2012·福建福州·一模
1 . 将方程
的正根从小到大地依次排列为
,给出以下不等式:
①
; ②
;
③
; ④
;
其中,正确的判断是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c6e87c987c396aaa1bd2290924bad0a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36e42182e935b7dd5417f53325e65dce.png)
①
![](https://img.xkw.com/dksih/QBM/2012/7/31/1570946948816896/1570946954289152/STEM/131536b27b9e49e7838b29b38e799c74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/544a16b84996bb1720f907f87ed4fd07.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ba7e194db235ea8be336ecc9f862470.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7695b7e777e1e4ef9127a4823feff8eb.png)
其中,正确的判断是
A.①③ | B.①④ | C.②③ | D.②④ |
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2 . 若常数
满足
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df2ca69ab3523bad538e6b18f1d11837.png)
_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b70df6297771851ff2167c52e24ed05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df2ca69ab3523bad538e6b18f1d11837.png)
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真题
解题方法
3 . 把
展开成关于
的多项式,其各项系数和为
,则
等于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a73f5259895fd1ea36a53563390579c4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96abfe2da27a63e6affb19a0c80236d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b2a0ed656c15de1e308e6f7c19de782.png)
A.![]() | B.![]() | C.![]() | D.2 |
您最近一年使用:0次
2016-11-30更新
|
1810次组卷
|
2卷引用:2007年普通高等学校招生全国统一考试理科数学卷(福建)