解不等式(6x^2+2)/(5-3x)
问题描述:
解不等式(6x^2+2)/(5-3x)
答
(6x+2)/(5-3x)<1 (6x+2)/(5-3x)-1<0 [(6x+2)/(5-3x)]-[(5-3x)/(5-3x)]<0 (6x+2-5+3x)/(5-3x)<0 (6x+3x-3)/(5-3x)<0 3(2x+x-1)/(5-3x)<0 3(2x-1)(x+1)/(5-3x)<0 则(2x-1)(x+1)(3x-5)>0 则x>5/3或-1<x<1/2