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已知2a+1<0,则关于x的不等式x2-4ax-5a2<0的解集是

发布时间:2021-07-20

A.{x|x>5a或x<-a}

B.{x|x<5a或x>-a}

C.{x|-a<x<5a}

D.{x|5a<x<-a}

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