已知函数
和直线
,那么“
”是“直线
与曲线
相切”的___________ 条件(填充分不必要、必要不充分、充分必要、既不充分也不必要)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b923078510697d5f7f9ea392eb76dd9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72205f560031db36f9887adcc9cf231c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b4d795709b0abcf47bceec2250f2f9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
2022高三·江苏·专题练习 查看更多[1]
(已下线)“8+4+4”小题强化训练(1)集合与常用逻辑用语-2022届高考数学一轮复习(江苏等新高考地区专用)
更新时间:2021-09-27 17:36:47
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【推荐1】给出如下四个命题:
①“抛物线
的焦点坐标是
”为真命题;
②若
:
,则
:
;
③“
,
”的否定是“
,
”;
④“任意
,
”为真命题的一个充分不必要条件是
.
其中不正确的命题的是___________ .
①“抛物线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b1183df9f26985febdc844cda75ed4c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d7a999c36de5c9a9ce876a4a56fa34c.png)
②若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0483b89034216f8684241e66e7942d4b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4034672c4968a0607d04f8b6d0c0627a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1940991107dc6ae92d8fa19df561e508.png)
③“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc906b12f576e3ffc5e74d3d50c2bbac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6935a13445cd10752d10072d9ad4f188.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d009c9bd0a09d83c817b3bef8ef8351e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2fc142a1a27251086b668c77bfebf65.png)
④“任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0eac2b31a19918895e5af2d316490e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee9815fddd14a70e4786a3b608876b3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f184ef9e0d57554e95f369c9d4bbfea1.png)
其中不正确的命题的是
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【推荐2】若
都是实数,试从①
,②
,③
中选出所有适合的条件,用序号填空:
(1)“
”的充要条件是 _________ ;
(2)“
”的充分不必要条件是 _________ ;
(3)“
且
”的必要不充分条件是 _________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09b4937e23136a512ac1241ea7ba1c71.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fa4f30f2d20877e74d9ae8c24366c82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1fb20e291772c2614ad19f4cc919dfec.png)
(1)“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3cbcc6911602f0b0a26da59fb01ad402.png)
(2)“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9af00dcf5e126e1e0d684ad03d601d98.png)
(3)“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b4d795709b0abcf47bceec2250f2f9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a3c442579603164f3fc19458677d307.png)
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【推荐1】若曲线
在点
处的切线平行于直线
,则点
的坐标为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65c8c1127e041a5dd03a4f0b2af45ab2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b740d1f7ec8da97b4bd1f55378f9fbe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
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【推荐2】若曲线
在点
处的切线也是曲线
的切线,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
__________ .
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e731337c844a9ad4ec7fb221528f87c5.png)
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