Uh oh! Wolfram|Alpha doesn't run without JavaScript.
Please enable JavaScript. If you don't know how, you can find instructions
here
.
Once you've done that, refresh this page to start using Wolfram|Alpha.
求 f(x) = (2x + 3)/(x - 1) , x != 1 的反函数。
求 f(x) = (2x + 3)/(x - 1) , x != 1 的反函数。
Natural Language
Math Input
Extended Keyboard