已知命题
,
.
(1)当
时,p是q的什么条件?
(2)若p是q的必要不充分条件,求m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28b453a4a50e23a58b678a8e329af3f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b733ab7d5deeb6ef4dd747af7fd656a9.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c7a1d739890a8951586e23b78b035bc.png)
(2)若p是q的必要不充分条件,求m的取值范围.
更新时间:2022-12-29 11:13:25
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【推荐1】判断下列p是q的什么条件(充分不必要条件,必要不充分条件,既不充分也不必要条件,充分必要条件).
(1)
:
是无理数;
:
是有理数.
(2)
:
;
:
.
(3)
:
;
:点
在第一象限.
(4)
:集合
有两个子集;
:
或
.
(1)
![](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/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b0a89e3c30f6e4d4c5db4378b05d987.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df7fc38ead8a6dad022cf3621f0e48f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6749db809dd84c2cfe5c47bea121e356.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59c328c9c4ec69c4275e27576fb61655.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82a79a33a83a7ba57a34b5093d1d1d02.png)
(4)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa601e063e0bd2d0be394cef78b75417.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b4d795709b0abcf47bceec2250f2f9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ca8b26c3ad6d892590290a2304126bd.png)
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【推荐2】已知
,向量
,向量
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.
(1)判断“
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(2)设命题
若
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.命题
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.判断
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bfe644deffe08db50f9daed14034e6c1.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/293157fe90dcd32bbd0d7ab2ddc19c1d.png)
(1)判断“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72fbc714c63815dad9a27418f6492f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b623006a91d3a0c39f36e0f74bf562fb.png)
(2)设命题
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51441c8788ff11be766766227793246d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/057cdb4057bca398a838e868efd360f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8913079928e876105620cac719e0a092.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce20ef9c08e82df8c7f45bac6dd31d36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf0086b054ef120408acac806a1b1318.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c13472bf0353e16784a22e1f890fba40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e26b38e357c7d985656ba7bb3c794a5.png)
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【推荐1】已知集合
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0891834d367d1ed3b81811ecc4ae3ab8.png)
.
(1)命题P∶“
,都有
”,若命题P为真命题,求a的值.
(2)若
是
的必要条件,求实数m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a089785ed727e3f0735ec470ee6ca200.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0891834d367d1ed3b81811ecc4ae3ab8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f47134ccbe3f552e35675f199d5dfd1.png)
(1)命题P∶“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26496478abd204bea6e5e3f76350e939.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3cc4c15b1d62420f42732db3b626ce3f.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3cc4c15b1d62420f42732db3b626ce3f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3527e5db0a80be1d9086a91609077168.png)
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【推荐2】已知集合
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(1)当
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(2)若q是p的必要条件,求实数a的取值范围.
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解题方法
【推荐2】设集合
,
.
(1)若
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7865b41adab5788648fbfd1b3241bbe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ef2a3ba5b4fc954ec7742e34e7236d2.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3eb171e17bd57652ac5812da5a823dc0.png)
(2)若
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(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76ffaf58f938f2e4e6b97edd6acc1dc9.png)
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【推荐1】已知集合A={x|x2-5x≤0},B={x|(x-t)(x-t-6)≤0},其中t∈R.
(1)当t=1时,求A∪B;
(2)若A⊆B,求t的取值范围.
(1)当t=1时,求A∪B;
(2)若A⊆B,求t的取值范围.
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【推荐2】已知
.
(1)当
时,若
为真命题,求x的取值范围;
(2)若p是q的充分不必要条件,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/056733efc0d7252f7dfbbf00429321b3.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c13472bf0353e16784a22e1f890fba40.png)
(2)若p是q的充分不必要条件,求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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