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已知函数有两个零点x1,x2,则有( ) A.x1x2<0 B.x1x2=1 C...
已知函数
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有两个零点x
1,x
2,则有( )
A.x
1x
2<0
B.x
1x
2=1
C.x
1x
2>1
D.0<x
1x
2<1
考点分析:
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