Question

y=x+2分之x-3的反函数是x=1-y分之3+2y;请问它解的过程解法是什么?

Answer 1

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)