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.
integral (from 1 to 2) ((x- entier(x))(1-3log x)/(x^4) )dx =
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random