3/(x+1)+2/(x-1)=6/(1-x)^23(1+x)(x-1)+2(1+x)(1-x)=6(x-1)3(x^2-1)+2(1-x^2)=6x-63x^2-3+2-2x^2=6x-6x^2-1-6x-6=0x^2-6x-5=0(x-5)(x-1)=0x=5或x=1
x+1分之3加x-1分之2=1-x的平方分之6将方程将有两边同时乘以(1+X)(1-X)(X-1),得:3(1-x)(x-1)+2(1+x)(1-x)=6(x-1)......会了吧......