分式方程解:(1)4x/(x-2) -3/(2-x)=1;(2)x/(x-1) -1=2/x;(3)3/(x-1) + 2x/(x+1)=2
问题描述:
分式方程解:(1)4x/(x-2) -3/(2-x)=1;(2)x/(x-1) -1=2/x;(3)3/(x-1) + 2x/(x+1)=2
答
(1)4x/(x-2) -3/(2-x)=1;4x/(x-2)+3/(x-2)=14x+3=x-23x=-5x= -5/3经检验,x= -5/3是分式方程的解(2)x/(x-1) -1=2/x;x²-x(x-1)=2(x-1)x²-x²+x=2x-2x=2经检验,x= 2是分式方程的解(3)3/(x-1) + 2x/(x+1)...