已知复数z
1=sin2x+λi,
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101230942018622757/SYS201311012309420186227010_ST/0.png)
,且z
1=z
2.
(1)若λ=0且0<x<π,求x的值;
(2)设λ=f(x),已知当x=α时,
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101230942018622757/SYS201311012309420186227010_ST/1.png)
,试求
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101230942018622757/SYS201311012309420186227010_ST/2.png)
的值.
考点分析:
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已知a>0,设命题p:函数y=a
x在R上单调递减,q:设函数
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101230942018622757/SYS201311012309420186227009_ST/0.png)
对任意的x,恒有y>1.若p∧q为假,p∨q为真,求a的取值范围.
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方程
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101230942018622757/SYS201311012309420186227008_ST/0.png)
表示的曲线为C,给出下列四个命题:
①曲线C不可能是圆;
②若曲线C为椭圆,则1<t<4;
③若曲线C为双曲线,则t<1或t>4;
④若曲线C表示焦点在x轴上的椭圆,则
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101230942018622757/SYS201311012309420186227008_ST/1.png)
.
其中正确命题序号是
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设n为正整数,
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101230942018622757/SYS201311012309420186227007_ST/0.png)
,计算得
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101230942018622757/SYS201311012309420186227007_ST/1.png)
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![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101230942018622757/SYS201311012309420186227007_ST/2.png)
,f(16)>3,观察上述结果,可推测一般的结论为
.
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直角坐标系中横坐标、纵坐标均为整数的点称为格点,如果函数f(x)的图象恰好通过k(k∈N
*)个格点,则称函数f(x)为k阶格点函数,下列函数:
①f(x)=sinx;②f(x)=3π(x-1)
2+2;③
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101230942018622757/SYS201311012309420186227006_ST/0.png)
;④f(x)=log
0.5x,其中是一阶格点函数的有
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![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101230942018622757/SYS201311012309420186227005_ST/images0.png)
如图所示的三角形数阵叫“莱布尼兹调和三角形”,它们是由整数的倒数组成的,第n行有n个数且两端的数均为
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101230942018622757/SYS201311012309420186227005_ST/0.png)
(n≥2),每个数是它下一行左右相邻两数的和,如
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101230942018622757/SYS201311012309420186227005_ST/1.png)
,
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101230942018622757/SYS201311012309420186227005_ST/2.png)
,
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101230942018622757/SYS201311012309420186227005_ST/3.png)
,…,则第10行第4个数(从左往右数)为( )
A.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101230942018622757/SYS201311012309420186227005_ST/4.png)
B.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101230942018622757/SYS201311012309420186227005_ST/5.png)
C.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101230942018622757/SYS201311012309420186227005_ST/6.png)
D.
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