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.
使用导数定义计算 f(x) = x^2 在 f'(3) 。(答: 6 。)
使用导数定义计算 f(x) = x^2 在 f'(3) 。(答: 6 。)
Natural Language
Math Input
Extended Keyboard