Shoutbox

quote:

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Originally posted by Chrono
i see you solved 14!/(14-3)!*3!, but why? I'd like to know (Smilie)

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oh

you get the 14 by doing 11+3 and you get the 3 by doing one less than the amount of X's
so you get C(14,3) which = 14!/(14-3)!*3!

so its something like
n = result + (amount - 1)
r = amount - 1
C(n, r)


i think... o;