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.
solve [(1 - x) / (1 + x) = ((1-1/1560)/(1+1/1560))^1560] for x
solve [(1 - x) / (1 + x) = ((1-1/1560)/(1+1/1560))^1560] for x
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random