Re: Inconsistent behavior?
- To: mathgroup at smc.vnet.net
- Subject: [mg87263] Re: [mg87243] Inconsistent behavior?
- From: Bob Hanlon <hanlonr at cox.net>
- Date: Sun, 6 Apr 2008 06:41:08 -0400 (EDT)
- Reply-to: hanlonr at cox.net
It tries to keep the output to a reasonable length. If you want it expanded, use FunctionExpand.
Binomial[n, 6] // FunctionExpand
(1/720)*(n - 5)*(n - 4)*(n - 3)*
(n - 2)*(n - 1)*n
Binomial[n, 7] // FunctionExpand
((n - 6)*(n - 5)*(n - 4)*(n - 3)*
(n - 2)*(n - 1)*n)/5040
Bob Hanlon
---- angela <mpopyft at lycos.com> wrote:
> Binomial[n,4] yields
> 1/24 (-3+n) (-2+n) (-1+n) n
>
> Binomial[n,5] yields
> 1/120 (-4+n) (-3+n) (-2+n) (-1+n) n
>
> Binomial[n,6] yields
> Binomial[n,6]
>
> Binomial[n,7] yields
> Binomial[n,7]
>
> Is some setting doing this.
>
> Thanks;
> Angela
>