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.
设 f, g: R -> R 是满足 (f \circ g)(x) = x^2 + 1 且的函数。求。
设 f, g: R -> R 是满足 (f \circ g)(x) = x^2 + 1 且的函数。求。
Natural Language
Math Input
Extended Keyboard