1 . 现代排球赛为5局3胜制,每局25分,决胜局15分. 前4局比赛中,一队只有赢得至少25分,并领先对方2分时,才胜1局. 在第5局比赛中先获得15分并领先对方2分的一方获胜. 在一个回合中,赢的球队获得1分,输的球队不得分,且下一回合的发球权属于获胜方. 经过统计,甲、乙两支球队在每一个回合中输赢的情况如下:当甲队拥有发球权时,甲队获胜的概率为
;当乙队拥有发球权时,甲队获胜的概率为
.
(1)假设在第1局比赛开始之初,甲队拥有发球权,求甲队在前3个回合中恰好获得2分的概率;
(2)当两支球队比拼到第5局时,两支球队至少要进行15个回合,设甲队在第
个回合拥有发球权的概率为
. 假设在第5局由乙队先开球,求在第15个回合中甲队开球的概率,并判断在此回合中甲、乙两队开球的概率的大小.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf31876698721a199c7c53c6b320aa86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
(1)假设在第1局比赛开始之初,甲队拥有发球权,求甲队在前3个回合中恰好获得2分的概率;
(2)当两支球队比拼到第5局时,两支球队至少要进行15个回合,设甲队在第
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c05b9832b09731a574d4a4adf7448de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59c709117ab1d3ef620883a732aed68b.png)
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2023-08-26更新
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1042次组卷
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9卷引用:预测卷02(新高考卷)
(已下线)预测卷02(新高考卷)广东省揭阳市普通高中2023届高三上学期期末数学试题山东省烟台市龙口市2022-2023学年高二下学期3月份月考数学试题(已下线)第7章 概率初步(续)(A卷·知识通关练)(1)(已下线)模块三 专题5 概率与统计--拔高能力练(人教B版)江苏省镇江第一中学2022-2023学年高二下学期期末数学试题江苏省南通市如皋中学2024届高三创新实验班夏令营数学试题(已下线)模块五 期末重组篇 专题5 高三期末(已下线)微考点7-2 递推方法计算概率与一维马尔科夫过程(数列与概率结合)
2 . 设
为正实数,若各项均为正数的数列
满足:
,都有
.则称数列
为
数列.
(1)判断以下两个数列是否为
数列:
数列
:3,5,8,13,21;
数列
:
,
,5,10.
(2)若数列
满足
且
,是否存在正实数
,使得数列
是
数列?若存在,求
的取值范围;若不存在,说明理由.
(3)若各项均为整数的数列
是
数列,且
的前
项和
为150,求
的最小值及取得最小值时
的所有可能取值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bde2576b383ae3c851529435805b3adc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/428dccc2ca7913400fd6644fb78de601.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ee7ed704a954d0414be6c3148bd566d.png)
(1)判断以下两个数列是否为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3bea0dd7e474bcd04db2544427ba0488.png)
数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed5faff5d08e2976e15f0cec988ced37.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70f5389990c3a0c5373f3bd9fb2454c9.png)
(2)若数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d765033fa3e470b4b4bae90a28514587.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/585e3a2fda3f7f3b5b484c9113a3c59f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ee7ed704a954d0414be6c3148bd566d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
(3)若各项均为整数的数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d8f894492a8126f5f133dec4cd68833.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1071ac8657ef1c4e1ea7e0530196298d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc94ddf603ec2e0af31695f6654b2d99.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b47bfab3010d4aa7e17cd1b54e26c157.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/681ae1522a36768618f7ddaf74abbb7e.png)
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2023-01-05更新
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3卷引用:北京市丰台区2023届高三上学期数学期末试题
3 . 若数列
满足
,则称
为
数列.记
.
