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 (((b+r)/2)^n-((b-r)/2)^n)/(((b+r)/2)^(n-1)-((b-r)/2)^(n-1))=v for n
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random