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直线y=x的任意点P与圆x2+y2-10x-2y+24=0的任意点Q间距离的最小...
直线y=x的任意点P与圆x2+y2-10x-2y+24=0的任意点Q间距离的最小值为 .
考点分析:
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在
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的二项展开式中,常数项等于
.
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已知集合M={(x,y)|y=f(x)},若对于任意(x
1,y
1)∈M,存在(x
2,y
2)∈M,使得x
1x
2+y
1y
2=0成立,则称集合M是“垂直对点集”.给出下列四个集合:
①M={
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};
②M={(x,y)|y=sinx+1};
③M={(x,y)|y=log
2x};
④M={(x,y)|y=e
x-2}.
其中是“垂直对点集”的序号是( )
A.①②
B.②③
C.①④
D.②④
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函数f(x)=Asin(ωx+φ)(其中A>0,ω>0,
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)的图象如图所示,为了得到y=cos2x的图象,则只要将f(x)的图象( )
A.向左平移
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个单位长度
B.向右平移
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131025124428475968364/SYS201310251244284759683010_ST/2.png)
个单位长度
C.向左平移
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131025124428475968364/SYS201310251244284759683010_ST/3.png)
个单位长度
D.向右平移
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个单位长度
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执行如图所示的程序框图,输出的S值为( )
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A.4
B.
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C.
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D.-1
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如图所示,在边长为l的正方形OABC中任取一点P,则点P恰好取自阴影部分的概率为( )
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131025124428475968364/SYS201310251244284759683008_ST/images0.png)
A.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131025124428475968364/SYS201310251244284759683008_ST/0.png)
B.
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C.
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D.
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