在等比数列{an}中,“a1<a3”是“an<an+1”的
17-18高二·全国·单元测试 查看更多[1]
(已下线)章末核心素养提升1(随堂演练)-2018年数学同步优化指导(北师大版选修1-1)
更新时间:2018-11-08 10:33:53
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【知识点】 判断命题的必要不充分条件解读
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填空题-概念填空
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【推荐1】(1)一般地,如果
,那么称:
是
的________ 条件,
的________ 条件.
(2)①如果
且
,那么称
是
的__________ 条件,简称______ 条件,记作_____ .
②如果
且![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f3140e75ded8afae1d3d547890223a6.png)
,那么称
是
的_________________________ 条件;
③如果![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f3140e75ded8afae1d3d547890223a6.png)
且
,那么称
是
的_________________________ 条件;
④如果![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f3140e75ded8afae1d3d547890223a6.png)
且![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f3140e75ded8afae1d3d547890223a6.png)
,那么称
是
的________________________ 条件.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/286271b0f732fd78cd4ef9f8bd4038de.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/e1c07c9c585ff6f2fecff0f5684d5c26.png)
(2)①如果
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/286271b0f732fd78cd4ef9f8bd4038de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b566aefb2f2a8fd1a5d8828e1e178ae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
②如果
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/286271b0f732fd78cd4ef9f8bd4038de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f3140e75ded8afae1d3d547890223a6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
③如果
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f3140e75ded8afae1d3d547890223a6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b566aefb2f2a8fd1a5d8828e1e178ae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
④如果
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f3140e75ded8afae1d3d547890223a6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f3140e75ded8afae1d3d547890223a6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
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【推荐2】“以方程
的解为坐标的点都是曲线C上的点”是“曲线C的方程是
”的________ 条件.(填“充分不必要”“必要不充分”“充要”“既不充分也不必要”)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94ba1c45c55da8fb125b91b100479e6a.png)
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