Paradoxica
-insert title here-
Re: MX2 2016 Integration Marathon
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This has no nice form I am aware of.
Actually. Ignore that. That's way out of HSC.
Here's something which looks more reasonable.
^k\binom{n}{k}(n-2k)^{n+2}=\frac{2^nn(n+2)!}{6})
Yes it does. It will be some giant rational number.
We only really talk about 'closed forms' for infinite sums.
This has no nice form I am aware of.
Actually. Ignore that. That's way out of HSC.
Here's something which looks more reasonable.