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.
Cauchy分布:确定常数 c 使得 f(x) = c/(1+x^2) 是 R 上的概率密度。
Cauchy分布:确定常数 c 使得 f(x) = c/(1+x^2) 是 R 上的概率密度。
Natural Language
Math Input
Extended Keyboard