(1)写出一个满足
,且
的
数列
;
(2)若
,证明
数列
是递减数列的充要条件是
;
(3)对任意给定的整数
,是否存在首项为
的
数列
,使得
?如果存在,写出一个满足条件的
数列
;如果不存在,说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/796dd178a4407fb9ebcfbb31c4e0ad83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ff0e2a01d9106fc251fff72e06ee01b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3cfeacc29e6a61c5b3b4e439c0a91df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a9e21b38dd94a8f9cb95aeca180957f.png)
(1)写出一个满足
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2750dc9a0ad9b327da7a92f524cb90f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/381f632499d1590206759377a73a4372.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5002f030017f6f0b34a61b2e15c5a9cb.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0459a07140f4ddcec97f191f8782685b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3cfeacc29e6a61c5b3b4e439c0a91df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0bc1f79cf7fcad140385320098a9da9.png)
(3)对任意给定的整数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ac19e2a797cd0a408316988a63b3755.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c95b6be4554f03bf496092f1acdfbb89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3cfeacc29e6a61c5b3b4e439c0a91df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5c4973ad119ab0298848998dafaa89d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3cfeacc29e6a61c5b3b4e439c0a91df.png)
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2022-01-12更新
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516次组卷
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3卷引用:北京市房山区2022届高三上学期期末考试数学试题
北京市房山区2022届高三上学期期末考试数学试题北京市第三十五中学2022届高三2月月考数学试题(已下线)高二数学下学期期末精选50题(压轴版)-2021-2022学年高二数学考试满分全攻略(人教A版2019选修第二册+第三册)
名校
解题方法
4 . 已知
是无穷数列,且
,给出该数列的两个性质:①对于
中任意两项
,在
中都存在一项
,使得
;②对于
中任意项
,在
中都存在两项
,使得
.
(1)判断数列{2n}和数列
是否满足性质①(直接写出答案即可);
(2)若
,判断数列
是否同时满足性质①和性质②,说明理由;
(3)若
是递增数列,
,且同时满足性质①和性质②,证明:数列
为等比数列.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4be2164a2c67d6163faee87a10942bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9645bd4d2002993b90ec6d48f9c04f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4be2164a2c67d6163faee87a10942bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4f3a5cd1567f0ec83b7ebb49c3766cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4be2164a2c67d6163faee87a10942bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/681ae1522a36768618f7ddaf74abbb7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70054cde112fe45b9d75f4b49f81cfca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4be2164a2c67d6163faee87a10942bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf16339dca6781c6a4ad485c4b5a04e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4be2164a2c67d6163faee87a10942bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ffa2f783484bfec4389998cf7e21d82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acf674fd486eada093c57c3147586341.png)
(1)判断数列{2n}和数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97f1eaaee5ba6c66cb91fbbf3e6d58a9.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/febc2966bb05a007c40e5a8ae411f534.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4be2164a2c67d6163faee87a10942bb.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4be2164a2c67d6163faee87a10942bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b065334d8f60c49f4bd3d9f1373fe4cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4be2164a2c67d6163faee87a10942bb.png)
您最近一年使用:0次
5 . 数列
中,给定正整数
,
.定义:数列
满足
,称数列
的前
项单调不增.
