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1 . 已知
:
:
,且
是
的充分条件,则实数
的取值范围为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0658b64ca962f5a49bd83fd4f8e17a16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4471522d6d5e515b058eb21827a3e62c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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名校
2 . 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.
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3 . 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)
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15-16高三上·上海浦东新·期中
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解题方法
4 . 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)
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2020-01-30更新
|
888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
5 . 已知集合
,
,若
是
的充分条件,则实数m的值为______
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fae4d54a67aeffe27c67e81e5b4e76a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2d43473afd7d3ede6fe0c9b38b6fb0b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ed006b944ea64f970fee46e2f558467.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e23af61cd402b3789af2401bde9cbefe.png)
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6 . 设
:
或
,
:
或![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46c4e876be97c7e866386c1d475587f9.png)
是
的充分非必要条件,则
的取值范围为_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b27f27cbb8185c1974d715ff95f8801c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5fcc9d89d4438881acbb905442789a0c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36d48f5e6a0e7b7bc81588b8481a1488.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46c4e876be97c7e866386c1d475587f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2020-01-16更新
|
136次组卷
|
2卷引用:上海市南洋模范中学2017-2018学年高一上学期期中数学试题
7 . 设条件
,条件
,且
是
的充分条件,则实数
的取值范围是___________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1a9ef3783261490db1fa937edcdb708.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37e6d47f0f627380d543f2c4bf32f199.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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8 . 已知
,
,若q是p的充分不必要条件,则a的取值范围是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cd2f173c5517594a5151fd4e65fc428.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86181f449122da48eb36b17e761c5b2b.png)
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9 . 设
,
,
,
是
的充分条件,则
的取值范围是__________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/862aefef89e59d1e75a8592140da91a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/adb44f1775abfecd0e036f737dbcf6b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37b97b295f88972ba1c7e3cefda0885d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
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2020-01-11更新
|
100次组卷
|
2卷引用:上海市宝山区建峰附属高中2017-2018学年高一上学期期中数学试题
名校
10 . 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)
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