名校
解题方法
1 . 1.已知集合
,集合
.
(1)求常数m、n的值;
(2)设
,且p是q的充分不必要条件,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/899bb0e19d53e850bcad2bf7c0d2fc3e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/823b7c84ed2f676174678455a2bd4062.png)
(1)求常数m、n的值;
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1172c80b0d9bcb52d4071f27171819ad.png)
您最近一年使用:0次
2021-11-09更新
|
474次组卷
|
6卷引用:上海市第二中学2021-2022学年高一上学期期中数学试题
名校
2 . 已知
集合
,
.
(1)当
时,求
;
(2)设
;
,若
是
的充分不必要条件,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab29051e63cfea6d895037dec9f769c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/782fa7f632d57251f7ce3cf3290f3a40.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e65397f11ea8af736f38debadf420c4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fc11e9183ffccd297df4a1c18618bae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/218c5309e534904dc6bf768074965239.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2021-01-29更新
|
484次组卷
|
6卷引用:上海市交通大学附属中学2020-2021学年高二下学期期中数学试题
上海市交通大学附属中学2020-2021学年高二下学期期中数学试题江苏省无锡市锡山高级中学2020-2021学年高一上学期期末数学试题江苏省苏州中学2020-2021学年高二下学期期初质量评估数学试题海南省三亚华侨学校2020-2021学年高一下学期返校考试数学试题宁夏吴忠市吴忠中学2020-2021学年高二3月月考数学(理)试题(已下线)1.2 充分条件与必要条件基础练-2021-2022学年高二数学同步训练精选新题汇编(人教A版选修2-1)
名校
3 . 已知命题![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51441c8788ff11be766766227793246d.png)
,且
,命题![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce20ef9c08e82df8c7f45bac6dd31d36.png)
,且
,
(1)若
,求实数a的取值范围;
(2)若p是q的充分条件,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51441c8788ff11be766766227793246d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ed006b944ea64f970fee46e2f558467.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c3daf27df3c89fba8e64a363f51762e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce20ef9c08e82df8c7f45bac6dd31d36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e23af61cd402b3789af2401bde9cbefe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b9be46eacd0ee135b87894b14562198.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35a2410ce34b36954ed4923e600d42f5.png)
(2)若p是q的充分条件,求实数a的取值范围.
您最近一年使用:0次
2020-04-23更新
|
360次组卷
|
4卷引用:上海市嘉定区第二中学2020-2021学年高一上学期期中数学试题
名校
4 . 设α:A={x|﹣1<x<1},β:B={x|b﹣a<x<b+a}.
(1)设a=2,若α是β的充分不必要条件,求实数b的取值范围;
(2)在什么条件下,可使α是β的必要不充分条件.
(1)设a=2,若α是β的充分不必要条件,求实数b的取值范围;
(2)在什么条件下,可使α是β的必要不充分条件.
您最近一年使用:0次
5 . 已知
:
,
:
.
(1)若
为真,求
的取值范围;
(2)若
是
的充分不必要条件,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db84def74d904aafe42dfe39cc70ef3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84f0573d17322360c2edf25ef4fffd02.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ffc1bb9d53a27d484396ad74d6a26e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
15-16高三上·上海浦东新·期中
名校
解题方法
6 . 设
是各项均为非零实数的数列
的前n项和,给出如下两个命题上:命题p:
是等差数列;命题q:等式
对任意![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
恒成立,其中k,b是常数.
(1)若p是q的充分条件,求k,b的值;
(2)对于(1)中的k与b,问p是否为q的必要条件,请说明理由;
(3)若p为真命题,对于给定的正整数n
和正数M,数列
满足条件
,试求
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d471926f7b27322d90c82b9ce21d3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d471926f7b27322d90c82b9ce21d3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29656190eb7187450a32b9f6d6f933d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9fc82353331abee0828dee9b38c08f2.png)
(1)若p是q的充分条件,求k,b的值;
(2)对于(1)中的k与b,问p是否为q的必要条件,请说明理由;
(3)若p为真命题,对于给定的正整数n
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c23efc3c1f4017dc0ffcf346e3138ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d471926f7b27322d90c82b9ce21d3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8200bfd1619727d1847b7f6b30719e9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
您最近一年使用:0次
2020-01-30更新
|
887次组卷
|
3卷引用:上海市华东师大二附中2016届高三上学期期中数学试题
名校
7 . 已知P:矩阵
的某个列向量的模不小于2;Q:行列式
中元素
的代数余子式的值不大于2,若P是Q成立的充分条件,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b55edb2ddccc15893871245ee88824f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f756ccd338baa7a1c01f49a5a760e0ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acbc6a613224461ade69362d46550474.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
8 . 设
,若
是
的充分条件,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56d4f347824c48f397a5db364e013b47.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
名校
9 . 命题
:实数
满足
(其中
),命题
:实数
满足
.
(1)若
,且命题
均为真命题,求实数
的取值范围;
(2)若
是
的充分不必要条件,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ebff6619f0334a3494d94c6cacf2f2ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ce996709a8f70800e8e383f72d1bdde.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a550c916c64f621010e604a30ef67566.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2019-11-05更新
|
1014次组卷
|
7卷引用:上海市崇明中学2021-2022学年高一上学期期中数学试题
名校
10 . 设α:x2-4x+3≤0,β:m+1≤x≤2m+4.
(1)α是β的充分条件,求实数m的取值范围;
(2)记A={x|x2-4x+3≤0},B={x|m+1≤x≤2m+4},且∁RA∩B=B,求实数m的取值范围
(1)α是β的充分条件,求实数m的取值范围;
(2)记A={x|x2-4x+3≤0},B={x|m+1≤x≤2m+4},且∁RA∩B=B,求实数m的取值范围
您最近一年使用:0次
2019-01-12更新
|
446次组卷
|
4卷引用:【校级联考】上海外国语大学闵行外国语、莘庄高中联考2018-2019学年高一(上)期中数学试题
【校级联考】上海外国语大学闵行外国语、莘庄高中联考2018-2019学年高一(上)期中数学试题吉林省梅河口市第五中学2019-2020学年高二5月月考数学(文)试题(已下线)本册内容复习卷(能力提升)-2020-2021学年高二数学单元测试定心卷(人教版选修1-1)(已下线)本册内容复习卷(能力提升)-2020-2021学年高二数学单元测试定心卷(苏教版选修1-1)