不等式组
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131024182632968912439/SYS201310241826329689124012_ST/0.png)
所确定的平面区域的面积为
.
考点分析:
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若
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131024182632968912439/SYS201310241826329689124011_ST/0.png)
的展开式中的各项系数之和大于8且小于32,则展开式中系数最大的项为
.
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关于x的不等式|x+2|+|x-3|>a对任意x∈R恒成立,则a的取值范围为
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已知f(x)=x
3-3x,过点A(1,m) (m≠-2)可作曲线y=f(x)的三条切线,则实数m的取值范围是( )
A.(-1,1)
B.(-2,3)
C.(-1,2)
D.(-3,-2)
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已知双曲线
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131024182632968912439/SYS201310241826329689124008_ST/0.png)
(a>0,b>0)的左右焦点是F
1,F
2,设P是双曲线右支上一点,
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131024182632968912439/SYS201310241826329689124008_ST/1.png)
上的投影的大小恰好为
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131024182632968912439/SYS201310241826329689124008_ST/2.png)
且它们的夹角为
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131024182632968912439/SYS201310241826329689124008_ST/3.png)
,则双曲线的离心率e为( )
A.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131024182632968912439/SYS201310241826329689124008_ST/4.png)
B.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131024182632968912439/SYS201310241826329689124008_ST/5.png)
C.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131024182632968912439/SYS201310241826329689124008_ST/6.png)
D.
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如图是函数y=tan
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131024182632968912439/SYS201310241826329689124007_ST/0.png)
的图象的一部分,则
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131024182632968912439/SYS201310241826329689124007_ST/1.png)
=( )
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131024182632968912439/SYS201310241826329689124007_ST/images2.png)
A.4
B.-4
C.2
D.-2
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