Can anyone prove the below given identity?

I am giving it a try I also want someone else to verify!

Suppose that k and n are integers with 1<k<=n. Prove the hexagon identity

which relates terms in Pascal's triangle that form a hexagon.

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- May 31st 2008, 11:18 AMrobocop_911hexagon identity
Can anyone prove the below given identity?

I am giving it a try I also want someone else to verify!

Suppose that k and n are integers with 1<k<=n. Prove the hexagon identity

which relates terms in Pascal's triangle that form a hexagon.

- May 31st 2008, 11:27 AMtopsquark
- May 31st 2008, 11:35 AMrobocop_911
- May 31st 2008, 11:41 AMtopsquark