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arcsin(x-3)/(2x-1)>π/6的解集是
人气:405 ℃ 时间:2020-05-24 20:01:24
解答
π/2>=arcsin(x-1)>π/6或-π/2<=arcsin(x-1)<-π/6
所以1/2<x-1<=1
或-1<=x-1<-1/2
所以3/2<x<=2或0<=x<1/2
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