![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131024182919629976555/SYS201310241829196299765008_ST/0.png)
的展开式中的常数项是
.(用数字作答)
考点分析:
相关试题推荐
已知点F
1、F
2分别是椭圆
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131024182919629976555/SYS201310241829196299765007_ST/0.png)
的左、右焦点,过F
1且垂直于x轴的直线与椭圆交于A、B两点,若△ABF
2为正三角形,则该椭圆的离心率e是( )
A.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131024182919629976555/SYS201310241829196299765007_ST/1.png)
B.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131024182919629976555/SYS201310241829196299765007_ST/2.png)
C.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131024182919629976555/SYS201310241829196299765007_ST/3.png)
D.
查看答案
若以连续抛掷两次骰子分别得到的点数m、n作为点P的坐标,则点P落在圆x
2+y
2=16内的概率为( )
A.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131024182919629976555/SYS201310241829196299765006_ST/0.png)
B.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131024182919629976555/SYS201310241829196299765006_ST/1.png)
C.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131024182919629976555/SYS201310241829196299765006_ST/2.png)
D.
查看答案
设函数f(x)=x
m+ax的导函数f′(x)=2x+1,则数列{
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131024182919629976555/SYS201310241829196299765005_ST/0.png)
}(n∈N
*)的前n项和是( )
A.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131024182919629976555/SYS201310241829196299765005_ST/1.png)
B.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131024182919629976555/SYS201310241829196299765005_ST/2.png)
C.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131024182919629976555/SYS201310241829196299765005_ST/3.png)
D.
查看答案
设
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131024182919629976555/SYS201310241829196299765004_ST/0.png)
、
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131024182919629976555/SYS201310241829196299765004_ST/1.png)
、
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131024182919629976555/SYS201310241829196299765004_ST/2.png)
是单位向量,且
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131024182919629976555/SYS201310241829196299765004_ST/3.png)
,则
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131024182919629976555/SYS201310241829196299765004_ST/4.png)
•
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131024182919629976555/SYS201310241829196299765004_ST/5.png)
的最小值为( )
A.-2
B.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131024182919629976555/SYS201310241829196299765004_ST/6.png)
-2
C.-1
D.1-
查看答案
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131024182919629976555/SYS201310241829196299765003_ST/images0.png)
如图所示,一个空间几何体的正视图、侧视图、俯视图为全等的等腰直角三角形,如果直角三角形的直角边长为1,那么这个几何体的体积为( )
A.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131024182919629976555/SYS201310241829196299765003_ST/0.png)
B.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131024182919629976555/SYS201310241829196299765003_ST/1.png)
C.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131024182919629976555/SYS201310241829196299765003_ST/2.png)
D.1
查看答案