(1)若数列
通项公式为:
,
,求
;
(2)若数列
满足:
,
,
,求证:
的充分必要条件是数列
的前
项单调不增;
(3)给定正整数
,若数列
满足:
,
,且数列
的前
项和为
,求
的最大值与最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fbc3fb28d7f75bdafa284fe6d9fc0d56.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31dfee3fdf256e4521a790a67ee1e98a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7be9a6bf318ae434c988356380ba0c4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
(1)若数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b648c181bcdc3d2615ce69dfdaba838.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69d307ec71820b6536453fbdb5069da3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/675123cce20a9ce670fb7ae18943bde7.png)
(2)若数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7fab51121848ce166035ceab6f4e00b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a2257307eb0f46296bbc0d72f75ceb0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9961c1d22d4a2e408c8b00c6040d5fac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a2be1c992655c9c3aa49804d2eb4d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(3)给定正整数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c884ce1e9436d39f34f6d3116cb2a140.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a400b5443af7580aa8f0fb7499fe362.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0839f8e25165b7853288dc33e343daf2.png)
![](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/f8d7b4bb12628d5ed455d814b8aafa1f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f8861a2221f16a11415179361c7058a.png)
您最近一年使用:0次
名校
解题方法
6 . 已知函数
,其中
,定义数列
如下:
,
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cea4ac187cbb465180e89f38250b3970.png)
(1)当
时,求
的值;
(2)是否存在实数m,使
构成公差不为0的等差数列?若存在,请求出实数m的值;若不存在,请说明理由;
(3)求证:当
时,总能找到
,使得
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4dca111ffec29e2d76efc0afe050fdf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2725a89d93c791f7a0098f4964587905.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1bae03ee4ac75dacfb026290e4207dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cfb19f0c37a72b33083ae9319f11a74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cea4ac187cbb465180e89f38250b3970.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf0086b054ef120408acac806a1b1318.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed529240a883f68f0921e818addeb9c8.png)
(2)是否存在实数m,使
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed529240a883f68f0921e818addeb9c8.png)
(3)求证:当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49fe8282fb8035a439eede627d50af5b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31e36bff57bcfa86432b340e25e51d42.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82bc6b71532178cafa4fd3c897cea62c.png)
您最近一年使用:0次
2021-05-29更新
|
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4卷引用:北京市中央民族大学附属中学2021届高三三模数学试题
北京市中央民族大学附属中学2021届高三三模数学试题北京卷专题18数列(解答题)(已下线)专题7.5 数列的综合应用(讲)- 2022年高考数学一轮复习讲练测(新教材新高考)(已下线)押全国卷(理科)第17题 解三角形与数列-备战2022年高考数学(理)临考题号押题(全国卷)
7 . 已知数列
的前
项和为
.
(1)求
的通项公式;
(2)若数列
满足
,求数列
的前
项和
;
(3)若数列
满足
,求证:
.
![](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/7332ed5ad57fbdf8869176943b6d6275.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
(2)若数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84555ac5b03299e220e5ee823a4c3486.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1ae9a3b0b7aeb1545b65d91aa371b3c.png)
(3)若数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57ef6d44448092ebdb9e4a49d866a749.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b26db6f419ea5e600d0913c103dcbbb5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/015221d24ded0923094d54cf77450bac.png)
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2021-05-19更新
|
1374次组卷
|
5卷引用:专题7.22 数列大题(证明不等式2)-2022届高三数学一轮复习精讲精练
(已下线)专题7.22 数列大题(证明不等式2)-2022届高三数学一轮复习精讲精练浙江省金华市义乌市2021届高三下学期适应性考试数学试题(已下线)专题6.数列与数学归纳法 -《2022届复习必备-2021届浙江省高考冲刺数学试卷分项解析》江西省鹰潭市贵溪市第一中学2022-2023学年高二下学期期中考试数学试题(已下线)模块四专题2重组综合练(江西)(8+3+3+5模式)(北师大版高二)
8 . 数列
满足:
或
.对任意
,都存在
,使得
,其中
且两两不相等.
(1)若
,写出下列三个数列中所有符合题目条件的数列的序号;
①
;②
;③![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6682443f327ff60ddf3e91cbe7821d99.png)
(2)记
.若
,证明:
;
(3)若
,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32034ab9eaa06e450e27d87e999ea9e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bad657749a0e222333076c72bf949970.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fdb0c5b7a3e183c714fad838d246d29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c639c7e5f1e7e7ee5d5ee2f30b155bb0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b056a90a2751f04ba5fff3dc5c1d0674.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86c4d0383577207858e39b4b19b0853e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/454cc6ac47d35ebc2b34af6a8047a44e.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e94f16d5ed858699bfea5039a7bf8ae6.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d5305ea58d22efe7136d404b1d44634.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34e44f2f5b6cab3a33e24de2502ac0c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6682443f327ff60ddf3e91cbe7821d99.png)
(2)记
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6559598727fb120a5cdbf4f15510615d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8a3cc8c48bf54ec8252e5dce6867754.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/743b4f6fde34464397b010cb45eabb7d.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/662276a5012893d881e7d1d882b5ea4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
您最近一年使用:0次
2022-05-29更新
|
536次组卷
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9卷引用:北京市西城区2018届高三期末考试理科数学试题
名校
解题方法
9 . 已知二次函数
同时满足:
①不等式
的解集有且只有一个元素;
②在定义域内存在
,使得不等式
成立.
