学年高二上学期期中联考数学试题【市级联考】山西省吕梁市2018-2019学年高二期末考试模拟试题理科数学山西省朔州市怀仁市2018-2019学年高二下学期第一次月考数学试题浙江省宁波四中2019-2020学年高二上学期期中数学试题(已下线)专题9.3 椭圆(精讲)-2021年新高考数学一轮复习学与练(已下线)专题9.3 椭圆(讲)-2021年新高考数学一轮复习讲练测浙江省台州市第一中学2020-2021学年高二上学期期中数学试题人教B版(2019) 选修第一册 过关检测 第二章 专题3 椭圆中的综合问题(已下线)专题11 《圆锥曲线与方程》中的恒成立问题-2021-2022学年高二数学同步培优训练系列(苏教版2019选择性必修第一册)
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7 . 设全体空间向量组成的集合为
,
为
中的一个单位向量,建立一个“自变量”为向量,“应变量”也是向量的“向量函数”
.
(1)设
,
,若
,求向量
;
(2)对于
中的任意两个向量
,
,证明:
;
(3)对于
中的任意单位向量
,求
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be54e84508decfcce6d2fcbe6c8c1a92.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a895256e84abbabef550445e9851b829.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be54e84508decfcce6d2fcbe6c8c1a92.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cb6be8ecfe298e4a67d314c0c446172.png)
(1)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38a7f044e81f0120e9fc4d699d054063.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ef8d45526b1a79deb086736b0a406c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70964b0e897dd4f28d8a79313f7d3881.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/969604545902c9a66549a4a44ec3a3c6.png)
(2)对于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be54e84508decfcce6d2fcbe6c8c1a92.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ad178b3ff9f7f6aec00d5a80f063d46.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/876eeed546bcea6c38bd532969eed8f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53571b600ed93d58d50b5d5e84a6e5b5.png)
(3)对于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be54e84508decfcce6d2fcbe6c8c1a92.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ad178b3ff9f7f6aec00d5a80f063d46.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27522e66b215d06ef1952c30a78c43ca.png)
您最近一年使用:0次
2018-06-29更新
|
1493次组卷
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11卷引用:北京市大兴区第一中学2023-2024学年高二上学期10月月考数学试题
北京市大兴区第一中学2023-2024学年高二上学期10月月考数学试题【全国百强校】上海交通大学附属中学2017-2018学年高二下学期期末考试数学试题人教B版(2019) 选择性必修第一册 必杀技 第一章 空间向量与立体几何 第1.1节 综合训练(已下线)第一章 空间向量与立体几何单元检测(能力挑战卷)-【一堂好课】2021-2022学年高二数学上学期同步精品课堂(人教A版2019选择性必修第一册)(已下线)第一章 空间向量与立体几何(培优必刷卷)-2021-2022学年高二数学上学期同步课堂单元测试(人教A版2019选择性必修第一册)(已下线)1.3 空间向量及其运算的坐标表示-2021-2022学年高二数学尖子生同步培优题典(人教A版2019选择性必修第一册)(已下线)1.3.1 空间直角坐标系(备作业)-【上好课】2021-2022学年高二数学同步备课系列(人教A版2019选择性必修第一册)辽宁省实验中学2022-2023学年高二上学期10月考数学试题(已下线)1.1.3 空间向量的坐标与空间直角坐标系(分层训练)-2023-2024学年高二数学同步精品课堂(人教B版2019选择性必修第一册)(已下线)专题02 空间向量基本定理及其坐标表示压轴题(5类题型+过关检测)-【常考压轴题】2023-2024学年高二数学上学期压轴题攻略(人教A版2019选择性必修第一册)(已下线)3.3 空间向量的坐标表示(九大题型)(分层练习)-2023-2024学年高二数学同步精品课堂(沪教版2020选择性必修第一册)
名校
8 . 已知函数
,其中
是自然对数的底数.
(1)求曲线
在
处的切线方程;
(2)若对任意的
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9615147e9418853464b78ac6ca41e858.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/041a7c8fc017f596542c5e6ec7d1c40b.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
(2)若对任意的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2eedbc720b8439a14b5267bf2465f0b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2018-01-02更新
|
525次组卷
|
4卷引用:北京市大兴区兴华中学2023届高三上学期12月月考数学试题
解题方法
9 . 已知椭圆
的短轴端点到右焦点
的距离为2.
(1)求椭圆
的方程;
(2)过点
的直线交椭圆
于
两点,交直线
于点
,若
,
,求证:
为定值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad523e69a1bf925e73a22900b9855df2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2ba2238d6afe0187534155dd9ac48c6.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/495bb3e5a3a9d35f5c9f0cf1f5d51876.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7870beafefe389963cf801d996670293.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7889ce2ffdae092bd44a6eaf898628a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09c085572cd5eaa7869725febe8bad06.png)
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名校
10 . 已知圆
的弦
长为
,若线段
是圆
的直径,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19f723e8e8c76632bab7b510e4abcf16.png)
____ ;若点
为圆
上的动点,则
的取值范围是_____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/560adea7b0d4fbe4131fc41f3fcbd871.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf298f00799cbf34b4db26f5f63af92f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20a541b81584a032f571159ea152c85a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19f723e8e8c76632bab7b510e4abcf16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ceb395c79b3b43604c3d4607046f79b7.png)
您最近一年使用:0次
2017-11-16更新
|
1126次组卷
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