Our contributor *Raymond Rogers* has sent an alternate proof for:

This expression is identical to the one found in the post Binomial Matrix (III), but here the matrices are indexed from zero instead of one.

The proof is entitled **A BINOMIAL DETERMINATE**,A VERY SHORT PLAY IN THREE ACTS, and it is based on Vandermonde’s identity.

Thank you Raymond.

**Archives:**

[a]-120510-Binomial-Play-R.Rogers.pdf

**Links:**

[1]-Raymond Rogers, Lamm´s Equation, Confluent Hypergeometric Equations- Lamm´s Equation Blogspot