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.
IVT: show that x^3 - x - 1 = 0 has a root in (1, 2)
IVT: show that x^3 - x - 1 = 0 has a root in (1, 2)
Natural Language
Math Input
Extended Keyboard
