已知非空集合
和集合
.
(1)当
时,
是
的必要不充分条件,求m的取值范围;
(2)当
是
的充分不必要条件时,m,n满足什么条件?
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b51bb199263e3b276f4c2b567e5519f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c38b680ef71dc5d766de88f52c015d.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc2d3df37e73a8abea815f37dbb3fff5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/320a7c616f6f7207a0a38bb707ac2205.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3591abc88bdadaf5fee459f4620fbd47.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/320a7c616f6f7207a0a38bb707ac2205.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3591abc88bdadaf5fee459f4620fbd47.png)
更新时间:2021-11-09 19:19:53
|
相似题推荐
解答题-问答题
|
适中
(0.65)
名校
解题方法
【推荐1】已知全集
,集合
,______.
在下面三个条件中任选一个,补充在上面的已知条件中并作答:
①![](https://staticzujuan.xkw.com/quesimg/Upload/formula/625de26e983aa63d2c458a60f0750ae0.png)
②![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03843182a0ff35adfda2fc2042d74b82.png)
③![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d588447421651b0cf224841b38065044.png)
(1)当
时,求
;
(2)当
时,“
”是“
”的充分不必要条件,求实数
的取值范围.
注:如果选择多个条件分别作答,按第一个解答计分.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc0dc8098ad6f31bdd87771ca9cfa33a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82adb60c18eef82c7a60dc86eb4e952b.png)
在下面三个条件中任选一个,补充在上面的已知条件中并作答:
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/625de26e983aa63d2c458a60f0750ae0.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03843182a0ff35adfda2fc2042d74b82.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d588447421651b0cf224841b38065044.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b109e426e848c161a79366657ca264dc.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e23af61cd402b3789af2401bde9cbefe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ed006b944ea64f970fee46e2f558467.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
注:如果选择多个条件分别作答,按第一个解答计分.
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
名校
解题方法
【推荐2】已知集合
.
(1)若
,求
;
(2)若“
”是“
”充分不必要条件,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d56eb222c824f4acbbbe30340f48e7e0.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d244e988ea1370b363261531415c5953.png)
(2)若“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/320a7c616f6f7207a0a38bb707ac2205.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3591abc88bdadaf5fee459f4620fbd47.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
名校
解题方法
【推荐1】已知全集
,
,
,
,在①
;②
;③
;这三个条件中任选一个补充到下列问题中并作答.
问题:设
:______,
:
,是否存在实数
,使得
是
的必要不充分条件?若实数
存在,求
的取值范围;若实数
不存在,说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/860ebb6f76cd3cb9a265dfc233002a13.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5135a447b3320afef31aa63bf7f727b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4510f854df1e130ba5390c248e88148a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce1790f847977e17a23b60efee4497be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cde2827722685b8a71f9aae2dc4d7484.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/729cabf8892ddf618ddf0afeeca0a3c4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39c7b532300e088e4beef3da6442d540.png)
问题:设
![](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/e23af61cd402b3789af2401bde9cbefe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.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/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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适中
(0.65)
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【推荐2】已知命题P:“
,使
”,不等式
的解集为N.
(1)若P为真命题,求实数m的取值集合M;
(2)若
是
的必要条件,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/611792267dda7f33df4816dac8dd01a6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6df730bcff4bcda7f3e5178a8641a85.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77c9379cd1f92f83da21bee1bdc3c676.png)
(1)若P为真命题,求实数m的取值集合M;
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ca06304795e9c2c1fd0b4a52eb8d5b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acfc595518cf752e1c7903dfff93dbda.png)
您最近一年使用:0次