1 . 已知数列
满足
,
,设
的前n项和为
,下列结论正确的( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b065334d8f60c49f4bd3d9f1373fe4cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4c01d8f6dc0e31e286a15167da0bfbf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
A.数列![]() | B.![]() |
C.![]() | D.当![]() ![]() |
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2024-04-25更新
|
1120次组卷
|
6卷引用:河南省百师联盟2023-2024学年高二4月联考数学试题
河南省百师联盟2023-2024学年高二4月联考数学试题江西省部分学校2023-2024学年高二下学期3月联考数学试卷陕西省西安市部分学校2024年高二下学期3月月考数学试题陕西省西安市长安区第三中学2023-2024学年高二下学期3月月考数学试卷(已下线)模块四专题1重组综合练(河南)高二(已下线)模块五 专题6 全真拔高模拟6(北师大高二期中)
解题方法
2 . 若数列
的项
的最大奇因数为
,则
叫做
的“滤净数列”.已知数列
满足
是
的滤净数列.
(1)求
的通项公式及
的值;
(2)若
,求
的前
项和
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96abfe2da27a63e6affb19a0c80236d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3cfeacc29e6a61c5b3b4e439c0a91df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/621604766ddd141c86e37da5e71aef26.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39a0c8aadb625077291084aa12f84c09.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1584461988bf6fbfef8be64226255c3.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88252e8d8eb03422273cea5067de02bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ed900c88cf1ca707255cd73398f6321.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3076ec6b824db9b9b8b2857219eee0e9.png)
您最近一年使用:0次
2024-04-25更新
|
276次组卷
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3卷引用:河南省青桐鸣联考2023-2024学年高二下学期3月月考数学试题
3 . 已知
.
(1)求
的值;
(2)①证明:
,其中
,
,
,…,
;
②利用①的结论求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1831d68919d7ed1b150b6f817580a1c.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a445dcea26e7383fe2bf34929b0c3b7.png)
(2)①证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b70295371f3bd96db6a669283964b44.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5095a28bb1b91bf6bed9e2cfbd76bb18.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ca7d1107389675d32b56ec097464c14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2d51f9147b8265c0276c1f2c2659197.png)
②利用①的结论求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37ba13c682e41c82aed398306c7e66ae.png)
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4 . 若实数
分别是方程
,
的根,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3bf7fd898b29856117f9e2b9ece8c74c.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aac036ac82989e301088b9c898e00e66.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94b953e06f7a01faeace7176ddd2d77c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3bf7fd898b29856117f9e2b9ece8c74c.png)
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5 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f07c3a159daa9db2a1ed95e3badcdce.png)
(1)求
的单调区间;
(2)若
在区间
上恒成立,求a的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f07c3a159daa9db2a1ed95e3badcdce.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e9c599e8d420006448905acec2b8234.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed6d804ef44bfc64f824b0ccef71765e.png)
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解题方法
6 . 已知抛物线
与
有且仅有一个公共点.
(1)求
的最大值;
(2)当
最大时,过点
的直线
交
于点
,过
引
的切线,两切线交于点
,若
的面积为
,求直线
的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc7ad3432ac96b0a38beaa7f2edc3499.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bc6414461d8d228dc89f3b348043d65.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.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/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2205cffebf8c4d5f81d15ed7b85c8936.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e7dc603317eb90974c75efec9f02b1b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
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2024-04-16更新
|
125次组卷
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2卷引用:河南省青桐鸣联考2023-2024学年高二下学期3月月考数学试题
7 . 已知函数
有两个不同的零点,则实数a的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef54fb6a0efd1c41974ada99f2871cf2.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
解题方法
8 . 设直线系
(其中0,m,n均为参数,
,
),则下列命题中是真命题的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27b73cf02fb24824f6343afb9d255dd8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8453a001673a2850320eebc033c3618d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a0a309ce715cd1a9d503c1a201c71ae.png)
A.当![]() ![]() |
B.存在m,n,使直线系M中所有直线恒过定点,且不过第三象限 |
C.当![]() ![]() |
D.当![]() ![]() ![]() ![]() |
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2024-04-15更新
|
640次组卷
|
3卷引用:河南省南阳市西峡县第一高级中学2023-2024学年高二下学期第一次月考数学试卷
名校
解题方法
9 . 不等式
对于任意的
,
恒成立,则a的最大值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8483af3fd33de39ac3f89537305a5452.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24a57996290794e082b21d8f1dfc322a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c81b53f8bdd3a06b9753c71b55cd10f.png)
A.![]() | B.1 | C.e | D.![]() |
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2024-04-13更新
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251次组卷
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2卷引用:河南省叶县高级中学2023-2024学年高二下学期3月月考数学试题
10 . 已知双曲线
的左、右焦点分别为
为坐标原点,A,B为双曲线上两点,且满足
,
为C上异于A,B的动点,则下列结论正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7abfde9ec4a22b0daa1ea8cb65a192ae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/447120a38d5e15d7a01d36231d648d7c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de3ff4b03ad2a29a648e9bdb403696d6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
A.C的渐近线方程为![]() |
B.双曲线C的焦点到渐近线的距离为![]() |
C.当![]() ![]() |
D.设MA,MB的斜率分别为![]() ![]() |
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