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.
RSolve[{b[n + 1] == (b[n] + d) (1 + r), b[0] == a - d}, b[n], n]
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random
