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.
coefficients ((86/256) + (85/256)z + (85/256)z^2)^3
coefficients ((86/256) + (85/256)z + (85/256)z^2)^3
Natural Language
Math Input
Extended Keyboard
