最佳答案:y=(1+x)/(1-x)y(1-x)=1+xy-xy=1+xxy-x=1+yx(y-1)=1+yx=(y+1)/(y-1)则反函数是y=(x+1)/(x-1)
最佳答案:y=(2x-3)/(x-1)y(x-1)=2x-3yx-y=2x-3yx-2x=y-3x(y-2)=y-3x=(y-3)/(y-2)所以反函数是y=(x-3)/
最佳答案:y=(x-3)/(x+2)-->y*(x+2)=x-3-->x*y+2y-x+3=0-->x*(y-1)=-2y-3-->x=(2y+3)/(1-y)
最佳答案:y=(x-3)/(x+2)-->y*(x+2)=x-3-->x*y+2y-x+3=0-->x*(y-1)=-2y-3-->x=(2y+3)/(1-y)请不要抄袭