设数列
的前
项和
.
(1)求
的表达式.![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f53190d6ead827a6338b9de847aeaf1.png)
(2)求数列
的通项公式.![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f62295c36d2e2174908c2bec0eb5b30f.png)
(3)设
,
,
的前
项和为
,若
对任意
,
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/791763c9623e308ca90caa34ac905449.png)
①不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6acb0f1ac694dd177e99fc385f23318.png)
②在定义域内存在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d41acc47493556617fe7b9e55093d10.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ca3ecbbaca8eeb1cfa8f4035f7d5726.png)
设数列
![](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/715b1b3f29259c51c89e42c08b65d1b5.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f53190d6ead827a6338b9de847aeaf1.png)
(2)求数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f62295c36d2e2174908c2bec0eb5b30f.png)
(3)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6565e9b4b00e843e93d405b719ce21b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a1ca328915923e9726c4143a0fed064.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57ef6d44448092ebdb9e4a49d866a749.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1ae9a3b0b7aeb1545b65d91aa371b3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e9af55db701e8724494c816bd48bb6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd4613271f782a90ab580131d09d03d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0704f453b2de48d36911f7db496bbf82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
您最近一年使用:0次
2021-11-28更新
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456次组卷
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4卷引用:北京市海淀区北京交通大学附属中学2022-2023学年高二下学期期中练习数学试题
北京市海淀区北京交通大学附属中学2022-2023学年高二下学期期中练习数学试题2016-2017学年安徽黄山屯溪一中高二上学期摸底数学试卷江西南昌青山湖区南昌三中雷式学校2020-2021学年高一下学期期中数学试题(已下线)第4章 数列(单元提升卷)-2021-2022学年高二数学下学期考试满分全攻略(人教A版2019选修第二册+第三册)
解题方法
10 . 现有甲,乙两种不透明充气包装的袋装零食,每袋零食甲随机附赠玩具
,
,
中的一个,每袋零食乙从玩具
,
中随机附赠一个.记事件
:一次性购买
袋零食甲后集齐玩具
,
,
;事件
:一次性购买
袋零食乙后集齐玩具
,
.
(1)求概率
,
及
;
(2)已知
,其中
,
为常数,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b104090ea2ac34be58a76a4e0e95cb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7df1d9b712b639c8b6809c9f3ae03706.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32efe4eff75508cb93e828c735dcb695.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/d3cfeacc29e6a61c5b3b4e439c0a91df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b104090ea2ac34be58a76a4e0e95cb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7df1d9b712b639c8b6809c9f3ae03706.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32efe4eff75508cb93e828c735dcb695.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63f5c583c98a1fd516c6ceaa60b55dec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7688363f5ffff23a6193c7a8eee501c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5815cc29f60d2aa538c4dd30e0803a4b.png)
(1)求概率
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fb057ae53242cf70c4868ca3204bc15.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3695a828081dc7305d1ed7ba2777dfc1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5c342b8866d2ee10ac9cbeaeafa0516.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2dc014ba0beeffc0da94464251f8d4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e26ba318f5295c9ee671924a5b6f13c3.png)
您最近一年使用:0次
2020-05-20更新
|
575次组卷
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3卷引用:数学-6月大数据精选模拟卷02(北京卷)(满分冲刺篇)