(2X-5)/(3X-1)

问题描述:

(2X-5)/(3X-1)

数学人气:327 ℃时间:2020-05-03 06:53:11
优质解答
(2X-5)/(3X-1)(2X-5)/(3X-1)-1<0
[(2x-5)-(3x-1)]/(3x-1)<0
(-x-4)/(3x-1)<0
(x+4)(3x-1)>0
∴x<-4或x>1/3
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(2X-5)/(3X-1)(2X-5)/(3X-1)-1<0
[(2x-5)-(3x-1)]/(3x-1)<0
(-x-4)/(3x-1)<0
(x+4)(3x-1)>0
∴x<-4或x>1/3