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已知f(x)=x3-3x,过点A(1,m) (m≠-2)可作曲线y=f(x)的三...
已知f(x)=x3-3x,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)
考点分析:
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