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.
d = 52; b = 60; ((d+d-2) choose (b-2)) / ((d+d) choose (b))
d = 52; b = 60; ((d+d-2) choose (b-2)) / ((d+d) choose (b))
Natural Language
Math Input
Extended Keyboard
