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若a>2,则函数f(x)=x3-3ax+3在区间(0,2)上零点的个数为( ) ...
若a>2,则函数f(x)=x3-3ax+3在区间(0,2)上零点的个数为( )
A.0个
B.1个
C.2个
D.3个
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